Risk analysis, traffic analysis, and unusual factors

Canadian terrorists strike again: apparently we are responsible for taking down a major piece of transportation infrastructure, vis, the I-5 bridge over the Skagit river at Mount Vernon.

A friend in Seattle assures me that, while he is disappointed in us, he holds no grudges, and is willing to warn us if he hears of any drone strikes planned for north of the border.

(Allow me, for a moment, to examine this “oversized load” on which everyone is blaming the collapse.  Image 2 in the slide deck [if they don't change it] is this “oversized load.”  You will notice that it is basically an empty box with the two sides missing, and has, relatively, zero structural rigidity.  If a ding from that kind of load brought the bridge down [and didn't even collase the load itself], the bridge was definitely unsafe.)

I drive that route regularly, and, when I heard that a bridge had gone down, that bridge was the first one I thought of.  I have always felt unsafe crossing it.  There is a wrongness about it you can just feel.

It’s also ugly.  And I am reminded of an essay by an engineer who said that bridges were the most beautiful products of all forms of engineering.  A properly designed bridge has curves, and those curves just feel right.  They are beautiful.

So, if you ever have questions about a bridge, and you don’t have enough facts to go on, just look at it.

If it’s ugly, don’t cross it.

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REVIEW: “Cloud Crash”, Phil Edwards

BKCLDCRS.RVW   20101009

“Cloud Crash”, Phil Edwards, 2011, 978-1466408425, U$9.99
%A   Phil Edwards PhilEdwardsInc.com philipjedwards@gmail.com
%C   Seattle, WA
%D   2011
%G   978-1466408425 1466408421
%I   CreateSpace Independent Publishing Platform/Amazon
%O   U$9.99
%O  http://www.amazon.com/exec/obidos/ASIN/1466408421/robsladesinterne
http://www.amazon.co.uk/exec/obidos/ASIN/1466408421/robsladesinte-21
%O   http://www.amazon.ca/exec/obidos/ASIN/1466408421/robsladesin03-20
%O   Audience n Tech 2 Writing 1 (see revfaq.htm for explanation)
%P   386 p.
%T   “Cloud Crash”

To a background of the Internet crashing, and opposed by a conspiracy that has penetrated the highest levels of government, two (no, make that three … err … four … better say five …) groups of individuals race to save the world from … a stock market fraud?  hostile takeover? aliens?  (No, I’m pretty sure the aliens were a red
herring.)

The story and inconsistent characterizations could use some work, and the plot twists don’t make it very easy to follow what is going on.  It’s fairly easy to tell who the good and bad guys are: the politics and philosophy of the book are fairly simple, and one is reminded of the scifi and comics of the 30s and 40s, with heavily anti-fascist and (ironically) right-wing rhetoric.

It would be tempting to dismiss the work as a simple “jump on the latest buzzword” potboiler, were it not for the fact that the technology is fairly realistic.  Yes, right now everyone is jumping on the cloud bandwagon without much regard for real security.  Yes, if you wanted to make a big (and public) splash on the Internet, without doing too much permanent damage, taking down power supplies would still leave the data intact.  (Of course, an axe would do just as good a job as bombs …)

So, while the story isn’t great, at least the technology is less annoying than is normally the case …

copyright, Robert M. Slade   2012     BKCLDCRS.RVW   20101009

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REVIEW: “Security and Privacy for Microsoft Office 2010 Users”, Mitch Tulloch

BKSCPRO2.RVW   20121122

“Security and Privacy for Microsoft Office 2010 Users”, Mitch Tulloch,
2012, 0735668833, U$9.99
%A   Mitch Tulloch info@mtit.com www.mtit.com
%C   1 Microsoft Way, Redmond, WA   98052-6399
%D   2012
%G   0735668833
%I   Microsoft Press
%O   U$9.99 800-MSPRESS fax: 206-936-7329 mspinput@microsoft.com
%O  http://www.amazon.com/exec/obidos/ASIN/0735668833/robsladesinterne
http://www.amazon.co.uk/exec/obidos/ASIN/0735668833/robsladesinte-21
%O   http://www.amazon.ca/exec/obidos/ASIN/0735668833/robsladesin03-20
%O   Audience n- Tech 1 Writing 1 (see revfaq.htm for explanation)
%P   100 p.
%T   “Security and Privacy for Microsoft Office 2010 Users”

Reducing the complex jargon in the introduction to its simplest terms, this book is intended to allow anyone who uses the Microsoft Office 2010 suite, or the online Office 365, to effectively employ the security functions built into the software.  Chapter one purports to present the “why” of security, but does a very poor job of it.  Company policy is presented as a kind of threat to the employee, and this does nothing to ameliorate the all-too-common perception that security is there simply to make life easier for the IT department, while it makes work harder for everyone else.

Chapter two examines the first security function, called “Protected View.”  The text addresses issues of whether or not you can trust a document created by someone else, and mentions trusted locations.  (Trusted locations seem simply to be defined as a specified directory on your hard drive, and the text does not discuss whether merely moving an unknown document into this directory will magically render it trustworthy.  Also, the reader is told how to set a trusted location, but not an area for designating untrusted files.)  Supposedly “Protected View” will automatically restrict access to, and danger from, documents you receive from unknown sources.  Unfortunately, having used Microsoft Office 2010 for a couple of years, and having received, in that time, hundreds of documents via email and from Web sources, I’ve never yet seen “Protected View,” so I’m not sure how far I can trust what the author is telling me.  (In addition, Tulloch’s discussion of viruses had numerous errors: Concept came along five years before Melissa, and some of the functions he attributes to Melissa are, in fact, from the CHRISTMA exec over a decade earlier.)

Preparation of policy is promised in chapter three, but this isn’t what most managers or security professionals would think of as policy: it is just the provision of a function for change detection or digital signatures.  It also becomes obvious, at this point, that Microsoft Office 2010 and Office 365 can have significantly different operations.  The material is quite confusing with references to a great many programs which are not part of the two (2010 and 365) MS Office suites.

Chapter four notes the possibility of encryption with a password, but the discussion of rights is unclear, and a number of steps are missing.

An appendix lists pointers to a number of references at Microsoft’s Website.

The utility of this work is compromised by the fact that it provides instructions for functions, but doesn’t really explain how, and in what situations, the functions can assist and protect the user.  Any employee using Microsoft Office will be able to access the operations, but without understanding the concepts they won’t be able to take advantage of what protection they offer.

copyright, Robert M. Slade   2012     BKSCPRO2.RVW   20121122

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Fake security can hurt you …

“Fraudster James McCormick has been jailed for 10 years for selling fake bomb detectors. … One invoice showed sales of £38m over three years to Iraq, the judge said.”

http://www.bbc.co.uk/news/uk-22380368

Closer to our technical field, we know about the pure fraud of fake AV, of course.  And there are plenty of companies out there selling shoddy products.  But there are also the “consultants” out there doing desultory work, and spending more time on building a client base than doing any research or analysis.  (I recently ran into a monitoring and surveillance “expert” who had no idea about the problems with IP-connected video cameras.)  Some of them even hold CISSP certificates.

This is basically the whole reason behind the certificate: to have a standard that allows people to expect a minimal level of competence.  It’s not perfect, never will be, and there are other attempts (so far seemingly even less successful) at doing the same thing.  We need to assist the process, where we can, even if we don’t feel like pushing the ISC2 “brand.”

Do what you can to help.  Even if it is just pointing out fixable errors.

(When was the last time you submitted a question to the exam committee?)

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Why BC holds the record for “World’s Weirdest Politicians”

Whenever political pundits get together, they all start the competition for “our politicians are more corrupt/venal/just plain weird than yours.”  Whenever anyone from BC enters the fray, everyone else concedes.

Herewith our latest saga.

The ruling “Today’s BC Liberal Party” is finding itself polling behind the NDP.  (Do not let the word “liberal” in the party name fool you.  Whereas pretty much every other liberal party would be centre-left, the BC Liberals are, politically, somewhat to the right of Attila the Hun.)  The liberals are runing attack ads stating that, twelve years ago, the leader of the NDP backdated a memo.

(No, I’m not making this up.)

The Liberals have just released another version of the same attack ad, this time using a snippet of footage from the recent leaders debate.  Trouble is, the media consortium that ran the debate has copyright on the video of the debate, and all parties agreed that none of the material would be used for political purposes.

The Liberals, called on their use of the video, have refused to take it down.

(How old do you have to be to understand the meaning of “copyright infringement?”)

(I am eagerly awaiting the next installment of this story.  I assume the lawyers paid for by Today’s BC Liberals [or possibly by public money: that's happened before] will argue the provisions of “fair use,” and claim that the attack ads are commentary, or even educational …)

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REVIEW: “World War Hack”, Ethan Bull/Tsubasa Yozora

BKWWHACK.RVW   20121009

“World War Hack”, Ethan Bull/Tsubasa Yozora, 2012, 978-0-9833670-8-6
%A   Ethan Bull
%A   Tsubasa Yozora
%C   9400 N. MacArthur Blvd., Suite 124-215, Irving, TX   75063
%D   2012
%E   Gwendolyn Borgen
%G   978-0-9833670-8-6 0-9833670-8-6
%I   Viper Entertainment Inc./Viper Comics
%O   U$7.95 wyatt@worldwarhack.com www.worldwarhack.com
%O  http://www.amazon.com/exec/obidos/ASIN/0983367086/robsladesinterne
http://www.amazon.co.uk/exec/obidos/ASIN/0983367086/robsladesinte-21
%O   http://www.amazon.ca/exec/obidos/ASIN/0983367086/robsladesin03-20
%O   Audience n- Tech 1 Writing 1 (see revfaq.htm for explanation)
%P   72 p.
%T   “World War Hack”

Someone (eventually we find out they are backed by the Chinese) has hacked into the United States military and government control systems.  Fortunately, despite being in complete control and untraceable, all they seem to want to do is make one military drone act up.

The US government immediately swings into action, and sponsors a hacking contest, to try and identify suitably talented young geniuses (genii?) to find out what is going on.

It’s hard to follow what is going on, since the artwork makes it difficult to differentiate between characters.  There are young people with bad haircuts, and there are other people with suits.  Some people are female.  After that, it gets hard to tell who’s who.  One of the hackers is a government agent, another one has a criminal record but seems to be a son of a suited government agent.

Some of the technical and hacking activity is somewhat realistic, but other aspects are bizarre, and betray a complete lack of understanding of basic technology.  For example, at different times a programming language gets “hacked” (in the sense of breaking into it), and at another time a government administrator can’t tell what computer language has been used to write a specific program.  In the real world of programming and hacking neither of these scenarios makes any sense.  Absent Ken Thompson’s famous speech nobody “hacks” a language, and generally nobody cares what language has been used to write a utility once it is operating.  (By the way, no programmer ever said LISP was a concise language, and there is no way that even a “skin” on top of LISP would look like C.)  At another point two devices “piggyback” on the same IP address, which simply does not work in networking terms.

There are aspects of this story that are realistic.  One is that, if you are not careful with your systems, someone can penetrate them and mess with you.  If there are any other useful factors in this story, I can’t think of them offhand.

(As usual, the draft of this review was submitted to the author/publisher for comment prior to publication.  I often get rude email in response, sometimes threats of physical harm, and once even a death threat.  [Yes, really.]  In this case the publisher has threatened unspecified legal action “to protect the copyright on our work.”  I would be interested to see the publisher’s reaction to counsel explaining the “commentary” aspect of the concept of “fair use.”)

copyright, Robert M. Slade   2012     BKWWHACK.RVW   20121009

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Password reset questions

Recently therewas some discussion about “self-service” password resets.  The standard option, of course, is to have some sort of “secret question” that the true account holder should be able to answer.  You know: super-secret stuff like your pet’s name.  (Yes, Paris Hilton, I’m talking about you.)

The discussion was more detailed, turning to policy and options, and asked whether you should turn off “custom” questions, and stick to a list of prepared questions.

I would definitely allow custom questions.  The standard lists never seem to give me options that I can both a) remember, and b) that wouldn’t be immediately obvious to anyone who was able to find out some minimal information about me.

If I can make up my own question, I can ask myself what my favourite burial option would be.  The answer, “encryption,” is something I will remember to my dying day, and nobody else is ever going to guess.  (Well, those who have read the “Dictionary of Information Security” might guess that one, so I guess I won’t actually use it.)

Go ahead: try and guess what is the only pain reliever that works for me.

What sits under my desk and keeps the computers running in the case of a power failure?

What is Gloria’s favourite ice cream flavour?

Finish the following sentence: Don’t treat Rob as your _______ ___.  (This is a two-factor authentication: you also have to fill in the standard response to that statement.)

The thing is, all of these oddball questions have special meaning for Gloria and I, but for very few other people in the world.  They rely on mistakes or quirks that have become “family phrases.”  For example, what do you need before bed to get to sleep?  Answer: “warum melek,” coming from an elderly lady of our acquaintance from a northern European background.

Yeah, I like “custom questions” a lot.

(OK, yes, you do have to do a bit of security awareness training to indicate that “who is my sweetie poo” may not be as secret as some people seem to think …)

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“New” ideas about distributed computing?

The CEO of BitTorrent thinks we should think about using distributed computing to deal with upgrade issues over the Internet.

It sounds like a good idea.  So good, that you wonder why someone hasn’t thought of it before.  Well, surprise, surprise (unless you know Slade’s Law of Computer History), someone has.  How about Shoch and Hupp, who worked on the idea at Xerox PARC in the late 70s, and reported on it in 1980 and 1982?  Or Fred Cohen, who was quite vocal about using “good” viruses in the late 80s, and mentioned it in one of his earlier popular books?  Or Vesselin Bontchev, who, in the 90s, gave a detailed outline of what you have to do to make it work

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Western society is WEIRD [1]

(We have the OT indicator to say that something is off topic.  This isn’t, because ethics and sociology is part of our profession, but it is a fairly narrow area of interest for most.  We don’t have a subject-line indicator for that  :-)

This article, and the associated paper, are extremely interesting in many respects.  The challenge to whole fields of social factors (which are vital to proper management of security) has to be addressed.  We are undoubtedly designing systems based on a fundamentally flawed understanding of the one constant factor in our systems: people.

(I suppose that, as long as the only people we interact with are WEIRD [1] westerners, we are OK.  Maybe this is why we are flipping out at the thought of China?)

(I was particularly interested in the effects of culture on actual physical perception, which we have been taught is hard wired.)

[1] – WEIRD, in the context of the paper, stands for Western, Educated, Industrialized, Rich, and Democratic societies

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Read this book. If you have anything to do with security, read this book.

I have been reviewing security books for over twenty years now.  When I think of how few are really worthwhile that gets depressing.

However, Ross Anderson is always worth reading.  And when Ross Anderson first published “Security Engineering” I was delighted to be able to tell everyone that it was a worthwhile read.  If you are, in any way, interested in, or working in, the field of security, there is something there for you.  Probably an awful lot.

When Ross Anderson made the first edition available online, for free, and then published the second edition, I was delighted to be able to tell everyone that they should buy the second edition, but, if they didn’t trust me, they should read the first edition free, and then buy the second edition because it was even better.

Now Ross has made the second edition available, online, for free.

Everyone should read it, if they haven’t already done so.

(I am eagerly awaiting the third edition  :-)

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REVIEW: Identity Theft Manual: Practical Tips, Legal Hints, and Other Secrets Revealed, Jack Nuern

BKIDTHMA.RVW   20120831

“Identity Theft Manual: Practical Tips, Legal Hints, and Other Secrets Revealed”, Jack Nuern, 2012
%A   Jack Nuern http://www.idtheftadvocates.com
%C   4901 W. 136 St., Leawood, KS, USA   66224
%D   2012
%G   ASIN: B0088IG92E
%I   Roadmap Productions
%O   fax 866-594-2771
%O  http://www.amazon.com/exec/obidos/ASIN/B0088IG92E/robsladesinterne
http://www.amazon.co.uk/exec/obidos/ASIN/B0088IG92E/robsladesinte-21
%O   http://www.amazon.ca/exec/obidos/ASIN/B0088IG92E/robsladesin03-20
%O   Audience n- Tech 1 Writing 1 (see revfaq.htm for explanation)
%P   128 p.
%T   “Identity Theft Manual: Practical Tips, Legal Hints, and Other Secrets Revealed”

Despite the implications of the title, this is not a primer for performing identity theft, but a guide to preventing and recovering from it.  The information, unfortunately, is fairly pedestrian, and most of it could be obtained from any magazine article on the topic.

Chapter one is a (very) basic introduction to identity theft, with a rather odd emphasis on the use of medical information.  Methods of identity theft are described in chapter two.  Unfortunately, this is where the book starts to show signs of serious disorganization, and some of the material is more sensational than helpful.  Chapter three lists some steps you can take to attempt to prevent identity theft.  The suggestions are the usual standards of not giving out any information to anyone, and the book tacitly admits that protection is not assured.

Chapter four gets to the real intent of the work: actions to take when your identity has been stolen and misused.  There is a great deal of useful content at this point, limited by two factors.  One is that everything discussed is restricted to institutions in the United States.  The other is that there is almost no discussion of what the entities mentioned can do for you or what they can’t or won’t.

As one could expect from a book written by a law firm, chapter five addresses the liability that the victim of identity theft faces.  The answer, unsurprisingly, is “it depends,” backed up with a few stories.  (Pardon me: “case studies.”)

There are some appendices (called, predictably, “Exhibits”).  Again, most of these will only be of use to those in the United States, and some, sections of related laws, will be of very little use to most.  There is a victim complaint and affidavit form which would probably be very helpful to most identity theft victims, reminding them of information to be collected and presented to firms and authorities.

The book is not particularly well written, and could certainly use some better structure and organization.  However, within its limits, it can be of use to those who are in the situation, and who frequently have nowhere to turn.  As the book notes, authorities are often unhelpful and take limited interest in identity theft cases.   And, as the book also (frequently) notes, the book is cheaper than hiring a law firm.

copyright, Robert M. Slade   2012     BKIDTHMA.RVW   20120831

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Memory lane …

I ordered a new computer before Christmas, and there have been delays getting it.  Today the shop called and said that the one I ordered (with 4 Gigs of RAM) was still short, but they did have one with 6 Gigs, if I was willing to pay an extra ten bucks.  So I said fine.

Got off the phone and told Gloria about it.  She asked “How many Commodores is that?” since I still have a Commodore 64 in the “computer museum” trunk.

32,000.  Give or take a few for rounding purposes.  For ten bucks, the equivalent memory of 32,000 Commodore 64 computers.

We work in a bizarre field.

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Online forum rule haikus

On the CISSPforum we were discussing precepts for getting along and keeping the discussions meaningful.  Somebody started listing rules, so I started casting them as haikus.  That prompted a few more.

I wondered if these were only for that group, but then realized most of them were applicable to online discussions of whatever type.  So, herewith:

 

Create your own space
Meaningful content only
Comes to those who post.

Silence calls silence
Lurkers don’t disturb quiet
Sleep beckons as well.

The posts are boring?
Raise topic of interest
Thread starter lauded.

Forum like sewer:
What you get out of forum
Depends on input.

Being creative
Is much better than being
Tagged as complainer.

These are your colleagues.
Why are you so much  better
That they must start first?

The forum that is
Is not what must always be.
Build a better world.

Friday is not for
Building new realities.
Your colleagues would sleep.

 

Then some other chimed in:

I remember trust
It disappeared so quickly
I guess we were fools

Pointing to resource
Always appreciated
Who can search the whole?

Putting platitudes
into pleasing haiku
removes sting of truth

Now you’re getting it.
Format is everything.  (Well,
And maybe context  :-)

friday gratitude
is here at last for resting
ignoring infosec

Friday at last! Time for
Bottles of overpriced wine.
Why’m I still at work???

Request not correct.
Reformat for this thread.
Please resubmit now.

UNSUBSCRPTION post
Jangles cosmic harmonies
Til balance achieved.

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Secure Awareness mottoes and one-liners

From various forums, mailing lists, discussions and other sources (many of which exist only in my febrile imagination), herewith a bit of a compilation of mottoes that can be used as part of a security awareness campaign:

No-one in Africa wants to GIVE anyone their money or gold.

Microsoft/Google/a Russian oil magnate/VW/BMW/etc certainly does not want to GIVE anyone money/a car/etc.

A stunning Russian blonde DOES NOT want to marry you.

If it sounds too good to be true, IT IS.

A web site, Email message, IM or tweet that tells you you need to install security software IS LYING.

Just because it’s in a Google search result or an “ad by Google” does NOT mean it is safe.

If the options seem to be “Click OK/Run/Install” or “turn off the computer”, TURN OFF THE COMPUTER.

Did your friend really send you that message?

Is your friend really as smart about computer security as you think?
A. No    B. Not at all    C. Well and truly not    D. All the above

You didn’t win the Irish lottery.

Your bank doesn’t want you to change your password.

Don’t be Phish Phood.

Pwnly Phools Phall for Phishing.

Think, THINK every click.

Need extra money?  Want to work from home?  Getting a job from a spammer is NOT A GOOD IDEA!!!

When did you last make a backup?  Do you want to do [period of time] worth of work all over again?

Report the suspicious, not the strange.

If the bank thinks your online account has been hacked, they won’t warn you by email.

Being sociable doesn’t mean being totally open. Be careful what you disclose via social media.

If someone wants/offers to make something really easy for you, there is a way that can be used against you.

Hide your ‘cheese’ (get a router).

A patch a day keeps hackers away (keep your OS and apps up to date).

Always wear a helmet (install a firewall/antivirus package).

The great unknown ain’t so great (only use software you can trust).

Use sunscreen to prevent burns (lock down your OS and apps).

Make 007 jealous (learn to use additional security tools).

“Password” is not a password (use strong passwords).

Keep your skeletons in the closet (protect your personal data).

Don’t be a dork (be smart when you’re on-line).

Keep your dukes up (stay informed and vigilant).

Infosec is like a sewer: what you get out of it, depends on what you put into it.

 

Some are recently from the #InfosecMotherlyAdvice tag on Twitter:

Don’t click … it’ll get infected.

Don’t take cookies from strangers.

Idle systems are a botnet’s playground.

A backup in hand is worth two in the cloud.

While you’re connected to my network you’ll live by my firewall rule.

A backup a day keeps data loss away.

We’d better get you a bigger firewall – you’ll grow into it.

Close the security holes, you’re letting all our sensitive data out.

If your system gets compromised and crashes, don’t come emailing to me.

Always encrypt your data. you never know when you’ll have an accident.

If everybody else clicked on links in emails, would you do that too?

Either you’re inside the firewall, or outside the firewall! Don’t leave it open!

Install your patches if you want your security to grow up big and strong.

Don’t put that in your browser, you don’t know where it’s been.

Someday your bluescreen will freeze like that!

It’s all fun and games until someone loses sensitive data.

Only you can prevent Internet meltdowns.

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Official (ISC)2 Guide to the CISSP CBK

Recently, on the CISSPforum, there was some discussion of the new, third edition of the Official (ISC)2 Guide to the CISSP CBK (which, I note, is pretending to be available as an ebook for only ten bucks).  At the end of one post, one of the correspondents stated that he was “leaning towards buying the new book.”

First, lemme say that, for those who haven’t yet got the cert, I do recommend the “Official Guide” as my first choice.  (Harris is easier to read, but does contain *lots* of errors, and I tell my seminar candidates that I refuse to answer any question that starts out “Shon Harris says …”   :-)

However, on the other hand … why would anyone who has the cert buy the guide?  Of course, I am speaking from the perspective of someone who does read the source literature (and I am aware that all too many of my colleagues do not).

I also recall at least two seminar attendees who actually did have the cert.  Furthermore, they were consultants, and thus going on their own dime for the course.  The reason given was the same: they charged by the hour, so any time spent upgrading was time they could not charge.  Therefore, regularly attending the seminar was the fastest, and therefore, in their situation cheapest, way to ensure they were current.

So, yes, I can see that some people would want to get the guide as a quick check.  (In that regard, I would tend to recommend ISMH instead of the guide, but …)  But I still find it kind of odd …

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Comparison Review: AVAST! antiviral

PCAVAST7.RVW   20120727
Comparison Review

Company and product:

Company: ALWIL Software
Address: Trianon Office Bldg, Budejovicka 1518/13a, 140 00, Prague 4
Phone:   00 420 274 005 777
Fax:     00 420 274 005 888
Sales:   +42-2-782-25-47
Contact: Kristyna Maz nkov /Pavel Baudis/Michal Kovacic
Email:   mazankova@avast.com baudis@asw.cz
Other:   http://www.avast.com
Product: AVAST! antiviral

Summary: Multilayered Windows package

Cost: unknown

Rating (1-4, 1 = poor, 4 = very good)
“Friendliness”
Installation      3
Ease of use       4
Help systems      1
Compatibility           3
Company
Stability         3
Support           2
Documentation           1
Hardware required       3
Performance             3
Availability            3
Local Support           1

General Description:

Multilayered scanning, activity-monitoring, and change-detection software.  Network protection including Web and email monitoring.

Comparison of features and specifications

User Friendliness

Installation

The product is available as a commercial package, but also as a free download for home or non-commerecial use.  As previously noted in other reviews, this is highly desirable not simply as a marketing and promotional effort by the company, but because making malware protection available to the general public reduces the malware threat for the entire computing and network environment.  One important
aspect is that the free version, unlike some antivirus products which reduce available functions, appears to be complete.  Scanning, disinfection, network protection, reporting, and management functions all seem to be included in the free version, making Avast a highly recommended product among free downloads.

I downloaded the free version, and installed it with no problem.  It was compatible with Windows 7, as well as previous versions.  The basic installation and configuration provides realistic protection, even for completely naive users.

Ease of use

With ten basic, and a larger number of minor, functions now included in the program, the interface is no longer very easy to figure out.  For example, one of the first things I (as a specialist) need to do is to turn off scanning of my “zoo” directory.  I initially thought this might be under the large “Maintenance” button.  No, “maintenance” is reserved for upgrading and buying additional features.  I did finally find the function I wanted under a much smaller “Settings” tab.  However, as noted, most users will not require any additional functions, and need not worry about the operation of the program.  The default settings provide decent protection, and updating of signatures, and even the basic program, is almost automatic.  (The updates for the free version do push the user to “upgrade” to the commercial version, but it is not necessary.)

I located (eventually) some great functions in the program which I found very helpful.  Admittedly, I’m a very special case, since I research malware.  But I really appreciated the fact that not only could I turn scanning off for a particular directory (my “zoo”), and that I could pull programs out of the quarantine easily, but that I could also turn off individual network protection functions, very easily.  Not only could I turn them off, but I was presented with options to stop for 10 minutes, 1 hour, until the next reboot, or permanently.  Therefore, I could turn off the protection for a quick check, and not have to remember to turn it on again for regular work and browsing.

However, I cannot commend Avast for some of the reporting and logging functions.  Late in the review period it reported an “infected” page, but refused to tell me where/what it is.  In addition, recently Avast has been blocking some of my email, and the message that an email has been blocked is the only available information.

Help systems

Help is available onscreen, but it is not easy to find.  There is no help button on the main screen: you have to choose “? Support,” and then, from a list of six items choose the last one, “Program Help.”  (The standard Windows F1 key does bring up the help function.)  Most other help is only available online via the Web, although there is a downloadable PDF manual.

Compatibility

The system scores well in malware detection ratings from independent tests.  I have been running Avast for over a year, and have not seen a false positive in a scan of the computer system.  I have observed only one false positive blockage of “known good” Websites or email, although this is of some concern since it involved the updating of another malware package under test.

Company Stability

Avast has been operating (previously as Alwil Software) for over twenty years.  The program structure is thoughtful and shows mature development.

Company Support

As noted, most is via the Web.  Unfortunately, in the recent case of a false positive the company, even though I had alerted them to the details of both the review and the warning I had noted, there was no useful response.  I received email stating that someone would review the situation and get back to me, but there was no further response.

Documentation

The documentation available for download is primarily for installation and marketing.

System Requirements

The system should run on most extent Windows machines.

Performance

The antivirus system has minimal impact on the computer system.  When performing a full scan, there are other programs that run faster, but Avast runs very well unattended.

As noted above, the free version has complete and very useful functionality.

Local Support

None provided.

Support Requirements

Basic operation and scanning should be accessible to the novice or average user.

copyright Robert M. Slade, 1995, 2012   PCAVAST7.RVW   20120727

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