DDoS

Agressive Anti-Spam Measures that Cause More Harm than Good

This post had a personal info. I have removed it as I think it is irrelevant to the point I’m trying to make. Let’s just call him “Rick”. A user on a domain I maintain forwarded me an email from Rick explaining why his anti-spam swallowed the email, I replied with a set of challenges to his anti-spam’s filter effectiveness, as well as question the validity of the reasons behind it. Let’s be charitable and just say he did not seem to be open to discuss the matter.

Personal manners aside, this does bring up the greater question of arbitrary spam filters (arguably the worst ill effect spam had on the Internet) and standards conformance.

ISOI 3 is on, and Washington DC is hot

following up on that strange title, isoi 3 (internet security operations and intelligence), a workshop for do-ers who work on the security of the internet and its users, is happening monday and tuesday in washington, dc.

this time around we have even more government participation (we’re in dc, duh), but a bit less from academia (who can try and look at long term solutions), rather than just us security researchers, and operators (who respond, contain and mitigate incidents).

i am very pleased with our progress on encouraging global cooperation, and getting more industry information sharing going. i am also happy we are moving from “just” good-will based relationships to the physical world with our efforts, being able to take things to the next level with world-wide operational task forces and, indeed, affecting change.

if you are interested in this realm of internet security operations, take a look at isoi 3’s schedule, and perhaps submit something for the next workshop.

some reporters are somewhat annoyed that entrance is barred to them, but i hope they’d understand that although we make things public whenever we can as full disclosure is a strong weapon in the fight against cyber crime, folks can not share as openly when they have to be on their toes all the time.

the third isoi is here because after dhs ended up unable to host it, sponsors emerged who were happy to assist:

afilias ltd.: http://www.afilias.info/
icann: http://www.icann.org/
the internet society: http://www.isoc.org/
shinkuro, inc.: http://www.shinkuro.com/

it’s going to be an interesting next week here at the swamp. atendees better show up with their two forms of id. :)

gadi evron,
ge@beyondsecurity.com.

MS Patch Tuesday and Skype outage – why things didn’t match

In the situation when Skype’s explanation written on 20th Aug, Microsoft’s response written on Monday too and Skype’s clarification written today, 21th Aug exist it’s time to share word with a short summary:

Why the security community reacted like it reacted?

1. Microsoft has released monthly security updates since January 2004
2. There was three critical MS patches in July, and four critical in June
3. Only four August critical patches included a mandatory reboot
4. Critical patch (MS07-044) for code execution issue in Excel needs no reboot
5. Critical patch (MS07-050) for VML needs reboot only if files in use
6. SecurityLab.ru released public Skype Network Remote DoS Exploit on 17th Aug
7. There was new Skype for Windows version 3.5.0.214 out on 17th Aug
8. A lot of home users go to Microsoft Update on Tuesday, not on Thursday…

Do we need more reasons? No. Boys and girls at Skype, please share information that you are aware of public PoC, what the new bugfix release fixes etc.

But the good news: Villu Arak of Skype states that their “bug has been squashed.” And

The parameters of the P2P network have been tuned to be smarter…

Fine, because there are Black Tuesday patches in the future too! 😉