Perimeter Grid is a weblog about information security, and maintaining security and privacy in a world that is increasingly connected.
Subject matter varies from general commentary about current events and issues in security to specific technical details about exploits and how to defend against them.
Last Wednesday, 9/10, United Airlines saw its stock drop by over 75% in fifteen minutes, over a mistaken news story that came across the Bloomberg business wire announcing that it had filed for bankruptcy. How this happened has interesting implications for security.
Back on December 10th, 2002, United Airlines really did file for bankruptcy. It was [...]
Having finished up with the BlackHat briefings, it was time to go on to DefCon. While many of the speakers from BlackHat stay on for DefCon, there’s also a lot of DefCon-only presentations, usually with a more attack-oriented focus (in keeping with DefCon’s nature as a hacker convention rather than a security conference like BlackHat.)
The [...]
The second day of BlackHat 2008 began with a keynote speech by Rod Beckstrom, the director of NCSC (the National Cyber Security Center.) Most of this consisted of painfully strained Civil War analogies and the overuse of the word “Cyber” to describe absolutely everything. He made some good points — specifically, that in [...]
Today was the first day of this year’s BlackHat Briefings in Las Vegas. The biggest security conference of the year, it’s always an interesting place to be and often involves the release of new and previously unknown exploits.
The keynote speaker was Ian Angell, of the London School of Economics, who was speaking, ostensibly, about [...]
So, Dan Kaminsky’s DNS exploit I previously mentioned has been revealed. It turns out that what Kaminsky found was pretty much what I speculated — he just had it put together into a coherent attack, and fully recognized the implications.
If I want to poison your DNS server, say, to redirect www.yourbank.com to my malicious [...]
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