Helpfully, BusinessWeek just published Under Cyberthreat: Defense Contractors this week. The article begins like this:
Northrop Grumman's info security chief addresses the "well-resourced, highly sophisticated" attacks against makers of high-tech weaponry...
The defense industry faces "a near-existential threat from state-sponsored foreign intelligence services" that target sensitive IP, according to a report by the Internet Security Alliance, a nonprofit organization on whose board McKnight sits...
[BusinessWeek asked:] Are defense contractors being singled out in highly targeted attacks?
[McKnight responded:] It's gotten to a point where it has a name for itself: the APT or "advanced persistent threat," meaning that they are well resourced, highly sophisticated, clearly targeting companies or information, and they're not giving up in that mission.
Incidentally, McKnight practices NSM:
[BusinessWeek asked:] What kind of tools do you use to keep your network secure?
[McKnight responded:] We've focused a lot on... capabilities where you're capturing all traffic, not just bits and pieces of it.
Security company Mandiant devotes an entire site to APT, saying:
The Advanced Persistent Threat (APT) is a sophisticated and organized cyber attack to access and steal information from compromised computers.
The intruders responsible for the APT attacks target the Defense Industrial Base (DIB), financial industry, manufacturing industry, and research industry.
The attacks used by the APT intruders are not very different from any other intruder. The main differentiator is the APT intruder’s perseverance and resources. They have malicious code (malware) that circumvents common safeguards such as anti-virus and they tend to generate more activity than wanton “drive by hacks” on the Internet.
The intruders also escalate their tools and techniques as a victim firm’s capability to respond improves. Therefore, the APT attacks present different challenges than addressing common computer security breaches.
Combating the APT is a protracted event, requiring a sustained effort to rid your networks of the threat.
I briefly mentioned APT in my post last year Thoughts on 2008 SANS Forensics and IR Summit.
Aside from Northrup Grumman, Mandiant, and a few vendors (like NetWitness, one of the full capture vendors out there) mentioning APT, there's not much else available. A Google search for "advanced persistent threat" -netwitness -mandiant -Northrop yields 34 results (prior to this blog post).
APT is one of those subjects that is very important but not well understood outside the defense industry. Your best bet for a public introduction to APT is to watch for the next Webinar offered by Mandiant. Ask them to do another soon; I listened to their Webinar in May and realized many participants had never heard of APT before. If you're not down with APT, you need to be.
Richard Bejtlich is teaching new classes in Las Vegas in 2009. Late Las Vegas registration ends 22 July.
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