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CSO - Email security vendors have failed to do enough to protect customers against advanced cyberattacks like the one recently linked to the Chinese military, experts say.
Vendors have needlessly left customers exposed to spear phishing, which is the most effective way hackers have of penetrating corporate networks. The technique involves scouring the Web for information related to the target in order to craft an email most likely to trick the person into clicking an attachment or visiting a malicious website.
"The players that have had email and Web security solutions have failed at their job," Rick Holland, an analyst at Forrester Research, said on Wednesday.
The result has been successful spear phishing-based cyberattacks like the one recently uncovered by Mandiant. The security vendor this week released a 60-page report that traced an advanced cyberespionage operation to a Chinese military unit.
Researchers at the Georgia Institute of Technology are working on analytics that they hope will one day be able to spot bogus email and warn recipients. Before starting the project, research scientist Andrew Howard investigated the market last year and found only one vendor that he believed had reliable analytics.
"The technologies available out there to help with this problem are severely inadequate," Howard said.
Georgia Tech researchers are looking at the possibility of developing algorithms that could look at the content of the email to determine whether it contains information readily available from public sources. The technology could also compare the email with the messages the recipient normally gets to look for abnormalities. In addition, if the email was sent to multiple individuals, that could be another sign of spear phishing.
The research is at an early stage, so there's been no decision whether the technology would be open source or commercialized. "At a minimum, they'll be some good papers written," Howard said.
The failure of companies such as Symantec, Cisco, McAfee and Proofpoint to adequately address spear phishing has opened the door to companies like FireEye and Damballa, which have products to fill the gap, Holland said.
However, the problem is this requires a Symantec customer, for example, to add technology that should already be in the vendor's product. "Instead of having one solution that's able to address this problem, I now have to buy another point product to cover up what my existing technology has been failing at," Holland said.
The email security vendors are starting to play catchup, due to the success of FireEye and Damballa, Holland said. For example, Proofpoint released last spring analytics aimed at catching advanced malware used in spear phishing attacks.
Not everyone is sold on the need for expensive analytics. Many companies could improve security dramatically by strictly limiting, or removing, applications known to contain many vulnerabilities exploited by hackers, such as Java and Adobe Flash, said Al Pascual, an analyst at Javelin Strategy & Research.