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Revolutionary AV testing guidelines planned

Group will develop new security tests for 2008

Consumers should have more accurate information with which to compare security software suites under a new set of software testing guidelines to be finalised early next year.

Last week, security vendors and software testing organisations agreed during a conference in Seoul to form the Anti-Malware Testing Working Group, which will determine how best to conduct behavioural tests of security software, said Andreas Marx, who works for AV-Test.org, a German antivirus software testing group.

Behaviou0ral tests are time-consuming but important since the style of test replicates how PCs encounter malicious software on the internet, such as through Trojan horse programs in email attachments or through browser exploits, Marx said.

Those tests are seen as superior to signature-based tests, in which the virus detection engine is run against a batch of thousands of malware samples. But signature tests do not cover other security technologies used to detect a threat, such as if a new program starts communicating with a remote server over the internet.

"A very big part of the real world is missing," Marx said. "Most products are tested against a set of outdated viruses. In most cases, most AV products will pass these tests."

The cooperation between security vendors is notable, especially in the highly competitive security software industry. Vendors Panda, F-Secure, Sunbelt Software and Symantec are participating, as are AV-Test.org and Virus Bulletin, another testing organisation based in Abingdon.

Marx has written a draft of a behavioural testing scheme. Early next year, the Anti-Malware Testing Working Group will refine those guidelines for use by groups such as AV-Test.org and Virus Bulletin. Use of the guidelines, however, will be voluntary.

Most vendors feel the new behavioural tests will more fully evaluate the different ways their products can provide protection to a PC. Security companies have often publicly argued over signature-based tests, with disputes centring on the age of the virus samples used.

Companies that fail a signature test often argue that the particular sample that caused them to fail was too old and not even commonly found on the internet. Some security vendors will remove signatures in their products for older malicious software so PCs are not burdened with large signature databases.

The Anti-Malware Testing Working Group will also provide an unbiased forum for those disputes. Today, "there is little recourse", if a vendor fails a test and has an issue with the test's parameters, said Mark Kennedy, an antivirus engineer with Symantec.

There is concern, however, that the behavioural tests may put too much a strain on testing groups, Marx said. Setting up real-world malicious software scenarios takes a lot more time, Marx said. Usually, a behavioural test is limited to around 50 current malware samples, he said.

However, testing organisations are in early discussions that could result in some cooperation in order to reduce that burden, he said.

For more security news, reviews and tutorials, see Security Advisor


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