An indispensable source of reference for anyone concerned with computer security, the Bulletin is the forum through which leading security researchers publish the latest security research and information in a bid to share knowledge with the security community. Publications cover the latest threats, new developments and techniques in the security landscape, opinions from respected members of the industry, and more. The Bulletin archives offer informative articles going back to 1989. Our editorial team is happy to hear from anyone interested in submitting a paper for publication.

Stories from the DRM world: the Settec case

Months after Sony got into trouble for using rootkit functionality in the DRM protection of audio media, the word 'rootkit' is still hitting the headlines. This time the trouble comes in the form of DVD movies containing DRM software from Settec.…

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Why is PayPal phishing ... a serious business?

It is no longer unusual to receive a PayPal phishing email, but over recent months the phenomenon has become increasingly serious as the fake emails and websites set up by those behind the scams have become harder to distinguish from the genuine…

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Solving the metamorphic puzzle

Metamorphic viruses have posed a challenge for the anti-virus industry for quite some time. This article focuses on a number of metamorphic techniques and highlights different methods for detecting them.

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Improving proactive detection of packed malware

Dynamic translation is a technique that can be used instead of emulation for decrypting complex malware. Adrian Stepan describes how the technique can also be used to perform generic unpacking.

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Changes to the VB test sets

VB's product reviewer Matt Ham describes some changes to the test sets used for VB's comparative reviews.

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How can a web filter add proactive security?

Steen Pedersen explains how the perimeter defence layer can be enhanced with the use of a web filter.

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Fighting spam with data compression models

Andrej Bratko describes a spam filtering technique that treats email as a sequence of characters, rather than a collection of words.

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View from the cheap seats

'Our jobs and our day-to-day successes and failures are still as much about people and what they do (and don't do) as they ever were.' Max Morris, independent author, USA.

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IM_a nuisance – W32.Imav.A

Two years after its emergence the Beagle family is still one of the most pervasive families of Internet worms. John Canavan takes a close look at one variant that has made the surprising switch from email to ICQ as its major infection vector.

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Proxies for the underworld: I-Worm.Locksky.AS

The Locksky email worm first appeared in October 2005. Its aim is to install proxies on victims' machines, which can then be sold. Ferenc Laszlo Nagy has the details.

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