A new version of the Sasser worm has appeared after the arrest of a teenager suspected of writing the original - but it will not be much of a threat to users who have already patched their systems.
Yet again denial-of-service attacks, spam, viruses - driven in part by an apparent war between virus writers - and cybercrime have hit the headlines over the course of the past 12 months.
The use of e-mail continues to grow, but there are suggestions across the industry that its popularity will begin to decline quickly if measures aren't put in place to guarantee access, availability and security.
How immature is the IT security market? And what would it look like if it grew up?
Linux companies are incensed by a recently published Microsoft document that compares Windows XP Embedded to embedded Linux. The critics are calling some of the document's claims misleading or factually wrong.
The arrest of Jeffrey Lee Parson, the 18-year-old thought to be responsible for the spread of the Blaster worm, has once again sparked off the debate into how virus writers should be punished.
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