PC %%1%%World – The U.K.’s Cyber Security Challenge began accepting registrations Monday for a series of computer security exercises designed to spur interest in the field.

PC %%1%%World – Computers in Iran have been hardest hit by a dangerous computer worm that tries to steal information from industrial control systems.

PC %%1%%World – Worms, malware, zero-day attacks — it was a worrisome week on the security front, with stories in that genre taking our top three slots.

PC %%1%%World – A feature in Apple’s Safari browser designed to make it easier to fill out forms could by abused by hackers to harvest personal information, according to a security researcher.

PC %%1%%World – The Windows attack used by a recently discovered worm is being picked up by other virus writers and will soon become much more widespread, according to security vendor Eset.