Bicointalk.org was hacked on Wednesday, just hours after the FBI shut down online marketplace Silk Road. The site's administrator, who admitted that the attack was "worse than I thought", is offering 50 Bitcoins (around $6,500) to the first person to explain in detail how the attack occurred.
Japanese boffins think they might have found an imaginative way to stop malware stealing your passwords as you enter them online.
But will it really work?
The folks at "Glove and Boots" manage to make what could be a tremendously dry topic, funny and informative instead.
By popular demand, here is a video explaining how to solve the puzzle we published on our AusCERT 2012 conference T-shirt.
44 solvers from 14 countries cracked it in the time allowed - find out how they did it!
Beware automated Skype calls telling you that your PC's security is not active.
Not only are the messages unsolicited spam, but you could also be the next victim of a fake anti-virus attack.
The US Secret Service has confiscated computer equipment from a Brooklyn artist who installed webcam spyware on computers at two New York Apple stores.
Facebook users are being tricked into clicking on links which claim to be raw CNN footage of the Japanese tsunami by cold-hearted scammers - as part of a plot to earn money by driving web traffic to take online surveys.