Twitter accounts used by CBS News were compromised on Saturday – and began serving up bogus news stories with links to malware.

A three-day “cyber war” ended in victory for a team from the U.S. Air Force Academy, who beat off attacks from hackers from the National Security AGency in the 13th annual Cyber Defense Exercise (CDX).

The Cyber Intelligence Sharing and Protection Act (CISPA) passes the U.S. House despite privacy concerns and the threat of presidential veto.

Here’s a brazen fake antivirus program that falsely declares you are infected, then locks your screen and asks you call a toll free number for Support, which then asks you to pay to remove the fake infection.

A quarter of PCs around the world have no antimalware software, according to Microsoft’s latest Security Intelligence Report.

The botnet known as Win32/Kelihos keeps on infecting, now touting a YouTube video of the Boston Marathon bombing that comes with a malicious iframe pointing to a Redkit exploit page that infects viewers.

Up to 2.4 million credit cards may have been compromised after St. Louis grocery chain Schnucks was targeted with malware, the chain revealed this week.

China and the U.S. have agreed to work together on cyber security, with the two countries setting up a working group to deal with the issue, U.S Secretary of State John Kerry said on Saturday in Beijing.

An Oregon farm products company is suing its own bank to recover losses after a phishing attack saw $223,500 transferred to accounts in the Ukraine over a period of three days in 2010.

Technology companies including Cisco and IBM are backing an Open Group programme to protect computer hardware from threats such as spyware added to components in the supply chain.