District attorneys in San Francisco and Los Angeles issued their charges in an amended complaint.

The criminals behind the GameOver ZeuS Botnet didn't just steal $100 million from banks -- they also spied on several countries on behalf of Russia, according to a Black Hat presentation Wednesday by an FBI agent and two other security experts.

Security vendors FireEye and Fox IT have launched a Web tool which allows victims of Cryptolocker Malware attacks to decrypt files without paying ransom to cybercriminals.

Uptick in attacks, bypasses of recommended workarounds will force Microsoft to fix flaw criminals already using to hijack Windows PCs.

Russian-speaking hackers earned an estimated $4.5 billion globally using various online criminal tactics and are thus responsible for 36% of the estimated total of $12.5 billion earned globally by cybercriminals in 2011, Russian security analyst firm Group-IB said in a report published on Tuesday.

Large clouds could make for a tempting target for cybercriminals, Lungren says.

Criminals recently spent more than a week siphoning e-mail messages from Hotmail users' accounts, thanks to a programming bug in Microsoft's website.

If criminals were to target unsecured wireless routers, they could create an attack that could piggyback across thousands of Wi-Fi networks in urban areas like Chicago or New York City, according to researchers at Indiana University.

A flaw in Mozilla Corp.'s Firefox browser makes it easy for cybercriminals to steal user information on Web sites where users create their own pages, such as MySpace.com.