Malware

The FBI, with the help of international partners, has broken up two criminal rings believed to be responsible for peddling scareware, federal prosecutors announced Wednesday.

Small and midsize organizations may want to take note: There is a particularly large Zeus spam campaign making the rounds.

The largest Bitcoin currency exchange market, Mt.Gox, is currently offline after suffering a cyberattack that caused the market to crash.

Criminals are targeting the digital currency Bitcoin with new malware designed to steal victims' online wallets, several security firms warned this week.

An Adobe Flash vulnerability that was fixed this week is being leveraged in widespread but targeted drive-by downloads and spear phishing attacks.

With ready-made exploit kits and classes of vulnerabilities that date back to the 1990s at their disposal, hacker groups are finding easy pickings.

Citibank, the third largest bank in the U.S., this week disclosed that hackers broke into its systems and gained access to the personal information of hundreds of thousands of customers.