Desktop Linux users have been relatively malware-free, but an RSA researcher has identified the "Hand of Thief" Trojan, which specifically targets Linux.
Malware writers are ramping up their use of commercial file hosting sites and cloud services to distribute malware programs, security researchers said at this week's Black Hat conference here.
Five men from Russia and Ukraine have been indicted in New Jersey for charges they conspired with each other in a worldwide hacking scheme targeting major corporate networks, including Nasdaq and 7-Eleven, according to the U.S. Department of Justice.
Malware writers are increasingly considering the Tor anonymity network as an option for hiding the real location of their command-and-control (C&C) servers, according to researchers from security firm ESET.
Citadel malware is installed on over 20,000 PCs in Japan and actively sending financial information it harvests to servers abroad, according to security software vendor Trend Micro.
Hackers are now using a critical vulnerability in Android to modify legitimate smartphone applications, according to Symantec, putting users at risk of being spied on.
About 1 percent of Android devices are infected with malware, according to Alcatel-Lucent's Kindsight Security Labs.
Sophos has selected its "dirty dozen" of countries that relay spam for the second quarter of 2013, and the U.S. has taken the top spot.
The malware is digitally signed and is probably used in targeted attacks, researchers from F-Secure said.
Trend Micro says it detected a targeted attack that sent malware-laden emails to representatives of 16 European countries and some Asian governments.