Malware

As the dust settles from one of the largest data breaches since TJX, few fresh details emerged one day after Hannaford Bros. supermarket chain revealed that intruders stole some 4.2 million credit and debit card numbers from its computer systems.

Security researchers at Symantec have uncovered a click-fraud trojan targeted to the online advertising networks of Google, Yahoo and Baidu.com, China's largest independent internet search engine.

A new wave of "3D screensaver" spam is directing recipients to a malware site from a notorious malware gang that had ceased activity in January after their site was attack by a rival group of cybercriminals, researchers at Sunbelt reported.

Spam originating from popular webmail services are spiking now that junk mailers have found ways to evade the challenge-response requirements for opening an account, a new study from email security firm MessageLabs reveals.

Security researchers from McAfee have identified a trojan that attempts to extort money from owners of Symbian-based smartphones in China.

A new virus that appears to harken back to the days when malware was written for notoriety and annoyance is actually a craftily executed social engineering scheme that seeks financial fortune for its masterminds.

Six botnets are generating about 85 percent of all spam, according to security researchers at Marshal's TRACE labs. Mega-D and Srizbi have been trading places recently at the top of the spam menace list.

A phishing email is in circulation attempting to lure recipients to fake news video purporting to come from a major Hispanic TV network and showing former Cuban President Fidel Castro lying in a coffin with Venezuelan leader Hugo Chavez in tears at his side, Websense has warned.