In addition to 56 million payment cards being compromised in the Home Depot data breach, approximately 53 million e-mail addresses also were stolen, the retailer reported in an investigation update on Nov. 6.
The developers of the Backoff point-of-sale malware that's infected more than 1,000 U.S. businesses have continued to refine their attack code, including encrypting communications and making the malware tougher to spot or eradicate, researchers say.
Apple iOS and Mac OS X devices are susceptible to WireLurker, a previously unseen malware family that spreads via a third-party Chinese app store, and which can infect even non-jailbroken iOS devices, Palo Alto Networks warns.
The Dutch government this week upheld a 2012 U.S. extradition request for Vladimir Drinkman, who's accused of masterminding the "Shadowcrew" team that hacked Nasdaq, 7-Eleven and others, stealing 160 million cards and causing $300 million in damages.
Sen. Ron Johnson, R-Wis., the presumptive chairman of the Senate committee with government IT security oversight, hasn't immersed himself heavily in cybersecurity issues during his 4-year Senate tenure.
Nearly three years after his indictment, the alleged kingpin of an Estonian gang that infected 4 million PCs in more than 100 countries with malware, generating an estimated $14 million in fraudulent online ad revenue, has been extradited to the U.S.
The new director of Britain's eavesdropping agency, GCHQ, has blasted U.S. technology firms, arguing that - intentionally or not - they're "the command-and-control networks of choice for terrorists and criminals."
JPMorgan Chase in September confirmed that it was the victim of a cyber-attack that compromised customer information. This infographic provides an overview of what we know so far and what questions remain unanswered.
The National Institute of Standards and Technology has released a draft of guidance aimed at helping government agencies and businesses establish, participate in and maintain cyberthreat information sharing relationships.
The debate between leading retail and banking associations over accountability for card fraud has heated up in recent weeks. One retail group now says claims about merchant security and fraud liability have been misstated.
The breach of an unclassified White House IT network unveiled last week is disturbing, although not surprising. But the way the Obama administration is informing Congress - and the public - about the cyber-attack is equally unsettling.
A Danish court convicted the co-founder of the notorious file-sharing website, The Pirate Bay, of computer hacking and sentenced him to serve three-and-a-half years in prison. The case had nothing to do with file-sharing.