Financial services firm E*Trade and publisher Dow Jones are separately warning their customers and subscribers that their personal information - and in some cases, payment card data - may have been compromised in a cyberattack campaign.
Three U.S. senators are demanding answers from Experian after it suffered a breach that exposed personal information for 15 million T-Mobile subscribers. They also have called for national breach notification and data security regulations.
As a result of Experian's data breach, 15 million T-Mobile subscribers are at risk from phishing attacks and fraud. But it's not clear what more T-Mobile can do to protect breach victims, says security specialist Mark James.
Discount brokerage firm Scottrade says hackers accessed its computer network and stole names and street addresses of millions of its clients. The firm says it learned of the intrusion from law enforcement officials.
Credit-rating provider Experian says a hack attack compromised a server storing sensitive personal information on millions of T-Mobile customers, including those requiring credit checks for service or device financing.
Even if China fails to live up to its promise to stop pilfering corporate trade secrets, as America's spy chief predicts, the U.S. could still benefit diplomatically from the two nations' cybersecurity agreement.
The commoditization of attack infrastructure and services in the cyber-criminal underground, and the low cost and ease of launching targeted attacks, are growing concerns that require new defense strategies, says Trend Micro's Raimund Genes.
The hotel chain bearing 2016 U.S. presidential candidate Donald Trump's name has confirmed that its point-of-sale systems were malware-infected for more than a year, but it's downplaying the possibility that card data was exfiltrated or used to commit fraud.
The severity of the U.S. Office of Personnel Management breach continues to grow, with investigators now reporting that hackers stolen 5.6 million people's fingerprint data. The theft may have security implications well into the future.
The attacks have evolved, breaches have multiplied, and serious security gaps have been exposed. But what most concerns FireEye President Kevin Mandia? The rise of nation-states as leading threat actors.
For years, information security experts have been warning users to create complex, unique passwords, and organizations to secure them properly. But an analysis of 12 million cracked Ashley Madison passwords shows how much we're still failing.
A second Russian has pleaded guilty in connection with the largest U.S. hacking scheme, which compromised more than 160 million payment card numbers. But three other alleged conspirators have yet to be arrested.
President Obama characterizes hacks of American businesses by Chinese hackers as an "act of aggression" against the United States and promises his administration will take action against the Chinese if they don't stop.
A Russian hacker who was extradited to the United States earlier this year has admitted his role in the largest hack attack in U.S. history, which resulted in the theft of 160 million payment card numbers. Find out how much time he could spend in prison under his plea agreement.