The Internal Revenue Service says cyber thieves may have accessed as many as 334,000 taxpayer accounts in a breach of its Get Transcript system, far more than the 114,000 accounts it originally estimated in May.
In the latest in a string of major cyber-attacks in the healthcare sector, UCLA Health confirms that information on 4.5 million individuals may have been exposed when hackers breached its network in an attack that appears to have begun last September.
The Office of Personnel Management is reportedly struggling with how best to notify 21.5 million individuals that their personal information was breached. Meanwhile, some lawmakers are voicing support for a proposal to provide lifetime ID theft monitoring for the victims.
The newly revealed card breach at Denver-based managed service provider Service Systems Associates reinforces concerns noted this week by the FS-ISAC in an alert about the risks smaller merchants face when outsourcing payments services.
More than 3,000 National Health Service patients had their personal data exposed when an employee lost an unencrypted memory stick in a parking lot, violating NHS policies. But creating policies isn't the same as enforcing them.
Italian surveillance software maker Hacking Team has confirmed that it was hacked and recommends police, law enforcement and government agencies suspend their use of its software, pending a full breach investigation.
An error in a coding upgrade for a Blue Shield of California website resulted in a breach affecting 843 individuals. The incident is a reminder to all organizations about the importance of sound systems development life cycle practices.
Polish airline LOT claims that a hack attack disrupted its ground-control computers, leaving the airline unable to issue flight plans and forcing it to cancel or delay flights, grounding 1,400 passengers.
In the wake of a May cyber-attack against the IT infrastructure of Germany's lower house of parliament, or Bundestag, investigators say they have been unable to eradicate all traces of the Trojan infections, and that up to 20,000 PCs might need to be replaced.
The investigation into the U.S. Office of Personnel Management breach has reportedly found that foreign spies may have stolen deeply personal information on up to 14 million current and former federal workers, going back three decades.
Medical Information Engineering, which offers Web-hosted EHRs as well as personal health records, reports a hacker attack has exposed an undisclosed number of patients' health information and Social Security numbers.
A massive breach at the U.S. Office of Personnel Management wasn't discovered by government sleuths - or the Einstein DHS intrusion detection system - but rather during a product demo, a new report says.
Larry Ponemon, founder of the Ponemon Institute, offers an in-depth analysis of the results of the organization's 10th study of the costs of data breaches, which found, for example, that rapid growth in hacker attacks is leading to escalating costs.