The BlackCat ransomware-as-a-service operation’s putative “unseizing” of its leak site from the FBI is a stunt made possible by way the dark web handles address resolution, security researchers said Monday. The stunt was a “tactical error” that could alienate affiliates. U.S. authorities as part of an international law enforcement operation announced Monday morning that they…

The FBI may have successfully disrupted the destructive Hive ransomware operation earlier this year, but the group’s malware code continues to present a threat to organizations everywhere. In October, a security researcher’s analysis of a ransomware used by new group called Hunters International showed substantial code overlaps with Hive ransomware. A subsequent analysis by Bitdefender…

Dark web intelligence firm Searchlight Cyber published a report that analyzes how threat actors in the dark web prepare their malicious operations against energy organizations. The threat actors use the hidden part of the web to share techniques, build their resources, and coordinate their attacks. The report published by the experts provides evidence of continuous…

The online health insurance marketplace servicing residents of Washington, D.C., and staffers and members of the U.S. Congress is facing two proposed class action lawsuits in the aftermath of a hacking incident that affected at least 56,400 individuals. Some of the data stolen in the incident was posted for sale on the dark web earlier…

Norton LifeLock customers have fallen victim to a credential-stuffing attack. Cyberattackers used a third-party list of stolen username and password combinations to attempt to break into Norton accounts, and possibly password managers, the company is warning. Gen Digital, owner of the LifeLock brand, is sending data-breach notifications to customers, noting that it picked up on…

Medibank told investors that a “sample” of data from some 9.7 million clients had been posted on a “dark web forum” — and that more leaks were likely. Sensitive records were posted anonymously in the early hours of Wednesday and included names, birth dates, passport numbers and information on medical claims for hundreds of customers….

Searchlight Security has announced new multi-tenancy capabilities for DarkIQ, its dark web monitoring solution. DarkIQ utilizes the most comprehensive dark web dataset on the market, and is the only one that includes dark web traffic to and from the organization’s network. DarkIQ’s multi-tenancy feature allows organizations to manage multiple profiles on a single account, making…