A cyber-espionage campaign apparently linked to Russia has targeted more than 200 people in 39 countries and leaked victims' stolen information - sometimes in altered form - as part of a disinformation campaign, according to privacy researchers at Citizen Lab.
Russian threat intelligence firm Group-IB alleges that North Korea is behind recent attacks against financial institutions in Europe employing fraudulent SWIFT messages. But other experts caution that such conclusions shouldn't be made solely based on technical data.
Restaurant chain Chipotle Mexican Grill says customers' payment card data was stolen via point-of-sale malware installed at the vast majority of its more than 2,000 restaurant locations for more than three weeks.
Three Nigerian nationals who were convicted of a range of charges - including identity theft and payment card fraud - have been sentenced in the U.S. to serve up to 115 years in jail. Prosecutors says they were part of a "large-scale international fraud network" and involved in so-called "romance scams."
Leading the latest edition of the ISMG Security Report: Secretary John Kelly's congressional testimony on how DHS led government efforts to mitigate the WannaCry ransomware attacks. Also, reports on ransomware defenses as well as big data and machine learning combining to secure IT.
The identity of the individual or group behind the global WannaCry ransomware campaign remains unclear. But whoever wrote the ransom notes appears to have been fluent in Chinese and pretty good at written English, according to a linguistic analysis from security firm Flashpoint.
In the wake of WannaCry, there's a critical new flaw in Samba, which provides Windows-based file and print services for Unix and Linux systems. Security experts say the flaw is trivial to exploit. US-CERT recommends immediate patching or workarounds.
A number of media reports have recently suggested there's a "link" between WannaCry and the Lazarus hacking group, implying that North Korea authorized the ransomware campaign. But based on the evidence available so far, it's much too early to attribute the attacks to anyone.
Target has reached a record settlement agreement with 47 states' attorneys general over its 2013 data breach. The breach resulted in hackers compromising 41 million customers' payment card details and contact details for more than 60 million customers being exposed.
The WannaCry ransomware outbreak was a huge "wake-up call" for the global information security community, says Dan Schiappa of Sophos. It's time to patch those legacy systems and prepare for the inevitable next big crimeware scare, he says.
Good news for many victims of WannaCry: Free tools developed by a trio of French security researchers can be used to decrypt some PCs that were forcibly encrypted by the ransomware, if the prime numbers used to build the crypto keys remain in Windows memory.
In a rare acknowledgment of a data breach by an Indian company, online restaurant guide and food ordering service Zomata says 17 million users' email addresses and hashed passwords were stolen from its database. The company was hacked by a white-hat hacker back in 2015.
WannaCry ransomware victims who haven't backed up their files have a tough choice: take a risk paying the ransom or just accept the loss. But there's a slim glimmer of hope: French researchers have figured out a way to decrypt files without paying, although their tools won't work for everyone.