The U.S. Department of Homeland Security is reportedly warning that the U.S. could witness a retaliatory cyberattack at the hands of Russia if it decides to respond to the latter's potential invasion of Ukraine, where 100,000 or more troops have been amassed for weeks.
Microsoft researchers tracking Apache Log4j exploits last week discovered a previously undisclosed vulnerability in SolarWinds' Serv-U software. SolarWinds subsequently responded, investigated and fixed the flaw. Some observers described the new vulnerability as "surprising" and "disturbing."
Has the notorious REvil, aka Sodinokibi, ransomware operation rebooted as "Ransom Cartel"? Security experts say the new group has technical and other crossovers with REvil. But whether the new group is a spinoff of REvil, bought the tools, or is simply copying how they work, remains unclear.
Cyberattacks remain a critical security concern - and a top patient safety hazard - for the healthcare and public health sector in 2022, federal authorities and other experts warned this week. Will recent takedowns of ransomware criminal gang members by law enforcement agencies help?
In the latest weekly update, four ISMG editors discuss the state of cyber insurance today and why its future is uncertain; applying a security-by-design reliability model to analyze vulnerabilities; and how Russia takes down members of the REvil ransomware group as cyber aggressions in Ukraine rise.
Although flaws in Apache Log4j software that need remediating remain widespread in organizations, "some of them are aware of the issue, some of them aren't aware of the issue, and likely this issue is going to be persisting with us for many, many years," says Jeff Macko, an offensive security expert at Kroll.
The U.K. government is considering new measures to boost cybersecurity standards in the country. The proposed laws recommend levying large fines on essential digital service providers for noncompliance with strict cybersecurity rules, and improving incident reporting.
More information continues to emerge about the destructive malware attack that targeted Ukrainian government systems last week. As a probe continues, numerous questions about the incident remain unanswered. But the three-stage wiper attack, disguised as ransomware, apparently hit few systems.
In a span of just days, two prominent congressmen who have long advanced cybersecurity at the federal level announced that they will not be seeking reelection in 2022. Reps. Jim Langevin, D-R.I., and John Katko, R-N.Y., will, however, pursue a cyber agenda throughout the remainder of their terms.
Attackers have been actively targeting Log4j vulnerabilities, or Log4Shell, vulnerabilities in the servers of virtualization solution VMware Horizon to establish persistent access via web shells, according to an alert by the U.K. National Health Service.
VPN Lab, known for its alleged wide use by ransomware threat actors, has been shut down. Fifteen servers associated with VPNLab.net were seized or disrupted based on multiple international investigations tying the VPN service provider to cybercrime operations, according to Europol.
Ransomware group ShinyHunters has published 700 GB of data stolen from Indian firm Aditya Birla Fashion and Retail on a dark web forum, says Troy Hunt of Have I Been Pwned. A source at the retailer, however, says that its threat intrusion and detection solutions have not shown signs of an attack.
After the defacement of multiple Ukrainian government websites last week and subsequent deployment of destructive malware against Ukraine over the weekend, Lithuanian officials have offered to deploy the EU's Cyber Rapid Response Team to help Ukraine deal with cyberattacks.