Attackers targeting unpatched VMware ESXi hypervisors to hit virtual machines have reportedly modified their ESXiArgs ransomware to prevent victims from using decryption workarounds identified by researchers. The campaign has already amassed nearly 3,000 known victims and could have many more.
The LockBit group has gone from denying it had any involvement in the ransomware attack on Britain's Royal Mail to trying to bargain for a ransom. The ransomware group's site now lists Royal Mail as a victim and demands it pay a ransom or see stolen data get dumped.
According to ACSC, one quarter of cybersecurity incidents in Australia happened due to critical infrastructure, which has put Australia’s essential services at a heightened risk.
This case study dives into an in-depth analysis on what happens when a water management facility –classified as critical...
Executives underestimated the security risk associated with operational technology based on the erroneous belief that OT networks are highly segmented or air gapped. But COVID-19 made executives realize their OT networks are more connected than they previously thought, says Dragos CEO Robert M. Lee.
Chinese technology firms could be completely banned from buying U.S.-built technology under export control restrictions being mulled by the White House, which has already restricted access to the advanced semiconductors Beijing needs to realize its large-scale artificial intelligence ambitions.
Security researchers say they found the Russian intelligence-linked Sandworm threat actor deploying a novel disk wiper against an energy sector company located in Ukraine. Data wipers have played a key role in Russia's hacking campaign against Ukraine.
The increased physical connectivity of digital assets has expanded the attack surface and added complexity for engineers in industrial environments, says Dragos CEO Robert Lee. More industrial automation and new systems have made it tougher for plant operators to conduct root cause analysis.
Valuations are down, some companies have left the market altogether, and some even have announced deep rounds of layoffs. Yet, Alberto Yépez of Forgepoint Capital retains optimism for the cybersecurity marketplace in 2023 and says now is the ideal time to be ramping up investments in innovation.
Microsoft blamed an internal network configuration change for outages that disrupted access to Microsoft 365 services, including Microsoft Teams and Outlook, for users around the world. The change has been rolled back and additional infrastructure added to speed restoration, it says.
Anytime critical infrastructure gets disrupted, the first question inevitably seems to be: Was a cyberattack to blame? So it went Wednesday when the Federal Aviation Administration announced a "ground stop," prohibiting all U.S. flights from taking off, due to an overnight system failure.
Malaysian Communications and Digital Minister Fahmi Fadzil has ordered an inquiry into an alleged massive data breach that reportedly involves data of Maybank, Astro and the Election Commission. The alleged breach reportedly affects 13 million citizens.
Many healthcare sector organizations would raise their security maturity levels if more CISOs and their teams approached security with business enablement as the objective, says Taylor Lehmann, director for the office of the CISO at Google Cloud.
California hospital operator Scripps Health has agreed to pay $3.57 million in "minimum cash settlements" of $100 per victim, plus some additional types of expenses, to settle a class-action lawsuit filed by victims of a 2021 data breach perpetrated by ransomware-wielding attackers.
State-backed Russian hacking groups are continuing to focus less on Ukrainian military targets and much more on civilian infrastructure, Ukrainian cybersecurity officials report. Since the start of the year, Ukraine's Computer Emergency Response Team has tracked more than 2,100 major hack attacks.
One of the primary healthcare systems in the northwestern Italian city of Alessandria has been listed as a recent victim of the Ragnar Locker ransomware group, which has leaked stolen data and appears to be continuing to try and extort the organization.