ATT&CK v17: New Platform (ESXi), Collection Optimization, & More Countermeasures

ATT&CK v17: New Platform (ESXi), Collection Optimization, & More Countermeasures

By: Amy Robertson and Adam Pennington Our goal with ATT&CK v17 is to help defenders stay aligned with where adversaries are headed by looking at where they’ve recently been. This release aims to inform defensive efforts …

HelloKitty Ransomware Actively Targets Windows, Linux & ESXi

HelloKitty ransomware has resurfaced with newly discovered variants targeting Windows, Linux, and ESXi environments in a renewed wave of cyberattacks. Security researchers have noted a significant rise in activity, confirming that HelloKitty is once again a serious threat to the cybersecurity landscape. First observed in October 2020 as an updated version of the DeathRansom malware, HelloKitty has since evolved its reach. The most recent version…