ChillyHell macOS Backdoor Resurfaces

ChillyHell macOS Backdoor Resurfaces

In 2025, cybersecurity researchers uncovered a deeply concerning threat targeting macOS systems called ChillyHell—a modular backdoor malware that had managed to fly under the radar for years by cleverly abusing…
KillSec Ransomware: An Emerging Threat

KillSec Ransomware: An Emerging Threat

Introduction In September 2025, the KillSec ransomware group made headlines with a wave of disruptive attacks targeting healthcare IT vendors across Brazil, Colombia, and Peru. Leveraging supply chain compromise, data…