A new kind of ransomware written in Python has upped the encryption game by using a unique key for every file it encrypts on a victim's machine, researchers have warned. The ransomware, dubbed CryPy, ...

CastleRAT and CastleLoader, active since March 2025, spread malware via phishing and GitHub repos, enabling data theft.

A new Python-based malware has been spotted in the wild featuring remote access trojan (RAT) capabilities to give its operators control over the breached systems. Named PY#RATION by researchers at ...

More than 4,000 victims across 62 countries have been infected by stealthy infostealers pilfering people's passwords, credit card numbers, and browser cookies, which are then sold to other criminals ...