Categories The FBI News Review PYSA ransomware behind most double extortion attacks in November – BleepingComputer Post author By Mike Nova Post date December 21, 2021 Listen to this article PYSA ransomware behind most double extortion attacks in November BleepingComputer ← Forensic scientist, retired FBI special agent weigh in on latest search in Jennifer Farber Dulos case – WTNH.com → Major security flaw leaves companies vulnerable to ransomware – WPRI.com