Cybereason Nocturnus

By Jeffrey Burt,Marc Handelman,Tripwire Guest Authors,Cybereason Nocturnus,Dan Simmons,Trevor J. Morgan,ID Agent In July 2021, the Cybereason Nocturnus and Incident Response Teams responded to Operation GhostShell, a highly-targeted cyber espionage campaign targeting the Aerospace and Telecommunications industries mainly in the Middle East, with additional ...

By Naimisha,Nik Hewitt,Chris Gerritz,Malicious Life Podcast,Cybereason Nocturnus,Cybereason Security Team,Dancho Danchev What is steganography? Steganography is, broadly, a type of covert communication involving the use of any medium to hide messages. Steganography is a relatively old technique of hiding 'secret' data in plain ...

| 5 minute read The Quantum Locker is a ransomware strain that was first discovered in July 2021. Since then, the ransomware was observed used in fast ransomware attacks, in some cases even Time-to-Ransom (TTR) of less than 4 hours, leaving defenders little time to react. Key Details Time-to-Ransom (TTR) of less than 4 hours: From initial infection to encryption takes even less than 4 hours, leaving a very short window for defenders to successfully defend against the threat.