Operation HamsaUpdate: A Sophisticated Campaign Delivering Wipers Puts Israeli Infrastructure at Risk

On December 19th, the Israel National Cyber Directorate released an urgent alert warning regarding a phishing campaign actively targeting Israeli customers using F5’s network devices. We’ve labeled this campaign Operation HamsaUpdate. It features the deployment of a newly developed wiper malware that targets both Windows and Linux servers. The campaign leverages a convincingly written email in Hebrew and utilizes sophisticated social engineering techniques, pressuring victims to execute the harmful code residing on their servers. The final attack delivers a …

alert campaign customers cyber december deployment devices features infrastructure israel israeli linux linux servers malware national national cyber network network devices phishing phishing campaign risk servers targeting urgent warning windows windows and linux wiper wiper malware wipers