Lorenz ransomware gang targeting Mitel VoIP systems theregister.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theregister.com Daily Mail and Mail on Sunday newspapers.
Hackers used a zero-day exploit on Linux-based Mitel MiVoice VOIP appliances for initial access in what is believed to be the beginning of a ransomware attack.