Ragnarok, a ransomware gang operational since 2019 that gained notoriety after launching attacks against unpatched Citrix ADC servers, has shut down and released a free decryption key for its victims. The gang, sometimes referred to as Asnarok, last week replaced all 12 of the victims listed on its dark web portal with a short instruction … Continue reading Ragnarok ransomware gang shuts down and releases its decryption key