Ragnarok shuts down and releases the decrypter
Ragnarok ransomware operation closure with public master decrypter release: scope of recovery for past victims and operator transition signals.
Blog · research & analysis
Ragnarok ransomware operation closure with public master decrypter release: scope of recovery for past victims and operator transition signals.
Widespread phishing campaign weaponising open-redirect parameters on legitimate domains to bypass URL reputation filters and reach corporate inboxes.
Threat actors weaponising Atera RMM agent for unauthorised remote access: living-off-the-land patterns, telemetry signals and post-compromise operator behaviour.
Local privilege escalation primitive abusing Windows mouse-driver installation flow: exploitation pre-conditions and mitigation considerations.
Marketo extortion site publishes data attributed to the Virginia Defense Force: data scope, attribution claims and downstream risk for affected entities.
IsErik adware family with APT-style persistence: registry tampering, browser hijack persistence, removal complexity and detection considerations.
Fresh wave of attacks against Microsoft Exchange Server: new exploitation patterns, web shell families observed and mitigation guidance for exposed environments.
Operational anatomy of a ransomware gang: roles, affiliate program structure, financial distribution and OPSEC practices observed inside leaked communications.
Underground marketplaces structure: vendor reputation, escrow models, product taxonomy (credentials, accesses, malware kits, leaked data) and policing dynamics.