Hackers Leverage Compromised Third-Party SonicWall SSL VPN Credentials to Deploy Sinobi Ransomware

A sophisticated ransomware attack has emerged targeting organizations through compromised third-party managed service provider (MSP) credentials, showcasing the evolving tactics of cybercriminals in 2025. The Sinobi Group, operating as a Ransomware-as-a-Service (RaaS) affiliate, successfully infiltrated corporate networks by exploiting SonicWall SSL VPN credentials mapped to over-privileged Active Directory accounts with domain administrator rights. The attack […]

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