SonicWall confirms all of its cloud backup customers were affected by data breach

Representational image of a user accessing data from the cloud.

• SonicWall cloud backup breach exposed firewall config files of many global customers
• Attackers brute-forced MySonicWall, risking credential leaks and targeted network intrusions
• SonicWall urges users to delete backups, rotate secrets, and recreate configurations locally

All companies using SonicWall’s MySonicWall cloud backup feature have had their firewall configuration files exposed in a recent cyberattack, the company has admitted.