SonicWall: Firewall configs stolen for all cloud backup customers

SonicWall confirmed that an unauthorized party accessed firewall configuration backup files stored in MySonicWall cloud backup, affecting all customers who used the service; the exposed .EXP files contain AES-256-encrypted credentials and configuration data, and SonicWall has published remediation guidance and an essential credential-reset checklist for administrators to update passwords, API keys, VPN secrets, and other credentials.