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Yes, SonicWALL firewalls remain safe to use after the data breach, provided that all recommended security measures are applied. The breach did not directly exploit the firewall hardware or firmware itself, but rather exposed configuration backups stored in the cloud. Once administrators update the firmware to the latest version, rotate all VPN credentials and pre-shared keys (PSKs), and review access logs, the devices can continue to operate securely.

To ensure your network remains protected, follow best practices such as enabling multi-factor authentication, using unique PSKs for each VPN connection, and regularly checking for new firmware updates. Performing a full security audit of your SonicWALL setup helps confirm that no compromised credentials are still in use and that all VPN endpoints are properly secured.

For detailed security recommendations, review the SonicWALL VPN hardening recommendations. If you need assistance assessing your network setup or want a VPN expert to help you secure your SonicWALL firewall configuration, contact our VPN Tracker Consulting experts.