SonicWall Warns Customers of Data Exposure Incident Affecting MySonicWall Configuration Backup Files
On September 17, 2025, SonicWall released a knowledge base article detailing the exposure of firewall configuration backup files stored in certain MySonicWall accounts. SonicWall states that after identifying the incident they began an investigation containing the incident, terminating the ‘unauthorized access point’, and working with law enforcement and select cybersecurity agencies globally.