Electronic filing is the online submission of required documents to a government agency or regulator. A filing portal may let users upload forms, validate required fields, and receive a confirmation or receipt showing that a submission was recorded.
In cybersecurity, these systems need both availability and integrity: users must be able to submit documents when required, and records must remain accurate and protected from unauthorized changes. An outage can prevent or delay submissions without proving that an attacker accessed data. Defenses include resilient services, clear backup submission procedures, and reliable receipt records. Filers should preserve timestamps, error messages, and confirmation IDs to help document attempted submissions if a portal is unavailable.