platform-guideline checked

Microsoft Edge: Unexpected SmartScreen block or warning

Documents Edge warning pages for unsafe sites, including URL reputation, deceptive forms, malicious scripts, downloaded-file behavior, TLS security, user feedback, redirects, false-positive reporting, and site-owner remediation.

Open source

Pattern Decisions This Source Supports

Pattern Supported decision Required contract Claim note
Security warning Choose security warning when the system has a security-risk signal and proceeding could expose credentials, personal data, payment data, device integrity, account access, or organization assets. The warning appears before the risky navigation, submission, download open, file preview, install, or sensitive account action completes. Supports block-page criteria, unsafe-site reporting, false-positive reporting, and site-owner remediation.

Evidence Role

This source is treated as platform-guideline evidence. Use it to validate the decision rules above, not as a visual style reference.

Publisher: Microsoft. Last checked: .