Keyhole Icon - Security, Privacy, and Access Symbol #3770143 (License: Personal Use)

This vector-style icon features a classic keyhole silhouette centered within a bold circular border, rendered in solid black against a transparent checkerboard background. Its high-contrast, scalable design ensures clarity across digital interfaces, from mobile apps to web dashboards. The simplicity conveys universal recognition of security, unlocking, or authentication functions.

Commonly used in UI/UX design for login buttons, password fields, privacy settings, and security alerts; matches user intent for accessing protected content or verifying identity.