Secure Padlock Icon - Digital Security Symbol for Websites and Apps #2198388 (License: Personal Use)

This vector-style padlock icon features a bold white outline with a classic keyhole centered on the body, set against a solid black background for maximum contrast and legibility. Designed for scalability, it conveys trust, authentication, and secure access across digital interfaces. Its simplicity ensures compatibility with dark-mode themes and accessibility standards.

Used on login pages, SSL/TLS indicators, privacy policy sections, security dashboards, and app permission prompts; matches user intent for verifying safety, encryption status, or account protection.