Padlock Icon - Security Symbol for Websites and Applications #3573108 (License: Personal Use)

This vector-style padlock icon features a bold black outline on a white background, with a rounded shackle and a central keyhole. Its minimal design ensures high legibility across devices and scales well for both web and mobile UIs. The icon conveys concepts like data protection, authentication, and encrypted communication.

Commonly used in web interfaces to indicate secure connections (e.g., HTTPS), password fields, privacy settings, or locked content. Matches user intent for safety assurance, access control, and trust signals during online interactions.