Secure Padlock Icon - Digital Security Symbol for Websites & Apps #3561870 (License: Personal Use)

This vector-style padlock icon features a solid teal fill with rounded corners and a smooth U-shaped shackle, set against a transparent checkerboard background for seamless integration. Its flat, modern design ensures high legibility at small sizes, making it suitable for UI elements like HTTPS indicators, authentication prompts, and privacy badges. The absence of texture or gradient emphasizes clarity and accessibility across devices.

Commonly used in web interfaces to denote secure HTTPS connections, password-protected areas, encrypted data, or privacy settings; matches user intent for safety verification and trust signals during online interactions.