Prohibition Sign - Universal No Entry Symbol for Safety and Compliance #1287407 (License: Personal Use)

This glossy, vector-style prohibition sign features a vibrant red circle with a bold white horizontal bar centered inside, following international ISO 27001 and traffic signage standards. The subtle gradient and drop shadow give it a modern, three-dimensional appearance suitable for digital interfaces and print media. It conveys immediate restriction, denial of access, or operational prohibition across industrial, transportation, and cybersecurity applications.

Commonly used on websites, safety manuals, warning labels, and UI elements to indicate blocked actions, restricted areas, or policy violations; matches user intent for understanding prohibitions, compliance requirements, or error states.