No Entry Sign - Visual Warning Symbol for Restricted Areas #3604366 (License: Personal Use)

The image displays a standard prohibition sign: a bold red circle with a diagonal red slash overlaying a black silhouette of a raised hand halting a human figure. This design follows ISO 3864-1 standards for safety signage, conveying immediate visual warning without text. It is widely recognized across cultures to denote restriction, danger, or forbidden activity.

Commonly used in industrial sites, construction zones, private property entrances, and public safety signage to prevent unauthorized access or hazardous behavior; matches user intent for understanding safety symbols, compliance training, or designing warning systems.