high risk warning sign

risk sign high danger warning hazard vector icon caution ban notice forbidden stop closed security safety illegal product app information service website suspicious fraud alert email access denied allowed permitted restricted area zone prohibited prohibition restriction threat risky logo banner signboard red computer software pirate online construction site uncensored spyware text forewarn exclamation mark stamp unsecure icons signs logos clipart web design flat abstract clip art symbols graphic graphics drawing cartoon concept forewarn precaution mark exclamation point