caution sign

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