glitched attention sign on black background with tv moire noise texture. computer hacked danger error concept. exclamation mark

aberration accident alarm alert analogue attention background bad banner beware black broadcast broken bug computer concept corrupted cyber danger data ddos digital display distorted distortion effect error exclamation fault firewall flicker glitch glitched graphic hack hacked hacker hazard icon important internet iot mailware mark moire monitor noise offline program risk screen security sign signal software static symbol system texture things vector virus