dangerous masked hacker performing cyberattack american flag as background.

hacker america american flag advanced persistent threat actor unauthorized access cyberattack network attack exploit vulnerability apt computer device system iot cyber criminal hacktivists privacy cyberterrorism ransomware information security management systems countermeasures botnet malware ddos backdoor buffer overflow social engineering worm virus cyberwarfare crime firewall safety wireless technology cybercrime damage illegal password spy hacking mask dangerous masked performing background concept generative illustration background