handwriting text cyber warfare. internet concept virtual war hackers system attacks digital thief stalker gentleman

hackers sabotage wiretapping cyberwar geeks eavesdropping ransomware coding bootkits keyloggers backdoors exploits backbone destabilization danger stalking security virus hacking cybercrime espionage malware cyberspace cyberattack spy spyware fraud cyberterrorism trojan phishing scam netcrime encryption fraudsters adware cybernetic decrypt hacktivist cyborg antivirus