shared folder infected with a virus, displaying a skull and crossbones warning sign

virus malware security cyber threat online internet computer data protection danger warning hack attack privacy risk technology digital crime hacker spyware ransomware phishing trojan infection breach vulnerability system network file folder icon symbol alert caution dangerous compromised cybercrime cybersecurity cyberattack cyberwarfare cyberterrorism cyberbullying cyberespionage cyberfraud cybersquatting cyberstalking cyberthreats cyberwar