Computer Worm Trend 2026

A computer worm is a self-replicating malware program that spreads across networks without human action, unlike viruses. It exploits system vulnerabilities to copy itself, consuming bandwidth and altering files. Cybercriminals deploy worms for data theft, ransomware delivery, or botnet creation. Ironically, security researchers also use controlled worms for patch testing and network diagnostics, though malicious actors remain the primary beneficiaries.