FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A computer worm is a subset of the Trojan horse malware that can propagate or self-replicate from one computer to another without human activation after breaching a system. Typically, a worm spreads across a network through your Internet or LAN (Local Area Network) connection.

Detailed explanation-2: -A worm is a type of malware that can copy itself and often spreads through a network by exploiting security vulnerabilities. It can spread through email attachments, text messages, file-sharing programs, social networking sites, network shares, removable drives, and software vulnerabilities.

Detailed explanation-3: -Malware, or malicious software, is a blanket term for any kind of computer software with malicious intent. Most online threats are some form of malware. Malware can take many forms, including viruses, worms, trojan horses, ransomware, and spyware.

Detailed explanation-4: -What are the three major components of a worm attack? a payload, an enabling vulnerability & a propagation mechanism.

Detailed explanation-5: -The lifecycle, from the point of view of the victim host, consists of four stages: target selection, exploitation, infection, and propagation.