FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A Trojan horse, or Trojan, in computing is a generally non-self-replicating type of malware program containing malicious code that, when executed, carries out actions determined by the nature of the Trojan, typically causing loss or theft of data, and possible system harm.

Detailed explanation-2: -1.2 Trojans Unlike viruses and worms, Trojans are not self-replicating − they rely on their apparent usefulness to spread between computers.

Detailed explanation-3: -A Trojan Horse (Trojan) is a type of malware that disguises itself as legitimate code or software. Once inside the network, attackers are able to carry out any action that a legitimate user could perform, such as exporting files, modifying data, deleting files or otherwise altering the contents of the device.

Detailed explanation-4: -A computer worm is a type of malware whose primary function is to self-replicate and infect other computers while remaining active on infected systems. A computer worm duplicates itself to spread to uninfected computers.

Detailed explanation-5: -One of the most common types of malware, worms spread over computer networks by exploiting operating system vulnerabilities. A worm is a standalone program that replicates itself to infect other computers, without requiring action from anyone.