John works as a professional Ethical Hacker. He has been assigned the project of testing the This rule can help him protect the We-are-secure server from the __________.

The ILOVEYOU virus spread primarily through email attachments using a VBScript payload and did not specifically target or exploit web or file servers.

Nimda was a multi-vector worm that specifically exploited Microsoft IIS web server vulnerabilities to spread, making it the threat most relevant to a server environment. It could propagate via web server exploitation, email, network shares, and infected web pages, enabling rapid lateral movement across networks. This server-targeting capability makes Nimda the correct answer when protecting a network server is the focus.

The Chernobyl (CIH) virus targeted the system BIOS and hard drive boot sectors on individual workstations, not network-facing servers.

The Melissa virus was a macro virus that spread via infected Microsoft Word documents sent through email, not through web server exploitation.