Virus Encyclopedia site maintained by Symantec, makers of the popular Norton AntiVirus product.

Trend Micro issues regular advisories regarding new viruses, including a guide to avoiding them in the first place. Site covers risk factor of the newest viruses. lists top ten virus and offers a security alert archive.

News and technical articles on developments on viruses and anti-virus products.

Organization which maintains a list of computer viruses which are still found "in the wild".

This Sophos database holds the latest virus names and descriptions.

Virus information from makers of eTrust Antivirus (formerly known as InoculateIT).

Virus alerts, mailing list, and searchable descriptions of common viruses.

Permanently replenishing information about new viruses. Mechanisms of breeding and operation, detailed analysis of algorithms of viruses. Methods to guard against computer viruses.

Combines universities, industry, media, technical, security, and legal experts from civil and military government and law enforcement as well as privacy protection organizations whose objectives are to unite non-commercial efforts against writing and ...

Provides a standardized test file for signature based virus detection software. This file can be used to verify the correct operation of antivirus software without unnecessary exposure to viruses.