Produces the McAfee VirusScan line of antivirus software, as well as various specialized products for home and business users. Also offers managed security services for home and business users.

Product information, news, support, and information on viruses.

Makers of popular Norton Antivirus product.

Independent anti-virus journal and website with advice, reviews and tutorials.

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

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 proliferation of malicious code like computer viruses or Trojan Horses, and against computer crime and fraud.