Antivirus, Antispam, antispyware y Firewall gratuitos

Una completa lista de productos gratuitos, para no cometer el error de descargar programas desconocidos y llevarse una sorpresa como un troyano.

La lista completa y la para obtener el producto puede obtenerse aquí

Antivirus:

* Active Virus Shield powered by Kaspersky (Homepage) for Windows 98/2000/Me/XP
* AntiVir for Windows 98/Me/NT/2000/XP
* Avast! for Windows 95/98/Me/NT/2000/XP/Vista
* AVG Free Anti-virus for Windows 2000/XP/Vista
* BitDefender for Windows 98/Me/NT/2000/XP
* Clam AV for Windows XP
* ClamWin for Windows 98/Me/2000/XP/2003
* Comodo for Windows 2000/XP
* Cyberhawk for Windows 2000/XP/2003/Vista
* PC Tools for Windows 2000/XP/Vista

Antispyware y antispam:

* Ad-Aware for Windows 98/Me/NT/2000/XP
* AVG Free Anti-Spyware for Windows 2000/XP/2003
* Comodo Anti-Spam for Windows 2000/XP
* HijackThis for Windows 2000/XP
* SpyBot Search & Destroy for Windows 95/98/Me/2000/XP/2003/Vista
* SpywareBlaster for Windows 98/Me/NT/2000/XP
* WinPatrol for Windows 95/98/Me/2000/XP/2003/Vista
* Windows Defender for Windows XP, and is included with Vista

Firewalls:

* Comodo Firewall for Windows 2000/XP/2003
* Outpost Firewall for Windows 95/98/Me/NT/2000/XP
* PC Tools Firewall for Windows 2000/XP/2003/Vista
* R-Firewall for Windows 98/2000/XP/2003
* Windows Firewall included with Windows XP SP2 and Vista
* ZoneAlarm Basic Firewall for Windows 2000/XP/2003

Fuente: http://tech.cybernetnews.com/2007/04/03/cybernotes-free-anti-virus-anti-spyware-and-firewall-downloads/