Antivirus :

AVG : http://free.grisoft.com/
Avast Home : http://www.avast.com/
Antivir personalEdition : http://www.free-av.com/
BitDefender : http://www.bitdefender.com/site/Main/view/...html?menu_id=21
ClamWin : http://clamwin.com/

Internet Security :

CyberDifender : http://www.cyberdefender.com/products.html

Anti-spyware:

Ad-ware : http://www.lavasoftusa.com/software/adaware/
Spybot: Search & Destroy : http://www.spybot.info/
Windows defender : http://www.microsoft.com/downloads/details...&displaylang=en
SpyWare Blaster : http://www.javacoolsoftware.com/
Spyware Terminator : http://www.spywareterminator.com/

Anti Rootkit:

Tootkit Reveaker : http://www.microsoft.com/technet/sysintern...itRevealer.mspx

System Security :

WinPooch : http://winpooch.free.fr/page/home.php?lang=en&page=home
Hijack : http://www.hijackfree.com/en/hijackfree/

Anti hijacker:

HighJackThis : http://www.spywareinfo.com/~merijn/

Firewall :

Kerio : http://www.filehippo.com/download_kerio_pe...l_firewall/?468
Sygate : http://www.filehippo.com/download_sygate_personal_firewall/
ZoneAlarm : http://www.zonelabs.com/store/content/comp...ry=%E2%8C%A9=bg

Criptazione files :

AxCrypt : http://axcrypt.axantum.com/

Cancellazione definitiva files anti recupero:

Simple File shredder : http://www.scar5.com/

SSH client:

Putty : http://www.chiark.greenend.org.uk/~sgtatham/putty/

Password manager:

KeePass : http://keepass.info/
LockNote : http://locknote.steganos.com/
Npassword : http://zeraha.org/dload.php?action=file&file_id=42

Identificazione errori di configurazione:

Microsoft Baseline Security Analyzer : http://www.microsoft.com/downloads/details...&DisplayLang=en