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Security Software

The Security Software category is your source for antivirus, anti-spyware, and encryption apps. Download.com's... more
The Security Software category is your source for antivirus, anti-spyware, and encryption apps. Download.com's extensive collection of security software is designed to safeguard your online activity.
USB Disk Security

USB Disk Security
Free

USB Disk Security

Prevent known and unknown threats from USB storage.

Free
Editors' rating
User rating
Publisher: Zbshareware Lab Downloads: 2,291,231
ESET NOD32 Antivirus (64-bit)

ESET NOD32 Antivirus (64-bit)
Free to try

ESET NOD32 Antivirus (64-bit)

Protect your system and files from virus and spyware.

Free to try
Editors' rating
User rating
Publisher: ESET Downloads: 469,910
Ad-Aware Free Antivirus +

Ad-Aware Free Antivirus +
Free

Ad-Aware Free Antivirus +

Protect your personal computer against virus and spyware attacks.

Free
Editors' rating
User rating
Publisher: Lavasoft Downloads: 391,569,664
OkayFreedom VPN

OkayFreedom VPN
Free to try

OkayFreedom VPN

Surf the Web anonymously and securely.

Free to try
User rating
Publisher: Steganos Software Downloads: 447,704
Microsoft Security Essentials (64-bit)

Microsoft Security Essentials (64-bit)
Free

Microsoft Security Essentials (64-bit)

Protect your computer with Microsoft's latest security software.

Free
Editors' rating
User rating
Publisher: Microsoft Downloads: 715,732
PureVPN

PureVPN
Free to try

PureVPN

Surf the Internet securely and access blocked content.

Free to try
Editors' rating
User rating
Publisher: PureVPN Downloads: 40,084
Folder Lock

Folder Lock
Free to try

Folder Lock

Lock, hide, encrypt, back up, and password-protect your files, folders, and drives.

Free to try
Editors' rating
User rating
Publisher: NewSoftwares Downloads: 3,719,765
HomeGuard (64-bit)

HomeGuard (64-bit)
Free to try

HomeGuard (64-bit)

Monitor and block Web activity, keystrokes and chat, limit gaming time, and record screenshots.

Free to try
Editors' rating
User rating
Publisher: Veridium Software Downloads: 299,751
360 Total Security 2016

360 Total Security 2016
Free

360 Total Security 2016

Protect PC against viruses and malware and optimize system performance.

Free
User rating
Publisher: Qihoo 360 Technology Downloads: 953,792
RKill

RKill
Free

RKill

Kill running malware processes that stop the use of normal anti-malware applications.

Free
Editors' rating
User rating
Publisher: Bleeping Computer Downloads: 851,565 External File

This software is available to download from the publisher site.

Results 31 - 40 of 7,632

About Security Software

The Security Software category is your source for antivirus, anti-spyware, and encryption apps. Download.com's extensive collection of security software is designed to safeguard your online activity.