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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.
Avast Free Antivirus

Avast Free Antivirus
Free

Avast Free Antivirus

Stay safe from viruses, malware, spyware, and hackers.

Free
Editors' rating
User rating
Publisher: Avast Software Downloads: 398,031,129
IObit Malware Fighter

IObit Malware Fighter
Free

IObit Malware Fighter

Scan and remove malware from your system.

Free
User rating
Publisher: IObit Downloads: 21,770,994
Malwarebytes

Malwarebytes
Free to try

Malwarebytes

Detect and quickly remove malicious threats to your computer.

Free to try
Editors' rating
User rating
Publisher: Malwarebytes Downloads: 144,615,715
AVG AntiVirus Free

AVG AntiVirus Free
Free

AVG AntiVirus Free

Protect your computer from viruses and malicious programs.

Free
Editors' rating
User rating
Publisher: AVG Technologies Downloads: 562,660,177
Panda Free Antivirus

Panda Free Antivirus
Free

Panda Free Antivirus

Keep your PC free from viruses and malware.

Free
User rating
Publisher: Panda Security Downloads: 12,872,509
Advanced SystemCare Ultimate

Advanced SystemCare Ultimate
Free to try

Advanced SystemCare Ultimate

Protect your computers from viruses and speed up overall system performance.

Free to try
User rating
Publisher: IObit Downloads: 2,239,045
SmadAV 2017

SmadAV 2017
Free

SmadAV 2017

Protect your computer from viruses.

Free
Editors' rating
User rating
Publisher: SmadAv Downloads: 1,701,205
Avast Free Mac Security 2016

Avast Free Mac Security 2016
Free

Avast Free Mac Security 2016

Protect your PC against the latest viruses and spyware.

Free
Editors' rating
User rating
Publisher: Avast Software Downloads: 5,243,689
AVG AntiVirus for Mac

AVG AntiVirus for Mac
Free

AVG AntiVirus for Mac

Protect all that's important on your Mac.

Free
Editors' rating
User rating
Publisher: AVG Technologies Downloads: 1,359,843
Kaspersky Anti-Virus 2017

Kaspersky Anti-Virus 2017
Free to try

Kaspersky Anti-Virus 2017

Protect your PC against viruses, spyware, Trojans, worms, rootkits, and bots.

Free to try
Editors' rating
User rating
Publisher: Kaspersky Lab Downloads: 6,095,831
Results 1 - 10 of 7,616

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.