It delivers maximum and fast protection against the latest viruses, thanks to cloud-scanning from the Collective Intelligence servers.

ClamWin Free Antivirus is used by more than 600,000 users worldwide on a daily basis. It comes with an easy installer and open source code.

It combines the best, patented protection technologies in one comprehensive package that secures your everyday activities while increasing your productivity.

Our Protection Cloud is our early warning system, which analyzes unknown files in the cloud – anonymously – from millions of users, to protect you from zero-day threats as they emerge in real time.

Be prepared for whatever comes your way with the most trusted security in the world. Available for everyone, for free.

Baidu Antivirus is 100% free, forever. Keep your computer safe with our award-winning security as long as you want, at no cost. Our upgrades, cloud file scanning, and new virus definitions are always free.

Immunet® by Cisco® provides essential antimalware protection for PC users. We leverage the collective intelligence of a growing community.

Combining our legendary anti-spyware with a powerful antivirus, Ad-Aware Free Antivirus+ enhances them with real-time protection, download protection and continuously updated filters against malicious URLs.

360 Total Security offers your PC complete protection from Viruses, Trojans and other emerging threats.

With improved protection and advanced privacy features to help keep your private data private, you can be sure you're making the right choice.

Bitdefender Antivirus Free Edition has been engineered to enable you to enjoy your computer to the max, without having to worry about viruses and other e-threats.

Avira Free Antivirus for Mac delivers first-rate protection for free. Not only does it protect you from all Mac related threats, it also prevents you from passing on PC viruses as well.

Beneath its deceptively simple design lies a powerful security engine that works in real time to detect and remove not only Mac-specific viruses and spyware, but PC and mobile threats, too.

We know. Your Mac is captivating. Give it the protection it deserves, with the most trusted security in the world.

Proactive Antivirus provides complete protection against viruses, worms and Trojan horses for Mac OS X based computers.

360 Security provides 360° of protection, backed by a leading antivirus engine. Our intelligent boost and clean technology keeps your device junk-free and fast.

Avira prevents unwanted premium calls, blocks banking Trojans and stops Ransomware from restricting access to your own data.

AVG AntiVirus works quickly and silently to protect you from the latest viruses, malware, spyware, unsafe apps, unwanted callers, & other threats.

COMODO Mobile Security (CMS) is designed to protect your Android devices against viruses, unsafe apps, potentially risky settings and even from theft.

Our free Mobile Security app provides full functionality to protect your Android device without reducing performance or battery life.

Banking, shopping, email. What can’t we do on our phones? Protect everything you do, with the most trusted security in the world.

Free Protection for Your Phone Against Virus Attacks, Theft, and Unwanted Numbers.