The Best 16 System Shield Alternatives

  • ESET NOD32 Antivirus icon

    ESET NOD32 Antivirus

    ESET NOD32 Antivirus is an innovative host-based intrusion prevention system that offers a comprehensive scanning solution. Most importantly, it will not slow down your PC, it's easy to use, and easy to install.

    Commercial Windows Linux

  • Kaspersky Internet Security icon

    Kaspersky Internet Security

    Kaspersky Internet Security keeps your PC free from malicious code, adware, spyware, hacker attacks, dialers, spam and network fraud.

    Commercial Mac OS X Windows

  • AVG Internet Security icon

    AVG Internet Security

    Comprehensive real-time protection against viruses, spyware, identity theft, poisoned web pages, and all types of malware that can threaten your valuable personal information.

    Commercial Windows

  • VIPRE Antivirus icon

    VIPRE Antivirus

    VIPRE Antivirus is the light-weight and highly effective antivirus program that does not slow down your PC.

    Commercial Windows

  • ALYac Internet Security icon

    ALYac Internet Security

    ALYac Internet Security, formerly Roboscan, a total security program which securely protect your system by scanning and cleaning viruses and malwares, through real-time scanning feature.

    Free Windows

  • G Data InternetSecurity icon

    G Data InternetSecurity

    G Data InternetSecurity: Virus scanner, Behavior monitoring, Email scanning, Exploit protection, G DATA BankGuard, Anti-Ransomware, USB Keyboard Guard, Update...

    Commercial Windows

  • Norton Security icon

    Norton Security

    Norton Security protects your most important device, whether it's a PC, Mac, smartphone, or tablet, from online threats such as malware and spyware.

    Commercial Mac OS X Windows Android iPhone Android Tablet

  • VIPRE Internet Security icon

    VIPRE Internet Security

    VIPRE Internet Security 2012 includes all the security features of VIPRE Antivirus, plus a firewall to protect against inbound and outbound Internet threats, an...

    Commercial Windows

  • Trend Micro Internet Security icon

    Trend Micro Internet Security

    Trend Micro Internet Security protects you and your family against cybercriminals and inappropriate content without slowing down your computer.

    Commercial Windows

  • F-Secure Internet Security icon

    F-Secure Internet Security

    F-Secure Internet Security keeps you safe on the Internet. It protects your data and privacy when you send e-mail, download music, bank, shop or play online. Internet...

    Commercial Windows

  • CacheGuard-OS icon

    CacheGuard-OS

    CacheGuard OS is an Appliance oriented Operating System dedicated to Web traffic Security and Optimization.

    Free Open Source Windows VirtualBox VMware vSphere Hypervisor Microsoft Hyper-V Server Proxmox Virtual Environment

  • Intego Mac Internet Security icon

    Intego Mac Internet Security

    Intego is the #1 Mac antivirus and security software that provides worry-free protection from Mac and PC threats, while being incredibly easy to use. Features ...

    Commercial Mac OS X