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Best Computer Security in 2026

Computer security tools help protect computers, phones, servers and networks from malware, ransomware and other risks. This list includes software for Windows, macOS, Linux, web, Android and iOS.

  1. 1

    ClamAV

    Free plan Open source APILinuxMac+2

    ClamAV provides scanning tools, frequent database updates, and coverage across several operating systems and file formats.

    9.2 Free plan Visit site
  2. 2

    Wazuh

    Free plan Open source APILinuxMac+3

    Wazuh combines security monitoring with response capabilities and integrations for a range of environments.

    8.6 Free plan · paid from $571/mo · 14-day trial Visit site
  3. 3

    Comodo Internet Security

    by Comodo Internet Security
    Free plan AndroidExtensioniPhone+1

    Comodo Internet Security pairs core protection with isolated browsing and application use. Check the listed Windows-version limits before choosing it for an older PC.

    7.6 Free plan · paid from $29.99/yr Visit site
  4. 4

    FortiClient

    Free plan AndroidiPhoneLinux+2
    7.5 Pricing on request Visit site
  5. 5

    360 Total Security

    by 360 Total Security
    Free plan Windows

    360 Total Security provides a free Windows plan for one device, with ransomware defense, internet protection, cleanup, and sandbox functions listed.

    7.3 Free plan Visit site
  6. 6

    GlassWire

    by GlassWire
    Free plan AndroidWebWindows

    GlassWire combines traffic visibility with firewall controls, while its Android app focuses on app data use and connections.

    7.2 Free plan · paid from $2.99/mo (annual) Visit site
  7. 7

    Suricata

    Free plan LinuxMacWindows

    Suricata offers network detection, prevention and monitoring capabilities, with JSON output for integrations and support for several operating systems.

    6.9 Free plan Visit site
  8. 8

    Snort

    Free plan LinuxSelf-hosted

    Snort offers several traffic-monitoring modes, rule-based detection, and optional inline packet blocking. The free Community Ruleset is updated daily; paid rules and support are licensed per sensor.

    6.8 Free plan · paid from $29.99/yr Visit site
  9. 9

    TinyWall

    Free plan Windows

    TinyWall offers firewall controls and connection visibility for supported Windows desktops.

    6.6 Free plan Visit site
  10. 10

    CrowdStrike Falcon for Mobile

    Free trial AndroidAPIiPhone+1

    Choose Falcon for Mobile if your organization needs mobile threat detection, device trust visibility, and deployment options across Android and iOS.

    6.5 From $7.99/mo · 15-day trial Visit site
  11. 11

    F-Secure Total

    by F-Secure Total
    Free trial AndroidiPhoneMac+1

    F-Secure Total combines multi-platform security, password management, and an unlimited VPN in one app. Buyers can choose device and term combinations, with a trial available before purchase.

    6.3 From $69.99 · 30-day trial Visit site
  12. 12

    Kaspersky Endpoint Security for Business

    Free trial AndroidAPIiPhone+5

    Kaspersky combines broad endpoint controls with centralized management and several deployment options. The Select-to-Next transition and partner-only sales are worth clarifying before choosing a plan.

    6.2 Pricing on request Visit site
  13. 13
    6.2 From $3/user/mo (annual) · 30-day trial Visit site
  14. 14

    Cisco Catalyst Center

    Paid APILinuxMac+3
    6.0 Pricing on request Visit site
  15. 15

    Greenbone Community Edition

    Free plan LinuxWeb
    6.0 Free plan Visit site
  16. 16

    Dr.Web Security Space

    by Dr.Web Security Space
    Paid AndroidLinuxMac+1

    Dr.Web Security Space lists several protection categories and supports four operating systems. Compare the five-device standard plan with the separate two-PC plan before choosing.

    5.9 From $31/yr · 30-day trial Visit site
  17. 17

    McAfee Total Protection

    Paid AndroidiPhoneMac+1

    McAfee Total Protection combines device security, VPN, identity monitoring, and password management across major desktop and mobile platforms.

    5.7 30-day trial Visit site
  18. 18

    Norton 360

    by Norton 360
    Paid AndroidiPhoneMac+1

    Choose Norton 360 if you want security features, a VPN, a password manager, and parental controls across supported devices.

    5.7 From $94.99/yr · 7-day trial Visit site
  19. 19

    YARA

    Free plan LinuxMacWindows
    5.7 Free plan Visit site
  20. 20

    Emsisoft Anti-Malware Home

    by Emsisoft Anti-Malware Home
    Paid MacWindows

    Emsisoft Anti-Malware Home combines ransomware protection, quarantine, automatic remediation, and parental controls for a defined range of PCs.

    5.6 30-day trial Visit site
  21. 21

    ZoneAlarm Extreme Security NextGen

    by ZoneAlarm Extreme Security NextGen
    Paid AndroidiPhoneMac+1

    ZoneAlarm Extreme Security NextGen combines complete security coverage with ransomware protection across desktop and mobile platforms.

    5.3 30-day trial Visit site
  22. 22

    SentinelOne Singularity Endpoint

    Paid AndroidiPhoneLinux+3

    Singularity Endpoint combines several protection capabilities with centralized management across its listed platforms.

    5.0 From $179.99/yr Visit site
  23. 23

    Rapid7 InsightVM

    Paid LinuxMacWeb+1

    InsightVM combines multiple assessment methods with advanced risk prioritization and remediation tracking. Consider the 500-asset pricing basis and listed plan terms when assessing fit.

    4.9 From $1.62/mo Visit site
  24. 24
    4.8 Pricing on request Visit site
  25. 25

    ESET Endpoint Security

    Paid AndroidiPhoneLinux+3
    4.8 30-day trial Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Compare free plans, paid starting prices, trial periods and deployment options. If reading or changing code matters, check the open-source licence. Check platform support and the protection or management features you need before choosing.

Questions

Do computer security tools offer free plans?

Yes. A free plan is offered by items in this category. Check what protection and platform support the free tier includes before choosing.

Can I try a paid security product first?

A free trial is offered by items in this category. Listed examples include a 15-day trial for CrowdStrike Falcon for Mobile and a 30-day trial for ESET Endpoint Security.

Are open-source computer security tools available?

Yes. Open-source code is offered by items in this category. Review the licence to confirm whether you can read, modify and redistribute the code.

Which platforms do these tools support?

Items in this category run on Windows, macOS, Linux, the web, Android or iOS. Check the platform field for the product you are considering.

How are paid prices shown?

Pricing may be listed as a starting amount or as pricing on request. CrowdStrike Falcon for Mobile is listed from $7.99 per month; other products may require a quote.

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