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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.
- 30 apps
- Research read 28 Sept 2026
- How the order is worked out
- 1
ClamAV
Free plan Open source APILinuxMac+2ClamAV provides scanning tools, frequent database updates, and coverage across several operating systems and file formats.
- 2
Wazuh
Free plan Open source APILinuxMac+3Wazuh combines security monitoring with response capabilities and integrations for a range of environments.
- 3
Comodo Internet Security
by Comodo Internet SecurityFree plan AndroidExtensioniPhone+1Comodo Internet Security pairs core protection with isolated browsing and application use. Check the listed Windows-version limits before choosing it for an older PC.
- 4
FortiClient
Free plan AndroidiPhoneLinux+2 - 5
360 Total Security
by 360 Total SecurityFree plan Windows360 Total Security provides a free Windows plan for one device, with ransomware defense, internet protection, cleanup, and sandbox functions listed.
- 6
- 7
Suricata
Free plan LinuxMacWindowsSuricata offers network detection, prevention and monitoring capabilities, with JSON output for integrations and support for several operating systems.
- 8
Snort
Free plan LinuxSelf-hostedSnort 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.
- 9
TinyWall
Free plan WindowsTinyWall offers firewall controls and connection visibility for supported Windows desktops.
- 10
CrowdStrike Falcon for Mobile
Free trial AndroidAPIiPhone+1Choose Falcon for Mobile if your organization needs mobile threat detection, device trust visibility, and deployment options across Android and iOS.
- 11
F-Secure Total
by F-Secure TotalFree trial AndroidiPhoneMac+1F-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.
- 12
Kaspersky Endpoint Security for Business
Free trial AndroidAPIiPhone+5Kaspersky 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.
- 13
- 14
Cisco Catalyst Center
Paid APILinuxMac+3 - 15
Greenbone Community Edition
Free plan LinuxWeb - 16
Dr.Web Security Space
by Dr.Web Security SpacePaid AndroidLinuxMac+1Dr.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.
- 17
McAfee Total Protection
Paid AndroidiPhoneMac+1McAfee Total Protection combines device security, VPN, identity monitoring, and password management across major desktop and mobile platforms.
- 18
Norton 360
by Norton 360Paid AndroidiPhoneMac+1Choose Norton 360 if you want security features, a VPN, a password manager, and parental controls across supported devices.
- 19
YARA
Free plan LinuxMacWindows - 20
Emsisoft Anti-Malware Home
by Emsisoft Anti-Malware HomePaid MacWindowsEmsisoft Anti-Malware Home combines ransomware protection, quarantine, automatic remediation, and parental controls for a defined range of PCs.
- 21
ZoneAlarm Extreme Security NextGen
by ZoneAlarm Extreme Security NextGenPaid AndroidiPhoneMac+1ZoneAlarm Extreme Security NextGen combines complete security coverage with ransomware protection across desktop and mobile platforms.
- 22
SentinelOne Singularity Endpoint
Paid AndroidiPhoneLinux+3Singularity Endpoint combines several protection capabilities with centralized management across its listed platforms.
- 23
Rapid7 InsightVM
Paid LinuxMacWeb+1InsightVM combines multiple assessment methods with advanced risk prioritization and remediation tracking. Consider the 500-asset pricing basis and listed plan terms when assessing fit.
- 24
Bitdefender GravityZone Cloud Workload Security
Paid LinuxWebWindows - 25
ESET Endpoint Security
Paid AndroidiPhoneLinux+3
#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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