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Best Web Security Software in 2026

Web security software helps protect websites, APIs and users from threats such as phishing, malware, harmful bots and denial-of-service attacks. This list is for people choosing a security service or deployment that fits a limited budget.

  1. 1

    Cloudflare Gateway

    Free plan AndroidAPIiPhone+4
    7.5 Free plan · paid from $7/user/mo Visit site
  2. 2

    DNSFilter

    Free plan AndroidAPIExtension+6

    Choose DNSFilter if your organization needs protective DNS, content filtering, and deployment across networks or roaming devices.

    7.5 From $1/mo (annual) · 14-day trial Visit site
  3. 3

    Gcore WAAP

    Free plan APIWeb

    Gcore WAAP combines web, API, bot, and application-layer DDoS protections in a reverse proxy deployment. Compare domain and request allowances, add-ons, and overage charges when choosing a plan.

    7.1 Free plan · paid from €25/mo Visit site
  4. 4

    OWASP Coraza WAF

    Free plan APILinuxMac+1

    Coraza offers several deployment forms, a broad connector list, and Core Rule Set compatibility for API and web application protection.

    7.1 Free plan Visit site
  5. 5

    open-appsec

    Free plan LinuxSelf-hostedWeb

    Choose open-appsec if you need open-source web and API protection with local traffic processing and deployment options across Kubernetes, Linux, or Docker.

    7.0 Open source Visit site
  6. 6

    MalCare

    Free plan Self-hostedWeb

    MalCare offers a free detection tier and paid plans with cleanup and more frequent scans. Check the cleanup and scan limits of each tier before choosing one.

    6.9 Free plan · paid from $99/yr Visit site
  7. 7

    Patchstack

    Free plan APIWeb

    Choose Patchstack if you need website vulnerability mitigation for WordPress components or npm dependencies, with targeted rules and API workflows.

    6.8 Free plan · paid from $5/mo Visit site
  8. 8

    SiteLock

    Free plan Self-hostedWeb

    SiteLock combines scanning, removal, health reporting, and optional patching, firewall, and CDN features. Review plan differences if you need expert cleanup, PCI reporting, or faster ticket responses.

    6.7 Free plan · paid from $19.99/mo · 30-day trial Visit site
  9. 9

    Wordfence Security

    Free plan Self-hostedWeb

    Wordfence combines site scanning, endpoint firewall protection, login controls, and multi-site management.

    6.6 Free plan Visit site
  10. 10

    Google Cloud Secret Manager

    Free plan Web
    6.1 Free plan · paid from $0.03 · 90-day trial Visit site
  11. 11

    ModSecurity

    Free plan LinuxMacWindows
    6.1 Free plan Visit site
  12. 12

    DataDome API Protection

    Paid AndroidAPIiPhone+1

    Choose DataDome API Protection if you need managed, real-time API threat detection across web, mobile, and API environments.

    5.9 From $3,830/mo Visit site
  13. 13

    AWS WAF

    Paid APIWeb

    AWS WAF combines customizable request rules with managed protections for bots, account abuse and fraud. Costs depend on configured web ACLs, rules and traffic, in addition to related service charges.

    5.8 From $5/mo Visit site
  14. 14

    Cloudflare Advanced Certificate Manager

    Paid APIWeb

    Advanced Certificate Manager combines automated certificate handling with customization and API controls.

    5.7 From $10/mo Visit site
  15. 15

    Quttera

    Free plan Web
    5.5 Free plan · paid from $20/mo Visit site
  16. 16

    Cisco Umbrella

    Paid AndroidiPhoneMac+2
    5.1 Pricing on request · 14-day trial Visit site
  17. 17

    Alibaba Cloud WAF

    Paid Web

    Alibaba Cloud WAF offers core web-application defenses across prepaid tiers and a postpaid metered option.

    4.9 From $140/mo Visit site
  18. 18

    Azure Web Application Firewall

    Paid Web

    Azure Web Application Firewall combines edge deployment with managed rules, API protection, bot management, and rate limiting.

    4.9 From $5/mo Visit site
  19. 19

    Barracuda Web Application Firewall

    Paid Web
    4.7 Pricing on request Visit site
  20. 20

    Zscaler Internet Access

    Paid AndroidiPhoneLinux+3
    4.7 Pricing on request Visit site
  21. 21

    F5 WAF for Distributed Cloud

    Paid APISelf-hostedWeb
    4.5 Pricing on request Visit site
  22. 22

    Fastly Next-Gen WAF

    Paid LinuxWeb
    4.4 Pricing on request Visit site
  23. 23

    FortiWeb

    Paid Web

    FortiWeb combines managed rule sets with API protection and bot management. Organizations considering it will need to request pricing and assess its hybrid deployment model.

    4.4 Pricing on request Visit site
  24. 24

    Netskope Next Gen Secure Web Gateway

    Paid iPhoneWeb
    4.4 Pricing on request Visit site
  25. 25

    Imperva Web Application Firewall

    Paid Web
    4.3 Pricing on request 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-plan terms, trial length, paid starting prices and the protections provided. Check whether a tool runs on web, API, Linux, self-hosted, macOS or iOS environments, how it is deployed, and how many websites it covers. If you need to read or change code, review the licence before choosing.

Questions

Do these web security tools have free plans?

A free plan is offered by tools on this list. Check the individual plan terms to see what protection and coverage are included.

Can I try a web security tool before paying?

A free trial is offered by tools on this list. Trial length and conditions vary, so read the terms before starting.

What protections are compared?

The comparison covers phishing and malware blocking, web application firewalls, DDoS protection and bot protection.

Which platforms are supported?

Platforms represented on the list include web, API, Linux, self-hosted, macOS and iOS.

How much can paid plans cost?

Published starting prices range from $1 per month on an annual plan to $3,830 per month. Some vendors provide pricing on request.

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