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Best Website Security Software in 2026
Website security software helps protect sites and web applications from attacks, malware and vulnerabilities. Tools in this category run as web services, APIs or self-hosted software, with platform support that can include Linux, Windows and macOS.
- 27 apps
- Research read 28 Sept 2026
- How the order is worked out
- 1
Cloudbric
Free plan AndroidAPIExtension+4Choose Cloudbric if you need managed web and API protection or cloud WAF management, or want a VPN with a free tier and paid plans.
- 2
Detectify Surface Monitoring
Free plan APIWebDetectify Surface Monitoring combines continuous asset discovery with broad vulnerability checks, configurable rules, and integrations.
- 3
ModSecurity
Free plan LinuxMacSelf-hosted+1ModSecurity offers an open-source WAF engine that runs within a compatible web server and can operate with or without the OWASP Core Rule Set.
- 4
OWASP Coraza WAF
Free plan APILinuxMac+1Coraza offers several deployment forms, a broad connector list, and Core Rule Set compatibility for API and web application protection.
- 5
MalCare
Free plan Self-hostedWebMalCare 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
Patchstack
Free plan APIWebChoose Patchstack if you need website vulnerability mitigation for WordPress components or npm dependencies, with targeted rules and API workflows.
- 7
SiteLock
Free plan Self-hostedWebSiteLock 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.
- 8
Acunetix
Free trial APILinuxSelf-hosted+2Choose Acunetix if your organization needs dynamic scanning across web applications and APIs, with evidence to assess findings and integrations for issue tracking.
- 9
Virusdie
Free plan APIWebVirusdie combines malware cleanup, firewall controls, and vulnerability management for websites.
- 10
Shield Security
Free plan WebChoose Shield Security if you need WordPress protections for a site or client portfolio, with a free option for core hardening and bot protection.
- 11
Astra Security
Free trial APIWebAstra Security combines automated scanning with human-led penetration testing and coverage for APIs and cloud infrastructure.
- 12
Google Cloud Secret Manager
Free plan Web - 13
AWS WAF
Paid APIWebAWS 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.
- 14
Cloudflare Advanced Certificate Manager
Paid APIWebAdvanced Certificate Manager combines automated certificate handling with customization and API controls.
- 15
Invicti
Paid APISelf-hostedWebChoose Invicti if your team needs application and API security testing with risk prioritization, remediation context, and connections to development tools.
- 16
NinjaFirewall
Free plan - 17
Quttera
Free plan Web - 18
Azure Web Application Firewall
Paid WebAzure Web Application Firewall combines edge deployment with managed rules, API protection, bot management, and rate limiting.
- 19
Barracuda Web Application Firewall
Paid Web - 20
F5 WAF for Distributed Cloud
Paid APISelf-hostedWeb - 21
Fastly Next-Gen WAF
Paid LinuxWeb - 22
FortiWeb
Paid WebFortiWeb combines managed rule sets with API protection and bot management. Organizations considering it will need to request pricing and assess its hybrid deployment model.
- 23
Imperva Web Application Firewall
Paid Web - 24
Rapid7 InsightAppSec
Paid WebWindowsInsightAppSec provides a broad listed scanning and reporting set in a hybrid deployment. Review the annual billing requirement and paid-only access against your testing workflow.
- 25
Radware Cloud WAF Service
Paid Web
#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 limits, trial length, paid starting prices and licensing before you choose. Check whether the tool includes a web application firewall, malware scanning or removal, vulnerability scanning, backups and the number of sites covered.
Questions
Are free plans available for website security software?
Yes. A free plan is offered by tools in this category, but the included protections and limits vary. Check the plan details before relying on it.
Can I try a paid website security tool first?
Trial offers are available from tools in this category. Trial lengths differ, including 7-day, 14-day and 30-day offers, so check the terms.
What does a web application firewall do?
A web application firewall filters traffic to a web application and can help block unwanted requests. Compare whether this feature is included in the plan you want.
Should malware scanning and removal be separate checks?
Yes. Malware scanning looks for malicious software, while malware removal addresses detected malware. Check whether the product provides one or both.
Do these tools include backups?
Backup inclusion is a comparison field for this category. Check the product's plan details to see whether backups are included.
Can I run website security software on my own server?
Self-hosted options are represented in this category. Confirm the supported operating system and deployment requirements before choosing one.