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Security Tools

257 tools 1,411,753 sites Section: Infrastructure
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Source: All sites   All launches   Launch platforms   StackScope Discovery   StackScope Wider Web  

The most-adopted security tool we track is HSTS (1,288,835 sites). We've detected 257 security tools across 1,411,753 public sites.

Note (Jul 1, 2026): Adoption figures now count launches from launch platforms. Use the source view to include StackScope Discovery.

Security tools we've detected

Tool 90‑day Sites
HSTS site ↗
HTTP Strict-Transport-Security (RFC 6797): site forbids HTTP downgrade.
1288835
Cloudflare Bot Management site ↗
Paid add-on that scores incoming requests for bot likelihood.
310168
Google reCAPTCHA site ↗
Bot-detection challenge service used to gate forms and logins against automated abuse.
49290
DDoS-Guard site ↗
Russian DDoS protection, CDN, and reverse proxy provider.
2462
Anubis site ↗
Open-source proof-of-work anti-bot challenge proxy.
1914
Firebase App Check site ↗
Google attestation service to verify requests come from your app.
1547
BitNinja site ↗
Server-side security suite and web application firewall that filters malicious traffic.
1499
PerimeterX site ↗
PerimeterX (now HUMAN): bot mitigation and account-takeover protection for web apps and APIs.
1451
Altcha site ↗
Open-source proof-of-work CAPTCHA alternative; uses a TXT DNS record for domain verification
1129
CleanTalk site ↗
Anti-spam, security, and form protection service popular as a WordPress plugin.
681
StackProtect site ↗
Website security and bot-filtering layer bundled with 20i hosting.
575
TrustedSite site ↗
Site security and trust badge program (formerly McAfee SECURE) showing scan and certification badges.
378
Imperva site ↗
Cloud web application firewall and DDoS protection.
352
Alibaba Baxia
Alibaba anti-bot and risk-control component used for slider captcha and fraud detection.
336
Tencent Captcha China
Bot-detection challenge service from Tencent Cloud, popular on Chinese websites.
336

Showing top 15 of 257 security tools by adoption. 242 more not shown.

The StackScope API serves every security tool and the launches using each, filterable and exportable, from £15 a month.

Launches using Security tools

Launch Launched Score
Medium Sep 4, 2026 9.0
Parley Notes Sep 4, 2026 6.5
ToolIndex Sep 4, 2026 6.0
Ironmetrics Sep 4, 2026 5.0
My Solar Monitoring Sep 4, 2026 9.7
LingoNibble Sep 4, 2026 8.6

Often built with

Categories the security sites we track also commonly use:

DNS Provider (49577) Hosting (42663) SEO (37984) CSS Framework (36901) Analytics (34935) Meta Framework (29347)