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URLSiege — Security Scanning for Developers
Passive security scanning for your live site. 16 modules check SSL, headers, DNS, open ports, exposed files, and AI crawler exposure. AI-narrated report.
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87 % |
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Nandix — Nothing passes without inspection
Unified security scanning hub by ShunyaX Private Limited. API, website, and AI security — paste a URL, get a graded report.
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87 % |
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SSL/TLS Certificate Checker - SSLtest
Free SSL/TLS checker: certificate chain, hostname match, expiry, ciphers, vulnerabilities, HSTS, CAA, and revocation for any host on 14 protocols.
|
85 % |
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MCP Scanner — Scan your MCP servers before attackers do. · by codelake
Free security scanner for Model Context Protocol (MCP) servers. Finds auth bypass, injection, SSRF, hardcoded secrets and 30+ vulnerabilities in seconds — we...
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85 % |
|
HTTP Security Header Scanner | HeaderSec
Scan any public URL for HTTP security headers, get a clear score, and see actionable fixes for HSTS, CSP, clickjacking, MIME sniffing, and more.
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85 % |
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httpdigr — HTTP & TLS diagnostics
Comprehensive HTTP and TLS diagnostics — certificates, protocol support, security headers, redirects, and exposed infrastructure, checked in seconds.
|
85 % |
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SiteShield Scanner — Know What's Exposed on Your Website
Non-destructive website security assessment: HTTP headers, TLS certificates, DNS records, WordPress configuration and common exposure points, with a transpar...
|
85 % |
|
SecHound — Security scans for modern web apps
Scan your local Next.js or Node app with a CLI. SecHound finds secrets, injection, XSS, and weak headers, then points you to the exact line to fix.
|
84 % |
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SafeCheck.au - Website Security Scanner for Australian Small Businesses
Affordable, comprehensive security scanning for websites. Identify SSL, header, OWASP, and other vulnerabilities for just $19. No subscription required.
|
84 % |
|
BoringSec — Security Audits for AI-built apps
Run evidence-backed security audits for AI-built apps. Check live URLs for exposed secrets, authorization gaps, unsafe configuration, vulnerable dependencies...
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84 % |
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KrakenProbe — AI-Powered Website Security Scanner
Scan any website for security issues in seconds. KrakenProbe checks TLS, headers, DNS, cookies, CORS, and more — with AI-powered fixes.
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84 % |
|
Scorifya, free website security score (TLS, headers, DNS & email)
Free online website security check: paste a URL for a public hardening scan: TLS/HTTPS and redirects, security headers (HSTS, CSP, framing, MIME sniffing), p...
|
84 % |
|
Headerium — URL Intelligence
Analyze any URL for headers, cache, security, SEO, compression, and performance — instantly.
|
84 % |
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Vulscan.app — passive security scanner
Vulscan inspects your domain in seconds and shows where an attacker would strike before you can react. No signup, free.
|
84 % |
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CloviScan — Find Leaked API Keys & Client-Side Secrets
Find leaked API keys and client-side secret exposure other scanners miss. CloviScan reads the JSON your page fetches at runtime, detects internal exposure, a...
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84 % |
|
Vulnerability Scanner & Website Security Check: Free
Free vulnerability scanner and website security check. Find leaked API keys, missing security headers and exposed data in seconds, built for AI-coded apps.
|
84 % |
|
SecureScanr — Free Website Security Scanner | Instant A-F Grade
Instant web security scan — check HTTP security headers, TLS certificate, DNS email security (SPF/DMARC) and cookies. Free, no login required.
|
84 % |
|
Raksha — Free Website Security & AI Visibility Scan
Run a free passive security scan of any website: TLS, headers, cookies, exposed files, plus an AI search visibility score. No credit card required.
|
84 % |
|
Sekrd — Deep security audit for AI-built apps
15 security checks for AI-built apps. Deep Supabase RLS, Firebase rules, CORS, rate limiting, IDOR, and auth flow auditing with site crawling and one copy-pa...
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83 % |
|
Kalasec | Automated Security Scanning
Automated website security scanning for founders and SMBs. Paste a URL and get a plain-English A–F report with prioritized fixes — security without a CISO.
|
83 % |
Detected social media networks