Website Security Scanner

Know your site's
security score
in minutes.

11 scanning modules — SSL, HTTP headers, blacklists, DNS, CVEs, open ports, exposed API keys and more. Scored, actionable, and free forever.

Start free scan See all modules
11 security modules
PDF reports
100% free forever
Scanning example.com ✓ Scan complete
85 /100
SSL Certificate
92 Safe
HTTP Headers
74 Low
DNS / DMARC
88 Safe
Blacklists
100 Safe
Open Ports
70 Low
Exposed Secrets
95 Safe
CVE Lookup
65 Medium
Scan any website right now

Enter your URL — full results after free signup. No credit card needed.

11+
Security Modules
40+
Secret Patterns Detected
100%
Free Forever
PDF
Detailed Reports Included
✨ 11 scanning modules

Every threat. Every angle.

Each module is independently scored and weighted for a meaningful overall security grade.

🔒
SSL / TLS
Certificate validity, expiry, chain trust, protocol checks.
15% weight
🛡️
HTTP Headers
HSTS, CSP, X-Frame-Options, X-Content-Type, Referrer-Policy.
10% weight
🚫
Blacklists
IP reputation across 8 major DNS blacklists.
10% weight
🌐
DNS & Email Auth
SPF, DKIM, DMARC, DNSSEC, WHOIS domain expiry.
10% weight
📦
CMS Detection
WordPress, Joomla, Drupal — xmlrpc, user enum, debug.log.
5% weight
🔌
Open Ports
Parallel scan of 21 ports — flags DB, RDP, Telnet, Redis.
10% weight
⚠️
CVE Lookup
Matches software versions against NVD CVE database.
10% weight
💉
SQLi & XSS
Passive probes for injection, XSS, CSRF, GET forms.
5% weight
🍪
Cookie Security
Secure, HttpOnly, SameSite flags on every cookie.
5% weight
🕵️
Info Leakage
Exposed .env, .git, phpinfo, SQL dumps, dir listing.
5% weight
🔑
Exposed Secrets
40+ patterns: AWS, Stripe, GitHub, JWT, DB strings.
15% weight

Simple as 1 — 2 — 3 — 4

From registration to full security report in under five minutes.

1
Register
Create your free account. No credit card needed.
2
Add your site
Enter the URL you want to scan and protect.
3
Run a scan
All 11 modules check your site and score it automatically.
4
Get the report
Download a PDF report with a detailed fix guide.
Scoring

Your score at a glance

Every scan produces a 0–100 score across four clear risk levels, with per-module breakdowns.

Safe 80–100
Low 60–79
Medium 40–59
High Risk 0–39
vs. the competition

Why InfraBit Shield?

See how we compare to other popular security scanning tools.

Feature 🛡️ InfraBit Shield Sucuri SiteCheck SSL Labs SecurityHeaders
SSL / TLS Check ✓ ✓ ✓ –
HTTP Security Headers ✓ – – ✓
Blacklist / IP Reputation ✓ ✓ – –
DNS & Email Auth (SPF/DMARC) ✓ – – –
Open Port Scanning ✓ – – –
Exposed API Key Detection ✓ – – –
CVE / Version Matching ✓ – – –
Overall Security Score (0–100) ✓ – Grade A–F Grade A–F
Downloadable PDF Report ✓ – – –
100% Free Forever ✓ ✓ ✓ ✓
Trusted by teams

What our users say

Teams and developers using InfraBit Shield to protect their websites.

★★★★★

"Found an exposed .env file and open Redis port on our staging server within minutes. Saved us from a potential breach. The PDF report is detailed and actionable."

👨‍💻
Arjun Mehta
Lead Developer, IT Agency
★★★★★

"We run InfraBit Shield scans on every client site before delivery. The 11-module breakdown gives clients confidence and us a clear checklist before go-live."

👩‍💼
Priya Sharma
CTO, Digital Agency
★★★★★

"The CVE lookup caught an outdated WordPress plugin with a known exploit. No other free tool I tried offered this. And the scoring system is genuinely useful."

🧑‍🔧
Rahul Verma
Security Consultant
FAQ

Common questions

Everything you need to know about InfraBit Shield.

Yes — 100% free, no credit card required. All 11 scanning modules, unlimited website scans, and PDF report downloads are included at no cost, forever. We built this tool to give developers and businesses access to professional-grade security checks without the price tag.
Each of the 11 modules carries a specific weight (e.g. SSL is 15%, Exposed Secrets is 15%). Your overall score is a weighted average of all module scores, giving you a number from 0 to 100. Scores above 80 are Safe, 60–79 Low risk, 40–59 Medium, and below 40 High risk.
Most scans complete in 30–90 seconds depending on the site's response time and the number of checks performed. All 11 modules run in parallel where possible to keep scan times as short as possible.
No. InfraBit Shield performs passive, read-only checks. It sends the same type of requests a regular browser or search engine would make. It does not exploit vulnerabilities or modify any data on your server.
You should only scan websites you own or have explicit permission to scan. Unauthorized scanning of third-party websites may violate their terms of service or applicable laws. By using InfraBit Shield, you agree to only scan sites you are authorized to test.
The PDF report includes your overall security score, per-module scores with detailed findings, a prioritized list of issues to fix, and actionable remediation guidance for each problem detected — so you or your team can act immediately.

Free. Forever. No catch.

All 11 modules, PDF reports, unlimited websites — completely free. Start protecting your site in minutes.

✓ Unlimited websites
✓ Unlimited scans
✓ All 11 modules
✓ PDF reports
✓ Score history
✓ Fix recommendations
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