Website Security Platform

Your website
watched every second

Automated pentesting, 24/7 monitoring, and instant Telegram alerts — for WordPress, static sites, APIs, and everything in between.

No credit card required · 7 days free

scan — sitedef.io
sitedef scan --target example.com Initializing security scan... [1/6] SSL/TLS .................... ✓ A+ [2/6] Security Headers ........... ⚠ Missing CSP [3/6] Open Ports ................. ✓ Clean [4/6] WordPress Core ............. ✗ 6.2.1 (outdated) [5/6] Plugin Vulnerabilities ..... ✗ 2 found [6/6] DNS Configuration .......... ✓ Optimal Scan complete. 3 issues found. Report sent to Telegram.
What We Monitor

Everything that can go wrong,
checked every hour

🔍

Vulnerability Scanning

Automated scans for known CVEs, outdated software, and misconfigurations across your entire stack.

🔒

SSL & Certificate Monitoring

Never let a certificate expire again. Get alerts 30, 14, and 3 days before expiry.

🛡️

Security Headers

CSP, HSTS, X-Frame-Options — we check every header and tell you what to fix.

🌐

Port Monitoring

Track open ports. Get alerted the moment something unexpected opens up.

Uptime & Performance

Know when your site goes down before your users do. Response time tracking included.

📱

Instant Alerts

Telegram, email, webhook. Choose how you want to know. We deliver in seconds.

How It Works

Three steps to total visibility

01

Add your site

Enter a URL. We handle everything — no plugins, no code changes, no access needed.

02

We scan continuously

Every hour, every day. SSL, headers, ports, vulnerabilities — the full picture, always fresh.

03

Get alerts that matter

Only when something's wrong. Telegram, email, or webhook — you choose the channel.

WordPress Compatible No Plugin Required Free 7-Day Trial Cancel Anytime
Why SiteDef?

Stop stitching tools together.
One platform, everything automated.

Feature SiteDef Manual Checks SSL Labs UptimeRobot
SSL Monitoring ✅ Auto alerts 🕐 openssl + cron ⚠ One-time only
Security Headers ✅ 8 headers + scoring 🕐 curl | grep
DNS Records ✅ A, MX, NS 🕐 dig + cron
Domain Expiry ✅ WHOIS + RDAP 🕐 whois + calendar
Uptime Monitoring ⚡ Via scans 🕐 ping + cron ✅ Core
Telegram Alerts ✅ Instant
Email Alerts ✅ Direct SMTP
Historical Reports ✅ Full scan history ⚠ Uptime only
Multi-Domain ✅ Dashboard 🕐 Scripts ⚠ One by one
Free Tier ✅ 1 domain ✅ 50 monitors
Setup Time 30 seconds Hours of scripts Manual ~5 min

One dashboard replaces openssl, dig, whois, curl, ping, and a pile of cron scripts. All automated. All in one place.

Get Early Access →

No credit card · 7 days free · Cancel anytime

Pricing

Simple, transparent pricing

Free

$0
One-time scan
  • Full security report
  • SSL & header check
  • Port scan

Ready to know what's happening on your site?

7 days free. No credit card. Cancel anytime.

Get Early Access →