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Free tool · Your network
Open Port Check Tool
See which ports on your office internet connection are open to the world, which are risky, and what current best practice says to do about each one.
- 24 commonly attacked ports
- Risk rating & advice
- Your IP or one you manage
Nothing is stored. We only test the IP shown, a single connection attempt per port, and never log in to or send data to anything we find.
How it works
Every open port is a door
Attackers scan the whole internet for open ports every day. Remote Desktop, file sharing and databases should never face the internet; websites, VPNs and mail can, if they're patched and protected.
Checks
Checks
Checks
Best practice, your way
Free tools. Expert help when you want it.
An open port you didn't know about is how many breaches start. Our specialists can review your firewall and keep it locked down.
Free tools
Do it yourself, anytime
Includes
- Open port check of your IP
- Blacklist checker
- Free cyber security assessment
Easy to miss on your own
- Ports opened 'temporarily' and never closed
- Old firewall firmware with known flaws
- Remote access without multi-factor sign-in
Firewall Review
Done for you, to best practice
Everything in Free, plus
- Every open port checked and explained
- Risky ports closed or moved behind a VPN
- Firmware and admin access hardened
- Plain-English report when done
Handled for you
- Every open port explained
- Risky services moved behind a VPN
- A report you can share with your insurer
Managed Security
Looked after, month to month
Everything in Review, plus
- Firewall updates and monitoring
- Secure remote access with MFA
- Changes reviewed before they go live
- Monthly plain-English report
Peace of mind
- Firewall changes reviewed first
- Firmware kept up to date
- One team to call when something changes
Keep going