Free tools
Free ways to check your security. Start with whichever fits.
A practitioner’s look at your internet-facing systems, a quick self-assessment, or open-source tools to run yourself — all free, no commitment.
Three ways in
Have us look, check yourself, or run the tools.
Free exposure review.
We assess your internet-facing surface, flag the exposures that are actually exploitable, and walk you through what to fix first. No agent, no credentials, no commitment.
Free assessments.
Answer a short set of questions honestly and get prioritised next steps — plus matching open-source tools for each gap you have. No sign-in needed.
See all assessments →Open-source security tools.
38 free, open-source tools to build your own security monitoring — each with what it’s for and how hard it is to run.
Not sure where to start?
Start from the outside. We’ll tell you what matters.
The free exposure review is the quickest way to see what an attacker sees — reviewed by a practitioner, with the fixes in plain language.
Get my free exposure review →NO AGENT · NO CREDENTIALS SHARED · PRACTITIONER-REVIEWED