Application and network security

Penetration testing.
A practical approach.

Human-led, AI-assisted penetration testing to help you understand your exposure and decide what to address first.

When systems change, it can be hard to know whether your security assumptions still hold. We test your applications and networks against those assumptions, so you can plan improvements and make decisions about risk with evidence rather than guesswork.

Discuss an assessment

Agree the scope

Test and gather evidence

Recommend fixes

01 / Services

Test the systems
your business relies on.

Know where a weakness could affect your customers, data or day-to-day operations. We focus the assessment on your concerns and how your systems are used, helping you decide where security work will matter most.

Application testing

Understand where your application could put customer data or important business processes at risk. We investigate whether access controls and business rules can be bypassed or sensitive data exposed, giving your developers a clearer basis for deciding what needs attention before a release or as the application evolves.

More about application testing

Network testing

Understand what an intruder could reach from outside or inside your network. We investigate exposed services, configuration weaknesses and access boundaries, helping you understand which exposures matter and where changes could better protect your operations.

More about network testing

02 / Approach

Human judgment,
throughout the test.

Our testers bring hands-on penetration testing skills to every assessment. They direct the investigation and work alongside AI, testing manually to explore behavior, challenge assumptions and follow important leads. AI-assisted execution and analysis give them more time for that deeper investigation. Throughout the test, they evaluate the evidence, refine the next steps and explain what the findings mean for your business.

How AI fits into the work

A report you can put to work

Give developers the detail to plan a fix and decision-makers the context to understand why it matters. Our reports connect the evidence to the risks in your environment, with practical recommendations to help your team agree what to tackle first.

What goes into the report

Get in touch

What would you like
a clearer picture of?

Tell us about the application or network, what concerns you and any deadlines or restrictions. We will work out a sensible scope together.

info@tetsu.tech