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Mobile App Penetration Testing · Durham

Mobile App Penetration Testing in Durham

Mobile app penetration testing for Durham organisations, where the application runs on hardware the attacker controls. Anything enforced only in the app — a price check, a permission, a validation rule — can be observed, modified or removed entirely, so the useful question is what happens when the client is assumed hostile.

Why this comes up

The problem

Purchase validation happens in the app and the server accepts whatever the app submits.

What you get

What we deliver

  • Server-side enforcement verified for every control the app appears to apply
  • Traffic inspected, including whether certificate pinning can be circumvented
  • Local storage examined for credentials, tokens and data held unnecessarily
  • Binary reviewed for hardcoded secrets, which are recoverable however obfuscated
  • Platform protections assessed, including behaviour on rooted or jailbroken devices
  • Backend tested alongside the app, since that is where the real controls must live

Want this scoped for your business in Durham?

Thirty minutes, no charge, no sales script. You leave with a written summary of what mobile app penetration testing would actually involve — whether or not you use us.

Book a 30-minute call

Working in Durham

North East

Durham's economy is dominated by its university and cathedral, so the commercial base is small and much of the local demand comes from spinouts and suppliers attached to the institutions rather than from independent industry.

Research spinout software and visitor systems, usually on institutional procurement timelines rather than commercial ones.

Sectors we work with in Durham

  • Higher Education
  • Tourism & Heritage
  • Public Sector
  • Retail
  • Research

What we work with

Technologies and platforms

  • Frida
  • Burp Suite
  • MobSF
  • iOS and Android

Who we work with

Industries we serve

  • Financial services
  • Retail
  • Healthcare
  • Mobile app businesses
  • Transport

Why us

Why Durham businesses choose Asionis

  • Projects typically launched within 4–8 weeks
  • No long-term contracts required
  • All team members UK-based
  • Dedicated account manager and development team
  • Transparent reporting with monthly performance metrics
  • Scalable from startup to enterprise

How we work

  1. Step 1

    Free consultation

    A 30-minute call to understand the problem. You keep the written summary either way.

  2. Step 2

    Proposal

    Scope, timeline and a fixed price, in writing, before anything starts.

  3. Step 3

    Build

    Short cycles with regular check-ins, so you see progress rather than hear about it.

  4. Step 4

    Launch and support

    We handle the go-live and stay available afterwards.

Mobile App Penetration Testing in Durham — common questions

Why treat the client as hostile?
Because it is physically in somebody else's hands. The application can be decompiled, instrumented and modified, so every check within it is advisory — the only controls that hold are the ones the server enforces independently of what the app says.
Are hardcoded secrets really recoverable?
Essentially always. Obfuscation raises the effort and does not prevent extraction, so an API key or credential compiled into the application should be treated as public — which means the backend must be designed on the assumption that it is.
Does certificate pinning help?
It raises the difficulty and does not stop a determined tester. Pinning is worth implementing to deter casual interception, and it should not be relied upon as a security boundary — it can be bypassed on a device the attacker controls.
Should the backend be in scope?
It usually should, because that is where exploitation happens. Testing the app in isolation identifies client weaknesses; testing it against the API establishes whether those weaknesses lead anywhere, which is the question that actually matters.
Do you work with businesses across County Durham?
Yes. We are based in Leicester, United Kingdom and work with clients throughout North East, including Durham and the surrounding County Durham area. Most collaboration happens remotely, and we travel for kick-offs and key milestones.
What kind of Durham businesses do you usually work with?
Research spinout software and visitor systems, usually on institutional procurement timelines rather than commercial ones. Beyond that we work across Higher Education, Tourism & Heritage, Public Sector, Retail and Research.
Do you cover the areas around Durham?
Yes — we work throughout North East, including Newcastle, Sunderland, York. Durham is an urban area of roughly 70,000+, and we take on work across the wider County Durham region rather than the city boundary alone.

Talk to us about Mobile App Penetration Testing in Durham

A 30-minute call with someone who would actually work on it. No sales script, no obligation.

  • Projects typically launched within 4–8 weeks
  • No long-term contracts required
  • All team members UK-based
  • Dedicated account manager and development team
  • Transparent reporting with monthly performance metrics
  • Scalable from startup to enterprise

Or reach us directly

07707 771599admin@asionis.com

Leicester, United Kingdom