Application Security
Web Application Penetration Testing
Enterprise applications, customer portals, trading systems, SaaS platforms, and APIs are core to revenue and operations. We deliver manual, attacker-led testing to uncover exploitable flaws and provide clear remediation.
Overview
Outcome-Led Application Assurance
Modern web applications are high-velocity and high-risk. A single access-control flaw can lead to fraud, data exposure, or service disruption.
We test like an adversary but report like a product partner: clear reproduction steps, impact, and fix guidance your engineers can action. Engagements cover web apps, APIs, mobile backends, and supporting cloud configurations.
Why Atlan
Senior Operator-Led Teams
We operate a contractor-led model and provide consultant profiles for review and approval, allowing teams to be tailored to each engagement.
Manual Depth + Business Logic
We go beyond scanners to test authentication, authorization, and workflow abuse paths that drive real-world compromise.
Research-Led Tradecraft
Turul GAN was NATO DIANA shortlisted and informs our advanced testing and tooling. Explore our R&D program.
Engagement Snapshot
Discovery & Scoping
- Map critical user journeys and data flows.
- Define environments, access, and testing windows.
- Agree rules of engagement and success criteria.
Testing & Exploitation
- Auth, session, and access control testing.
- Injection, SSRF/XXE, and file handling risks.
- Business logic and API abuse paths.
Reporting & Remediation
- Atlan risk rating and evidence.
- Developer focused remediation and guidance.
- Debrief and optional retest.
Methodology & Focus Areas
PTES + OWASP ASVS, Tailored to Your Stack. We combine structured standards with manual depth and business logic testing across your full application surface.
Discovery & Mapping
Attack surface review, user journeys, and data flow mapping to target high-impact paths.
Fingerprinting
Map hosts, components, scripts, and dependencies to identify hidden exposure and weak defaults.
Platform & Dependency Risk
Validate patch levels, configuration posture, and exposed services across the stack.
Business Logic & Abuse Paths
Test workflow abuse, role escalation, and data manipulation beyond baseline ASVS controls.
Authentication & Session Control
Assess login flows, session fixation, token handling, and account recovery abuse.
Reporting & Fix Guidance
Risk-rated findings with reproducible evidence, fix guidance, and optional retest.
Outcome Focus
Actionable Findings
Findings are prioritized by exploitability and business impact, with clear remediation steps your engineers can implement quickly.
Case Studies
Anonymous Client 2: independent security assurance for cloud hosted infrastructure and client facing API, delivered on tight timelines with high-velocity reporting and remediation guidance.
Offensive security assessment of business-critical applications for a global financial services platform, with detailed reporting and tailored remediation steps.
Enquiries
Send us a brief outline of what you are looking for and we will respond directly.
Contact Us
How can we help?
Whether you represent a corporate, a consultancy, a government or an MSSP, we’d love to hear from you. To discover just how our offensive security contractors could help, get in touch.