The Applications Your Business Runs On
Deserve to Be Built Without Leaving the Door Open.
Most security failures are not dramatic. They are the accumulated result of small vulnerabilities — an unvalidated input here, a misconfigured dependency there, an authentication flow that was never tested under adversarial conditions. We help organisations find and close those gaps before someone with the wrong intentions finds them first.
"$4.45 Million" — the average cost of a data breach in 2023. The majority originate in application-layer vulnerabilities that were present long before the breach occurred. (IBM Cost of a Data Breach Report)
Security Is Often the Last Thing Built and the First Thing Blamed.
Most applications are built by people under pressure to ship. Security, when it is considered at all, tends to arrive at the end — as a checklist, a scan, or a hope.
Vulnerabilities are built in during development and discovered far too late
By the time a security issue is found in production — through a scan, an audit, or an incident — it has often been present since the first sprint. The cost of fixing a vulnerability found in production is significantly higher than fixing one found during design. The gap between when vulnerabilities are introduced and when they are detected is where most security risk lives.
Your application surface area is larger than you think
APIs, third-party libraries, authentication flows, admin interfaces, mobile clients, webhooks, background jobs — the boundary of an application is rarely just the page a user sees. Every entry point, every dependency, and every privilege boundary is a potential vector. Knowing what you have is the prerequisite to securing it.
Compliance is not the same as security
Passing a penetration test or satisfying a compliance framework tells you that certain known criteria were met at a point in time. It does not tell you that your application is secure — against novel attack patterns, against the specific business logic of your system, or against the new code deployed since the last assessment. The gap between compliance and genuine security is where breaches happen.
Security knowledge is unevenly distributed across development teams
Most development teams contain individuals with varying security awareness — some who think carefully about attack surfaces, others who have never been taught to. Without shared standards, tooling, and review processes, security quality varies as much as the individuals producing it. That variation is what attackers look for.
Security Built Into Your Applications, Not Applied After the Fact
We work with development teams and organisations to identify vulnerabilities, strengthen architectures, embed security into development processes, and verify that the applications and APIs your business depends on resist the attacks they will face. Whether you are building something new and want security designed in from the start, or maintaining existing applications and need to understand their current exposure, we bring the technical depth and practical focus to make that work real rather than theoretical.
Application Security Has Different Stakes in Different Sectors
The threat landscape facing a financial application is different from that facing a healthcare platform or a consumer e-commerce site. The regulatory obligations differ. The data at risk differs. The consequences of a breach differ. We bring that contextual understanding to every engagement — so the security work we do reflects the specific risks, constraints, and requirements of your industry.
Financial Services & Fintech
Where the applications handling payments, accounts, and financial data are among the most targeted in any sector — and where the regulatory and reputational consequences of a breach are among the most severe.
Healthcare & Life Sciences
Where the data processed is among the most sensitive in existence, the regulatory frameworks are exacting, and the consequences of compromised systems extend beyond financial loss to genuine patient harm.
SaaS & Technology
Where the application is the product, and a security failure is simultaneously a technical incident, a customer trust crisis, and a competitive event — often in the time it takes to draft a communication to affected users.
Retail & E-commerce
Where applications handling payment data, customer accounts, and purchase history are in constant contact with an adversarial internet and subject to continuous, automated attack attempts.
Legal & Professional Services
Where client confidentiality obligations mean that a breach of the applications holding matter data, communications, or financial information carries consequences that extend far beyond the incident itself.
Government & Public Sector
Where the data held is often highly sensitive, the attack surface is publicly known, and the accountability for failures is both regulatory and political — making robust application security an operational necessity.
Education
Where student records, financial data, and research information sit in applications that are often under-resourced for security, widely accessed, and increasingly targeted by sophisticated threat actors.
Manufacturing & Critical Infrastructure
Where the applications managing operational technology, supply chain data, and production systems represent an expanding attack surface with consequences that can extend well beyond the digital environment.
Deep Technical Expertise
What we build, integrated seamlessly into your existing operations.
Penetration Testing
Simulated attacks against your web applications, APIs, and mobile clients — conducted by experienced testers who think like attackers, not like checklists. Every finding is documented with impact context and a clear path to remediation.
Secure Code Review
Expert review of your application source code for vulnerabilities — authentication flaws, injection risks, insecure data handling, business logic weaknesses — that automated scanners miss because they require understanding context, not just patterns.
API Security Assessment
Targeted assessment of your API layer — authentication, authorisation, data exposure, rate limiting, input validation, and the business logic vulnerabilities that are specific to how your APIs are designed and consumed.
Threat Modelling
Structured analysis of your application architecture to identify what could go wrong, where the highest-value targets are, and which threats are most likely and most consequential — conducted early, before the code that embeds those risks is written.
SAST & DAST Implementation
Integration of static and dynamic application security testing into your development and CI/CD pipeline — so security analysis runs continuously as part of your build process rather than occasionally as a separate activity.
Dependency & Supply Chain Security
Analysis of your third-party dependencies, open source libraries, and software supply chain for known vulnerabilities, licence risks, and the exposure created by components your team didn't write and may not be actively maintaining.
Authentication & Authorisation Review
In-depth assessment of how your application handles identity — login flows, session management, access control logic, privilege escalation paths, and the gaps between what your authorisation model intends and what it actually enforces.
Cloud Application Security
Security review of your cloud-hosted applications and their configurations — IAM policies, storage permissions, network controls, secrets management, logging, and the infrastructure decisions that determine whether your cloud environment is a platform or a vulnerability.
Mobile Application Security
Assessment of your iOS and Android applications for vulnerabilities in data storage, network communication, authentication, reverse engineering exposure, and the API contracts they depend on.
Security Architecture Review
Expert review of your application architecture — data flows, trust boundaries, cryptographic choices, secrets handling, and the design decisions that either limit or amplify your security exposure across the full system.
Secure Development Training
Practical, role-specific training for your development teams — focused on the vulnerabilities most relevant to the languages, frameworks, and application types they work with, and designed to change what developers actually do rather than what they theoretically know.
Remediation Support & Verification
Guidance on fixing identified vulnerabilities, with the technical depth to distinguish the right fix from the convenient one — and verification testing to confirm that what was fixed is actually fixed, completely, without introducing new issues.
From Understanding Your Application to Knowing Where It Is Exposed
Security assessments produce value in proportion to how well the people conducting them understand what they are looking at. A generic scan produces generic findings. A thoughtful assessment — grounded in your architecture, your business logic, and your threat landscape — produces findings that are specific, prioritised, and actionable. Here is how we ensure ours are.
Understanding Your Application and Its Context
We begin by understanding what we are assessing — your application's architecture, its data flows, its user roles, its business logic, and the threat actors most likely to be interested in it. This context shapes everything that follows. An assessment without it finds generic vulnerabilities. An assessment with it finds the ones that matter.
Scoping What We Test and Why
We define the scope of the assessment with precision — which components, which endpoints, which user roles, which threat scenarios — and explain the reasoning behind every inclusion and exclusion. You should understand exactly what is being tested, what is not, and why those boundaries were drawn where they are.
Conducting the Assessment With Technical Depth
We conduct the assessment — whether penetration testing, code review, architecture analysis, or a combination — with the thoroughness the scope demands. Automated tools find what they are designed to find. Our work goes further — into the business logic, the edge cases, the authentication flows, and the privilege boundaries that require human understanding of the application to assess.
Reporting Findings With Context and Priority
Every finding is documented with technical detail, reproduction steps, impact assessment, and a prioritised remediation recommendation. We write for two audiences — the development team who needs to fix the issue, and the leadership who needs to understand the risk and make decisions about it. Neither should have to translate the report for the other.
Supporting Remediation and Verifying Fixes
We remain engaged through remediation — answering questions, reviewing proposed fixes, and flagging when a remediation addresses the symptom rather than the root cause. When fixes are in place, we verify them — because the only meaningful measure of a finding being resolved is a test that confirms it can no longer be exploited.
Who This Works Best For
Application security work creates the most meaningful value in specific conditions. We would rather help you understand what kind of engagement your situation actually calls for than propose an approach that doesn't fit.
You are building or maintaining applications that handle sensitive data
Financial information, health records, personal data, authentication credentials, business-critical intellectual property — if your applications handle these, the consequences of a vulnerability being exploited are significant enough to justify rigorous, expert security assessment rather than automated scans alone.
You are approaching a significant release, compliance requirement, or third-party review
A major version release, a customer security questionnaire, a regulatory audit, or a partner due diligence process — these moments create the forcing function for security work that should have been continuous. We can help you prepare, and we can help you build the processes that mean you are always prepared.
Your development team builds quickly and security review hasn't kept pace
In fast-moving teams, the gap between deployment velocity and security review frequency is where exposure accumulates. Whether the answer is a point-in-time assessment, ongoing security support, or embedding security tooling in your pipeline — we help you close that gap in a way that fits how your team actually works.
You have had a security incident and need to understand how and why
A breach, a suspected compromise, or an anomaly that raised concern — understanding the root cause, the scope of exposure, and the changes needed to prevent recurrence requires the kind of application-level investigation that takes technical depth and objectivity. We bring both.
And when a different kind of engagement might serve you better
If your application is in very early development and the architecture is still fluid, threat modelling and security design review will produce more value than penetration testing — you cannot usefully test what hasn't been built yet. If your primary concern is infrastructure or network security rather than application security, that calls for a different scope. We will tell you clearly when a different engagement type, a different scope, or a different sequence of work would serve you better than what you initially had in mind.
Security Work That Produces Clarity, Not Just Compliance
Every engagement we conduct produces documentation that is genuinely useful — to the developers fixing what was found, to the leadership making decisions about risk, and to the organisation building the processes that prevent the same findings next time.
A detailed, prioritised findings report
Every vulnerability documented with technical detail, a clear reproduction path, an honest assessment of real-world impact, and a prioritised remediation recommendation — written to be understood by the people who need to act on it, not to demonstrate the volume of the work performed.
An executive summary for non-technical stakeholders
A clear, jargon-free summary of the security posture, the most significant findings, and the recommended priorities — written for the leadership audience who needs to understand the risk and allocate resources accordingly, without needing a technical background to do so.
Remediation guidance with technical depth
Specific, actionable guidance for fixing every finding — not generic references to documentation, but concrete recommendations for the specific code, configuration, or architectural change that resolves the issue correctly and completely.
Verification testing on remediated findings
Retesting of the vulnerabilities identified to confirm that the fixes applied are effective — because telling a client that something has been fixed without testing it is not security assurance, it is paperwork.
A roadmap for ongoing security maturity
A clear view of the security practices, tooling, and process changes that would reduce your exposure over time — prioritised by impact and practicality, and designed to be implemented by your team rather than dependent on our continued involvement.
The Kinds of Problems We Are Built For
Every organisation that comes to us arrives with something specific. Here are the situations where application security work has made a genuine, lasting difference.
Fintech
A fintech startup was approaching its Series B and facing security due diligence from institutional investors for the first time. Their application handled payment data and user financial records, and had been built at pace by a small engineering team. We conducted a comprehensive penetration test and code review, identified seventeen vulnerabilities including two critical authentication flaws that would have allowed account takeover without credentials, and worked with the team through remediation. The due diligence process completed without security becoming a deal issue. The two critical findings, had they been discovered by an attacker rather than us, would have been a different kind of story.
Healthcare
A digital health platform handling patient records and appointment data was required to demonstrate security assurance as part of a contract with an NHS trust. Their previous penetration test had been conducted by an automated tool and produced a clean report that did not reflect the actual security posture of the application. We conducted a manual assessment focused on the application's specific data flows and access control model, found a broken object-level authorisation vulnerability that allowed any authenticated user to access any other user's records, and supported the team through a thorough remediation. The contract proceeded. The trust's security team noted the quality of the assessment report specifically.
SaaS
A B2B SaaS company was receiving increasingly detailed security questionnaires from enterprise prospects and losing deals where they could not demonstrate adequate security assurance. We conducted an application security assessment, helped them implement SAST tooling in their CI/CD pipeline, and produced the documentation framework they needed to respond to enterprise security reviews confidently and accurately. Within two quarters, security had moved from a deal-blocker to a competitive differentiator in their enterprise sales motion.
E-commerce
A retail brand had suffered a data incident in which customer payment information was compromised through a vulnerability in their checkout flow. They needed to understand the full scope of the incident, close the vulnerability, and verify that no similar weaknesses existed elsewhere in the application. We conducted a post-incident assessment, identified the root cause — an input validation failure in a legacy payment integration that had not been touched in three years — mapped the full scope of exposure, and conducted a comprehensive review of the surrounding codebase. The remediated application passed the subsequent PCI DSS assessment without material findings.
Legal Services
A law firm had built an internal matter management application that held highly confidential client communications, documents, and financial data. The application had grown considerably from its original scope and had never been formally security assessed. We conducted a security architecture review and penetration test, found significant issues in the authentication model and file access controls, and produced a phased remediation plan that the firm's internal development team could execute without external dependency. The partners were candid that the findings had made them realise how much risk they had been carrying without knowing it.
The Immediate and Lasting Value
Vulnerabilities found by the people you hired, not the people you didn't
Every vulnerability we find is one that an attacker did not find first. The value of that is not theoretical — it is the incident that did not happen, the data that was not exposed, the breach notification that was not sent.
Findings that are specific to your application, not generic to the category
A vulnerability in your business logic is not something an automated scanner finds. It requires someone who understands how your application is supposed to work, where the assumptions are, and what happens when those assumptions are wrong. That is the security work that produces real protection.
Security knowledge that stays in your team after we leave
We explain what we found, why it matters, and how to prevent it — in terms that your developers can internalise and apply to the code they write next. The goal is a team that builds more securely, not a team that depends on external assessment to catch what they missed.
A clear, honest picture of your actual risk
Not a report generated to justify the engagement fee. A genuine assessment of where your application is exposed, how serious each exposure is, and what the realistic impact of exploitation would be — so your leadership can make informed decisions about remediation priority and investment.
Security that keeps pace with your development
A single penetration test is a snapshot. Embedding security tooling in your pipeline, training your developers, and establishing ongoing review processes creates security that moves with your codebase rather than falling behind it.
Confidence in the conversations that depend on it
Enterprise sales conversations, investor due diligence, regulatory audits, customer security questionnaires — the ability to speak credibly about your application security posture is a business asset. We help you build the foundation that makes that credibility real.
What Changes When Security Is Taken Seriously, Before an Incident Forces It
These are the kinds of outcomes our clients experience — not as projections, but as the natural result of conducting security work with depth, honesty, and a genuine commitment to finding what matters rather than what is easy to find.
85%+
Of critical and high severity vulnerabilities identified through manual assessment that were not found by automated scanning alone
6–10×
Lower cost to fix a vulnerability found during assessment than one found during an incident or disclosed externally
100%
Of identified critical findings retested and confirmed resolved before the engagement closes — no finding is marked remediated without verification
2–4 weeks
Typical time from engagement kickoff to delivery of a comprehensive findings report for a focused web application assessment
Trusted With Access. Accountable for What We Do With It.
Security assessments require access — to your code, your environments, your data, and sometimes your production systems. We take the responsibilities that come with that access with the seriousness they deserve.
Access granted for assessment is used only for assessment
The credentials, code access, environment access, and data we encounter during an engagement are used exclusively for the purposes of the security work. We operate within defined boundaries, document what we access, and return or destroy sensitive materials at engagement close according to agreed protocols.
We disclose what we find, completely and honestly
A security assessment that softens findings to avoid difficult conversations has not served its client — it has served the comfort of the moment at the expense of the organisation's security. We report what we find, at the severity it merits, with the clarity that makes it actionable. If the findings are difficult, that is the point.
We do not retain vulnerability information beyond the engagement
Details of vulnerabilities identified in your systems are not retained, referenced, or used in any context beyond the engagement they were identified in. Our records retention and data handling practices are defined in our engagement agreement and followed without exception.
We operate within legal and ethical boundaries, always
Every assessment we conduct is performed within the scope explicitly authorised by you. We do not test outside agreed boundaries, we do not conduct assessments of systems we do not have explicit permission to test, and we are transparent about the legal frameworks that govern responsible security testing and how we operate within them.
The Values Behind Every Security Engagement We Conduct
We prioritise finding the things that matter over finding a lot of things
A penetration test that produces forty medium-severity findings and misses the critical authentication bypass that would have given an attacker full access to your user database has not served you well, regardless of its volume. We focus our effort on the vulnerabilities that carry real impact for your specific application and your specific threat landscape — and we are honest when our findings suggest your security posture is stronger than you expected, rather than inflating results to justify the engagement.
Technical depth is not negotiable
Automated scanners are tools, not assessments. They find known signatures efficiently. They do not understand your business logic, your authentication model, or the specific combination of design decisions that creates a vulnerability no signature database has seen before. Our work is conducted by experienced practitioners who understand application security at the level required to find what matters — and we are direct about the difference between an automated scan and a manual security assessment.
Reports are written to be used, not to be filed
A security report that sits in a shared drive because no one knows what to do with it has produced no security value. We write for the developers who will fix the findings, the architects who will change the design patterns, and the leadership who will allocate the resources — in language that each of those audiences can act on without needing a translator.
Security relationships are longer than assessments
The organisations that improve their security posture over time are not the ones that commission an annual penetration test. They are the ones that treat security as a continuous practice — embedding it in their development process, updating their assessment scope as their application evolves, and building the team knowledge that reduces the need for external remediation. We work with clients who want that kind of ongoing relationship, and we design our engagements to move them toward it.
Common Questions
The Vulnerabilities in Your Applications Exist Whether You Know About Them or Not.
Tell us about the applications you depend on and what you know — and don't know — about their current security posture. We will be straightforward about what kind of assessment your situation calls for and what it would involve.
No pitch decks. No obligations. Just an honest conversation about what is in your applications and what it would take to know for certain.