Application Security.

Build secure applications from the very beginning.

 

Protect your applications through secure design, secure development, secure deployment and expert Application Security testing.

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Keep customer data secure and build customer confidence

Application security is not visible until it's necessary. Your customers don't rave about how secure your organisation is. Attackers certainly don't mind you putting your security posture last.

Then you either receive a penetration test report filled with issues to address, or you've left yourself exposed to a breach.

That's when you realise you should have had a robust security strategy from the very beginning.

Security controls embedded throughout your development and deployment processes would have identified issues earlier. Secure design would have driven the development of new features. Secure development practices would have reduced vulnerabilities before production. Secure deployment processes would have helped minimise the impact of compromise.

Application security isn't something you add at the end. It's something that should be embedded throughout the software development lifecycle.

Shift security left

Assuming you don't want to be hacked, or investigate why a penetration test uncovered vulnerabilities you didn't know existed, it's best practice to engage an experienced Application Security partner who can help identify security gaps early and shift security left.

An attacker equipped with the latest offensive technologies and advanced AI systems cannot exploit an application if there are no vulnerabilities and no secure design mistakes.

That's why Application Security begins long before an application reaches production.

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 Our Application Security Approach 

We help organisations improve security across every stage of application development through a combination of consulting, testing, secure code reviews and developer education.
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Secure Design
Build security into applications before development begins through secure architecture and threat modelling.
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Secure Development
 Embed secure coding practices and reduce vulnerabilities throughout development. 
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Secure Deployment
 Implement secure deployment processes, hardening and operational controls to reduce risk in production. 
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Continuous Validation
 Validate application security through penetration testing, code reviews and ongoing security assessments. 

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Application Security Testing

Our Application Security team has extensive experience identifying vulnerabilities and providing practical remediation advice.

Every consultant holds both OSCP and OSWE certifications, ensuring assessments are performed by highly experienced Application Security professionals.

In addition to client engagements, our team actively contributes to the security community through original vulnerability research and published Security Advisories.

View our Security Advisories

Why is Application Security important?

Today's applications are significantly more sophisticated than ever before.

Modern applications operate across cloud environments, APIs, third-party services and distributed networks, increasing both complexity and the potential attack surface.

Without effective Application Security practices, organisations leave themselves exposed to security threats, data breaches and unnecessary business risk.

The Missing Link acts as your safety net, identifying weaknesses across your application security ecosystem and helping you strengthen security before attackers have the opportunity to exploit them.

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FAQs

  • How does application security work?

    Application security involves implementing safeguards to protect software from threats throughout its lifecycle. This includes secure coding, vulnerability scanning, penetration testing, and continuous updates or patches. Developer upskill is another important consideration, where anyone involved in application development processes should have appropriate security knowledge and it should be always applied.

    At The Missing Link, we apply best-practice security controls across your application’s development, deployment, and maintenance phases to reduce risk and ensure regulatory compliance. Our security courses have been created to help developers think securely, not just follow established secure coding patterns. Secure design and development requires attacker-like mindset to be able to consider threat scenarios and minimise the attack surface when designing and building applications or features.

     

  • What is an application vulnerability, and how do application security risks occur? 

    An application vulnerability is a flaw or weakness in software code that can be exploited by attackers to gain unauthorised access or disrupt operations. Application security risks often arise unintentionally during the software development life cycle, due to insecure coding practices or overlooked design flaws. If not caught early through practices like secure coding or penetration testing, these vulnerabilities can be exploited by cybercriminals.

  • Why is application security important for businesses?

    Application security is essential for protecting your organisation’s sensitive data, maintaining customer trust, and ensuring compliance with regulatory standards. As applications become more interconnected and data-driven, they present attractive targets for cybercriminals.

    Without robust application security, businesses face increased risk of data breaches, financial loss, reputational damage, and legal penalties. By embedding security throughout the software development lifecycle, organisations can minimise vulnerabilities, prevent unauthorised access, and ensure their digital services remain secure and resilient.

  • What are the best practices to mitigate vulnerabilities?

    • Train your developers in both secure design and secure coding techniques to help prevent common flaws and build secure applications from the ground up.
    • Next, ensure you follow the secure design principles during software architecture.
    • Embed security throughout the software development lifecycle with application security testing tools, good unit and integration testing which covers security cases, and additional security reviews.
    • Conduct ongoing assessments, including penetration testing and code reviews.
    • Engage cyber security experts like The Missing Link to identify advanced or hard-to-spot vulnerabilities early.

     

    By applying these measures, organisations can reduce their attack surface and build more resilient applications.

  • What is the difference between application security and network security?

    Application security focuses on identifying and addressing vulnerabilities within software applications, protecting the code, logic, and functionality from threats like injection attacks, authentication flaws, or data exposure.

    In contrast, network security safeguards the underlying infrastructure, such as firewalls, routers, and communication protocols by preventing unauthorised access, intrusion, or data loss across the organisation’s network.

    Both are essential components of a strong cybersecurity posture. At The Missing Link, we integrate application security and network security strategies to ensure comprehensive protection across your digital environment.

 Customer Success 

Helping Intrepid Travel embed security into software development

 

When Intrepid Travel wanted to strengthen Application Security across its development teams, they partnered with The Missing Link to deliver practical, tailored security training aligned to their development environment.

By helping developers understand attacker techniques, secure design principles and secure development practices, security became embedded much earlier in the software development lifecycle.

"The training made security real for our developers and gave them a clearer understanding of what they need to consider as they design and build."

Samantha Kelly | General Manager, Infrastructure & Security | Intrepid Travel