Blog
How to test software with invalid and unexpected inputs
Functional testing tells you whether your software does what it is supposed to do. It does not tell you what happens when it receives something
March 27, 2026
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Explore the latest news, industry insights, and cybersecurity tips from CyTAL
Blog
How fuzz testing finds vulnerabilities other tools miss
Every security tool has a blind spot. Static analysis finds code-level issues but cannot see runtime behaviour. Penetration testing finds what a skilled tester thinks
March 26, 2026
Blog
What is negative testing in software testing?
Software that works correctly under normal conditions is the baseline. It is not the standard. The standard is software that also handles incorrect conditions safely,
March 26, 2026
Blog
Cybersecurity as a service: what it means and what to look for
Cybersecurity as a service is a delivery model, not a specific product. It means buying security capabilities from an external provider on a subscription or
March 25, 2026
Blog
What is an MSSP? Managed security service providers explained
MSSP stands for managed security service provider. It is one of the most searched terms in cybersecurity procurement, and one of the most inconsistently defined.
March 25, 2026
Blog
ICS security: protecting industrial control systems in 2026
Industrial control systems underpin some of the most critical infrastructure in the UK. They manage energy distribution, water treatment, manufacturing processes, and transport systems. They
March 24, 2026
Blog
Cyber security monitoring: what gets missed in OT environments
Cyber security monitoring in operational technology environments is not the same problem as cyber security monitoring in IT environments. The tools are different. The protocols
March 24, 2026
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Cyber security compliance guide for UK industrial organisations
Cyber security compliance for industrial organisations is not straightforward. The frameworks that apply are numerous, the requirements they set are often technical and specific, and
March 24, 2026
Blog
Cloud security services: what does real protection actually look like?
Cloud security services have become one of the most crowded categories in cybersecurity. Every major vendor offers them. Every managed security provider includes them in
March 23, 2026
Blog
Managed cyber security services: what to look for (and what to avoid)
Most organisations buying managed cyber security services are buying on trust. They cannot fully evaluate what they are getting until something goes wrong. By then,
March 23, 2026
Blog
What is a cybersecurity risk assessment?
Most organisations know they carry cyber risk. Very few know exactly where it sits, how serious it is, or what would happen if someone decided
March 23, 2026
Blog
What is fuzz testing? A plain-English explanation
Every piece of software has been tested. The engineers who wrote it checked that it handles the inputs it was designed for. They tested the
March 19, 2026
Blog
IEC 62443 vs NIST: How the Two Frameworks Compare and When to Use Each
This page is part of the IEC 62443 compliance hub. IEC 62443 and the NIST Cybersecurity Framework are the two most widely referenced cyber security
March 12, 2026
Blog
IEC 62443 Security Levels: What They Mean and How to Achieve Them
This page is part of the IEC 62443 compliance hub. Security levels are one of the most important and most misunderstood concepts in IEC 62443.
March 12, 2026
Blog
IEC 62443 Framework: How the Standard Is Organised and How It Works
This page is part of the IEC 62443 compliance hub. IEC 62443 is not a single document with a checklist to follow. It is a
March 11, 2026