Ensure your business can withstand a real cyber-attack
We think like attackers so you don't have to face them unprepared. Apsley Technologies delivers penetration testing and red teaming that uncovers the vulnerabilities in your systems before someone else does.
What Is Penetration Testing?
A penetration test is a controlled, authorised cyber-attack against your own systems, carried out by security specialists to find weaknesses before a real attacker exploits them.
We work closely with you to find the security weaknesses that put your business at risk, meet your industry and regulatory requirements, and protect what matters most. Every engagement is scoped to your environment and delivered by experienced testers, not automated scanners alone.
- Real-world attack simulation using genuine attacker tradecraft.
- Clear, prioritised findings mapped to business risk, not just a tool dump.
- Practical remediation advice and a free retest of the fixes.
From a single web application to a full-scale red team exercise, we tailor the depth and rigour of every test to what matters most to you: protecting customer data, defending critical systems, and demonstrating security to your stakeholders, auditors and regulators.
See how we can helpWhy organisations choose Apsley Technologies
We're an independent, vendor-neutral consultancy focused on one thing: showing you exactly how a determined attacker would compromise your business, and how to stop them.
01 Led by testers, not tools
Automated scanners have their place, but they miss the flaws that matter most. Our engagements are driven by hands-on specialists who chain vulnerabilities together the way a real adversary would.
02 Findings you can act on
Every report translates technical risk into plain business language, ranks issues by real-world impact, and gives your team a clear, prioritised path to remediation.
03 A partnership, not a one-off
Security isn't a single event. We retest your fixes, stay available to your team, and help you build assurance into your development and cloud practices over time.
Services
A comprehensive range of offensive security assessments, tailored to your environment and your risk.
Penetration Testing & Red Teaming
We attempt to evade your preventative and detective controls to demonstrate pre-agreed scenarios such as stealing intellectual property, accessing customer data, or reaching critical systems, exactly as a real attacker would.
Application Security
We hunt for vulnerabilities and flaws in your web and mobile applications and your software development practices, helping you build security into your development lifecycle so your code is robust by design.
Infrastructure & Network Testing
Internal and external assessments of your networks, servers and build configurations to identify the misconfigurations and unpatched weaknesses that give attackers a foothold.
Cloud Security
As organisations move to the cloud, new risks and complexity explode. As AWS & Azure specialists, we assess your current cloud programmes, identify threats and address the gaps in your configuration and identity controls.
AI Penetration Testing
As organisations adopt AI and large language models, they open up an entirely new attack surface. We test your AI-powered applications for prompt injection, model manipulation, training-data and privacy weaknesses, and insecure integrations, aligned to standards such as the OWASP LLM Top 10, so you can deploy AI with confidence.
Vulnerability Assessment
Regular, structured scanning and review to give you continuous visibility of your exposure between full penetration tests, so nothing critical slips through unnoticed.
Our Approach
A clear, transparent methodology that keeps you informed at every stage of the engagement.
Scope & Plan
We work with you to define clear objectives, boundaries and rules of engagement, so the test targets what matters most to your business and runs safely.
Test & Exploit
Our specialists probe your systems using the same techniques as real attackers, safely chaining weaknesses together to demonstrate genuine, exploitable risk.
Report & Retest
You receive a clear, prioritised report with practical remediation advice, followed by a retest to confirm your fixes have closed the gaps for good.
Ready to test your defences?
Find out how a determined attacker would view your organisation, and what it takes to shut them out. Get in touch for a no-obligation conversation about your security testing needs.
Frequently Asked Questions
Common questions about penetration testing and how we work. Can't find what you're looking for? Get in touch and we'll be happy to help.
What's the difference between a penetration test and a vulnerability scan?
A vulnerability scan is an automated check that lists potential weaknesses. A penetration test goes much further: a skilled tester manually verifies those weaknesses, chains them together, and safely exploits them to prove the real-world impact, cutting through the noise to show what actually puts your business at risk.
How often should we have a penetration test?
As a baseline we recommend testing at least annually, and after any significant change to your systems, applications or infrastructure. Organisations in higher-risk sectors, or with frequent development cycles, often benefit from more regular testing.
Will testing disrupt our live systems?
Protecting your operations is central to how we work. We agree clear rules of engagement up front, schedule testing to suit you, and take a careful, controlled approach. Any high-impact activity is only ever carried out with your explicit prior agreement.
What do we get at the end of an engagement?
You receive a comprehensive report with an executive summary for stakeholders, detailed technical findings ranked by risk, and clear, practical remediation guidance. We'll walk your team through the results and retest your fixes to confirm they've resolved the issues.
Is our data kept confidential?
Absolutely. Confidentiality is fundamental to security testing. All engagements are covered by strict confidentiality terms, findings are handled securely, and sensitive data is only ever accessed to the extent needed to demonstrate risk within the agreed scope.
Contact
Tell us what you'd like to secure and we'll get back to you to discuss a tailored penetration testing engagement.
Email Us
Send us a message using the enquiry form and we'll reply by email.
Location
United Kingdom
Response Time
We aim to reply to all enquiries within one working day.