Next-Day Pen Testing
Next-Day Pen Testing
Next-Day Pen Testing
I’d recommend CyberLab not just for their expertise in the whole cyber security area, but for their personalised and professional approach.
Meet The CyberLab Team
Decade of Expertise
CyberLab’s penetration test team, previously Armadillo Sec, has been in the industry for close to a decade
Highly Certified Team
14 strong test team – 7 CHECK team leaders – 6 CTM’s
Expertise You Trust
Senior consultants over 15 years penetration testing experience
Top Firm Backgrounds
Consultants who have worked for the UK’s biggest security companies
SC Level Cleared
Consultants are Security Check (SC) cleared (Secret and Supervised Top Secret)
Fully Vetted Consultants
Team of NPP V3 police cleared consultants
Our Most Popular Pen Testing Services
Internal Infrastructure Pen Testing
Cloud Security Reviews
Azure/ Microsoft 365, AWS, Google
Web Application Pen Testing
Web Sites, Web Applications, Mobile Apps, API’s
Red Team Testing, Scenario or Threat Simulation Testing
Why Should You Choose CyberLab?
Thousands of organisations across the UK trust us.
CREST & CHECK Accredited
We are CREST and CHECK Green Light testing company: Not all Test companies are both.
CREST Infrastructure
Not all test companies have App testing.
Experienced & Senior Consultants
Senior consultants with over 15 years of industry experience
5-Star Communication Throughout
We create Slack channels for direct team communication.
Clear and Concise Reports
Easy to understand reports
with detailed findings and recommendations
Specialised Testing Teams
We have specialist teams for Cloud, Application and API testing
Developer-Testers for Deeper Testing
Our testers are ex-developers who use coding knowledge for deeper testing.
We Save You Time and Money
Provide higher quality testing in less time (clients tell us this)
Backed by Our Customers
We’re rated Excellent on Trustpilot
80%
of our business is repeat business.
96%
of asked customers would recommend our team to a friend
A great place to work and be a customer
Penetration testing methodology and process
The way we structure our Pen Tests aligns closely with the steps taken by bad actors to target and compromise your systems. We replicate the approach of real-world adversaries to simulate and evaluate how your systems and processes respond to a cyber attack.
1. Planning and Scoping
2. Research, Reconnaissance and Enumeration
3. Threat Analysis
4. Exploitation
5. Reporting
6. Remediation
One of our CREST, CHECK, and Cyber Scheme certified consultants will work with you to define the scope of the engagement and ensure that our tests will fulfil your requirements.
Your assigned consultant will gather information on your organisation, including:
- IP addresses of websites and MX records
- Details of e-mail addresses
- Social networks
- People search
- Job search websites
This information will assist in identifying and exploiting any vulnerabilities or weaknesses.
- Attack avenues, vectors, and threat agents
- Results from Research, Reconnaissance and Enumeration
- Technical system/network/application vulnerabilities
Once we have identified vulnerabilities, we will attempt to exploit them in order to gain entry to the targeted system.There are three phases to this stage:
Exploit – use vulnerabilities to gain access to a system, e.g. inject commands into an application that provide control over the target.
Escalate – attempt to use the exploited control over the target to increase access or escalate privileges to obtain further rights to the system, such as admin privileges.
Advance – attempt to move from the target system across the infrastructure to find other vulnerable systems (lateral movement) potentially using escalated privileges from target systems and attempting to gain further escalated privileges and access to the network.
1. Planning and Scoping
One of our CREST, CHECK, and Cyber Scheme certified consultants will work with you to define the scope of the engagement and ensure that our tests will fulfil your requirements.
2. Research, Reconnaissance and Enumeration
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3. Threat Analysis
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4. Exploitation
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5. Reporting
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6. Remediation
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Strategy and Flexibility
Flexible, Scalable Support
CyberLab is large enough for complex projects yet small enough to stay flexible and work as an extension of your security team.
Building Lasting Security
We work with clients to develop long term security
strategies.
From Strategy to Action
We help turn that strategy into preplanned and scheduled
projects.
Smart Testing Bundles
Bulk testing days cut admin, cover BAU or urgent needs, allow add-ons, and roll over unused time.
From Risk to Resolution
Our Vendor Partners
We work closely with the market leading cyber security vendors to build solutions that will keep your systems safe. By leveraging our vendor relationships you can expect the highest quality of advice and guidance at the best possible price point.
Penetration Testing FAQs: Comprehensive Guide for Businesses
Penetration testing (also known as pen testing) is a simulated cyberattack designed to identify and exploit vulnerabilities in your IT systems. It helps organizations:
- Detect security weaknesses before attackers do
- Evaluate incident response capabilities
- Ensure compliance with cybersecurity standards
- Improve staff awareness and security posture
CyberLab’s approach is built around Detect. Protect. Support., ensuring proactive and strategic security.
CyberLab provides a wide range of penetration testing services, including:
- External Infrastructure Testing
- Internal Infrastructure Testing
- Cloud Security Reviews (Azure, AWS, Google Cloud)
- Application Testing (Websites, Web Apps, Mobile Apps, APIs)
- Red Teaming and Threat Simulation
Specialist teams include ex-developers who bring deep technical insight into application and API testing.
CyberLab’s penetration testing team is:
- CREST, CHECK, and Cyber Scheme Certified
- Composed of 14 testers, including 7 CHECK Team Leaders and 6 CTMs
- Experienced with over 15 years in the industry per senior consultant
- Cleared for Security Check (SC) and NPP V3 Police vetting
This ensures high-quality, trusted testing across sectors and industries.
CyberLab stands out due to:
- Dual CREST & CHECK accreditation
- App and API testers with development backgrounds
- Clear, actionable reports tailored for technical and non-technical audiences
- 5-star communication via Slack or Teams
- Flexible bulk purchase model for testing days
- Trusted by thousands of UK organizations
Penetration testing costs vary based on scope, complexity, and type of test.
CyberLab offers bulk purchase options for testing days, allowing flexible use across business-as-usual and urgent projects, reducing administrative overhead.
| Feature | Vulnerability Assessment | Penetration Testing |
| Purpose | Identify known vulnerabilities | Simulate real-world attacks |
| Method | Automated scanning tools | Manual and automated testing |
| Depth | Surface-level | In-depth exploitation |
| Output | List of vulnerabilities | Detailed report with risk ratings and remediation |
| Use Case | Regular checks | Compliance, risk validation, strategic security |
- Planning & Reconnaissance
Define scope, objectives, and gather intelligence (e.g., domain names, IPs). - Scanning
Identify live hosts, open ports, and vulnerabilities using automated tools. - Gaining Access
Exploit vulnerabilities to simulate attacker behavior and gain control. - Maintaining Access
Test persistence techniques and evaluate how long an attacker could remain undetected. - Analysis & Reporting
Deliver a comprehensive report with findings, risk ratings, and remediation steps. CyberLab ensures clarity and support throughout this phase.
Penetration testing should be performed:
- Annually
- After major system changes
- Before launching new applications
- When required by compliance standards
CyberLab supports long-term security strategies with preplanned and scheduled testing.
No. CyberLab’s consultants work flexibly and communicate clearly to minimize disruption. Testing can be scheduled during off-peak hours and tailored to your environment.
CyberLab provides:
- A detailed report with findings and remediation guidance
- A debrief session with testers
- Ongoing support for issue resolution
Our commitment to Detect. Protect. Support. ensures continued security improvement.