Penetration Testing

Penetration testing services, PurpleJelly IT, Surrey


In today’s digital age, businesses are bombarded with a myriad of cybersecurity challenges ranging from data breaches to sophisticated hacking attacks. Amidst this turbulent landscape, Penetration Testing emerges as a critical tool, providing invaluable insights into system vulnerabilities and security loopholes. This article delves into the essence of Penetration Testing and its strategic importance, particularly under the framework of ISO 27001 controls, in fortifying business security.

Understanding Penetration Testing

Penetration Testing is a simulated cyber-attack against your digital infrastructure to check for exploitable vulnerabilities. The main objectives of “Pen Testing” include identifying security weaknesses, verifying the effectiveness of defensive mechanisms, and meeting compliance requirements related to network and data security.

Types of Pen Testing

There are several types of Penetration Testing, each with distinct methodologies:

  • Black Box Testing: The tester has no prior knowledge of the system infrastructure.
  • White Box Testing: The tester has complete knowledge of the system infrastructure.
  • Grey Box Testing: The tester has partial knowledge of the system, providing a balance between black and white box testing.

The Penetration Testing process generally follows a structured path from planning and reconnaissance, through gaining access and maintaining presence, to analysis and reporting. This structured approach ensures thorough vulnerability identification and the formulation of strategies for mitigation.

Pen Testing offers numerous benefits such as improved risk management, ensured compliance with various standards, and enhanced security postures, ultimately protecting against potential cyber-attacks.

The Importance of Penetration Testing for Your Business

Penetration Testing is not merely a defensive tactic but a proactive and strategic approach essential for securing a business’s digital frontier. In the context of rising cyber threats and stringent compliance requirements, especially under standards like ISO 27001, the role of Pen Testing becomes increasingly significant.

Penetration Testing proactively identifies and mitigates potential security threats before they are exploited by attackers, significantly reducing potential risks to the business.

It plays a crucial role in maintaining customer trust and protecting the company’s reputation by ensuring that sensitive data is safeguarded against breaches.

While the initial investment in Penetration Testing might seem substantial, it is negligible compared to the financial and reputational damages incurred by cyber breaches.

ISO 27001 and Penetration Testing

ISO 27001 is a globally recognised standard for information security management. It outlines specific requirements for establishing, implementing, maintaining, and continuously improving an information security management system (ISMS).

The standard emphasises the importance of managing and treating technical vulnerabilities, with Penetration Testing being an integral component. Key controls from ISO 27001 that highlight the need for Penetration Testing include:

  • A.12.6.1: Management of Technical Vulnerabilities (2013) or A.8.8 Management of technical vulnerabilities (2022)
    • Organisations must assess and treat information security vulnerabilities. Pen Testing plays a key role in identifying these vulnerabilities.
  • A.18.2.3: Technical Compliance Review (2013) or A.8.8 Management of technical vulnerabilities (2022) + A.5.36 Compliance with security policies and standards
    • Organisations should conduct regular reviews of technical compliance with information security policies and standards. Pen Testing can be part of these reviews to ensure compliance.

Compliance with ISO 27001 not only enhances the security measures of a business but also underscores the critical role of Penetration Testing within this framework.


For businesses aiming to stay ahead of security threats, integrating Penetration Testing into their cybersecurity strategy is crucial. This involves not just a one-off check but a regular, comprehensive testing schedule that aligns with the company’s evolving security needs and compliance demands.

PurpleJelly specialise in providing top-tier Penetration Testing services that cater to businesses of all sizes and across industries. Our team of certified experts employs the latest tools and techniques to simulate sophisticated cyber-attacks, identifying vulnerabilities before they can be exploited by malicious entities. Here’s how we can assist your business:

  1. Customised Testing Solutions: We understand that each business has unique security requirements. Our services are tailored to meet the specific needs and compliance standards of your business, ensuring a personalised security approach.
  2. Comprehensive Vulnerability Assessment: Our Pen Testing process includes thorough assessments which not only pinpoint vulnerabilities but also provide actionable insights and recommendations for strengthening your security posture.
  3. Ongoing Support and Consultation: Cybersecurity is an ongoing battle. Beyond initial testing, we offer continual support and consultation to ensure your defences remain robust against new and evolving threats.

By partnering with PurpleJelly IT for Penetration Testing services, your business can not only meet the rigorous standards set by ISO 27001 but also foster a culture of security that protects your data, maintains customer trust, and upholds your business’s reputation.

In today’s digital landscape, the question is not if an attack will occur, but when. Proactive security measures like vulnerability testing your IT systems are no longer optional but a necessity. Let us help you stay one step ahead of potential threats. Contact us today to learn how our security testing services can fortify your business’s cybersecurity defences.

Remember, in the realm of cybersecurity, proactive defence is the best strategy. Secure your business’s future by investing in robust Penetration Testing practices today.

For the very best in Pen Testing, cyber security and business IT support, call PurpleJelly’s friendly team on 01252 856 230 or complete the contact form. Our IT support company in Surrey also serves organisations in Hampshire, Berkshire, London, and beyond.


Contact Us

If you have a question about our IT support services or products and wish to speak to one of our team, please call us on 01252 856 230 or complete our simple contact form and we’ll be in touch later today.

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Existing clients

If you are an existing PurpleJelly client with a Support Agreement, you can obtain technical support by: 

Calling the helpdesk team on 01252 856 230 selecting Option 2 

PurpleJelly Intelligent IT Solutions
Unit 11,
The Enterprise Centre,
Coxbridge Business Park,
Alton Road,
GU10 5EH