In a world where the digital landscape keeps changing, how can we effectively protect our organisations from threats?

This is a question with no one-size-fits-all answer as there are various tactics to protect your systems. However, we will be focusing on the use of black box penetration testing to identify weaknesses within your systems or networks.

There are three types of penetration tests, and they include black box, grey box and white box pen testing. Each of these tests offers a different level of access and knowledge about the target system.

• White box penetration testing involves having full access and knowledge of the target system, including the source code.
• Grey box penetration test combines elements of black box and white box testing by providing partial information about the system.

In this article, we dive into the realm of black box penetration tests and understand how they are beneficial to the security of organisations.

Black Box Penetration Testing

Black box penetration testing is a type of security assessment conducted on a system without prior knowledge of its internal workings. Here, the tester assumes the role of an external attacker with no insider information or privileged access to the system.

In the reconnaissance phase, the tester carefully examines the external parts of the target and finds possible ways to enter through the simulation of real-life tests.

Information about the target could be gotten from public sources like company websites, social media, and other access. This information helps in understanding the system’s infrastructure, technologies, and potential entry points.

The tester then proceeds to scan, test, and exploit the system using various techniques, including network scanning, vulnerability scanning, and manual testing. Picture a scenario where cyber attackers exploit unseen weaknesses, effortlessly breaching supposedly protected defences which have been heavily invested into.

Black box testing often injects an element of surprise and intrigue into the realm of testing. It embodies the spirit of an adventurous explorer venturing into uncharted territories.

Embracing the Benefits of Black Box Testing

Unlike white box penetration testing, which involves having access to internal information and source code, black box testing goes beyond surface-level security measures and explores the attack vectors that could be exploited.

By embracing the power of black box testing, organisations gain:

• A strategic advantage in the ever-changing landscape of cyber threats.
• It allows them to identify and address vulnerabilities before malicious actors have a chance to exploit them.
• Brings a wealth of knowledge and expertise to the table by working with skilled ethical hackers.
• Skilled testers navigate the digital realm, analysing systems from an outsider’s perspective and providing invaluable insights to enhance security measures.

Types of Black Box Penetration Testing

• Network Penetration Testing

Here the security experts attempt to find weaknesses in network infrastructure, such as routers, switches, firewalls and wireless networks. The tester tries to exploit weaknesses in the network to gain unauthorised access or disrupt network services.

• Web Application Penetration Testing

Here, the focus is on assessing the security of web applications, including websites, web services and web-based portals. The tester tries to identify shortcomings in the application code, server configurations, and authentication mechanisms that attackers could exploit.

• Mobile Application Penetration Testing

This type of testing targets mobile applications running on various platforms, such as iOS and Android. The tester assesses the application’s security controls, data storage mechanisms, network communication and potential flaws specific to mobile platforms.

• Wireless Network Penetration Testing

This testing involves assessing the security of wireless networks, including Wi-Fi networks. The tester examines the encryption protocols, network configurations and access controls to identify potential weaknesses that could allow unauthorised access or eavesdropping.

• Social Engineering Penetration Testing

Social engineering involves manipulating individuals to gain access or sensitive information. In this type of testing, the tester attempts to exploit human vulnerabilities, such as phishing attacks, impersonation or eliciting sensitive information through various means.

• Physical Penetration Testing

This testing assesses the physical security controls of an organisation, such as access control systems, surveillance cameras and security guards. The tester tries to access restricted areas or sensitive assets through techniques like tailgating, lock picking or bypassing physical security measures.

How Often Should You Conduct a Black Box Penetration Test?

Several factors contribute to the frequency of Black Box Penetration Tests. Some of these factors include.

• The nature of the asset being tested,
• The level of sensitivity of the data involved, and
• The evolving threat landscapes.

In general, performing black box penetration tests on a regular basis to ensure ongoing security will be ideal. This frequency could be quarterly, bi-annually, or annually, depending on the company’s risk tolerance, regulatory requirements such as ISO 27001 and budgetary considerations.

However, it’s important to note that black box penetration tests are just one component of a comprehensive security programme. Organisations should also implement other security measures such as vulnerability assessments, regular patching, security awareness training and proactive monitoring to enhance their overall security posture.

How to Choose a Black Box Pen Test Provider?

When selecting a penetration tester, it is essential to consider several factors to ensure you choose a reputable and capable provider. Here are some key considerations:

1. Expertise and Experience: Look for a test service with a proven track record in conducting black box penetration tests. Consider their experience in your industry or similar environments. Check for certifications, qualifications, and the expertise of their team members.
2. Methodology and Approach: Evaluate the provider’s testing methodology and approach to ensure they align with your objectives and requirements. They should follow recognised industry standards and best practices.
3. Comprehensive Testing: Ensure the provider offers a comprehensive range of testing techniques and tools to thoroughly assess your system’s security. This includes network scanning, vulnerability assessment, web application testing, social engineering, and more.
4. Reporting and Documentation: Assess the quality and comprehensiveness of the provider’s reporting. They should provide clear and detailed reports, including identified vulnerabilities, potential risks, and recommended mitigation measures.
5. Confidentiality and Trust: Verify the provider’s commitment to maintaining confidentiality and protecting your sensitive information. Ensure they have robust security measures in place to safeguard your data during testing and afterwards.

Black Box Penetration Testing is an invaluable tool for organisations to assess their security posture and identify potential vulnerabilities. By partnering with a reputable and experienced provider offering penetration testing services, organisations can leverage the benefits of Black Box Penetration Testing to bolster their defences and maintain a strong security posture in an ever-evolving threat landscape.

Risk Crews security testing engineers hold CREST, C√SS, C│EH and GIAC credentials with over 30 years of experience navigating the threat landscape and securing businesses. We pride ourselves in thinking deeply, questioning assumptions, detecting cause and effect, and delivering measuring results.

Get started today. Contact the right crew, Risk Crew.