The most common areas selected for penetration testing scope typically include external networks, internal networks, web applications, wireless networks, and employee security awareness (through social engineering). These are typically all performed as part of a single engagement, but differ in their testing approach.
Web Application Penetration Test: Based on the sensitivity or value of a web application, an in-depth review is appropriate. There are over 100 specific areas reviewed within each web application. Testing initially begins with conducting information gathering followed by testing configuration and deployment management, identity management, authentication, authorization, session management, data validation, error handling, cryptography strength, business logic, client side security, and other development language specific tests as appropriate. HALOCK’s approach to assessing web applications provides a flexible framework for comprehensively identifying and evaluating technical vulnerabilities. Testing is typically performed with prior knowledge to ensure a deep understanding of the purpose of the application. Credentials are provided to facilitate a review not only from the perspective of an unauthorized user, but also to identify potential authenticated risks such as privilege escalation from an authorized user’s perspective.
External Network Penetration Test: External network penetration tests focus on the internet facing network as a whole. It begins with reconnaissance to identify potential targets. Any responding network, host, or service may be targeted as a potential entry point into the secured network. While web applications identified may be utilized to gain entry, network penetration testing goes much broader to explore any exposed service and the relationships between them. Vulnerabilities leveraged are pursued to exploit weaknesses and escalate privileges into the internal network.
Internal Network Penetration Test: Internal network penetration tests are very similar to external penetration tests with the exception of perspective. While an external penetration test is performed remotely to simulate an external attacker, an internal penetration test is performed internal to the network from behind the perimeter firewalls. The general approach is the same as an external penetration test, however the target systems and networks are very different. Performing onsite testing allows the penetration tester to target hosts not exposed externally such as file servers, user workstations, domain controllers, internal application servers, databases, and other connected devices.
Internal Wireless Penetration Test: Wireless penetration tests assess the adequacy of multiple security controls designed to protect unauthorized access to your wireless services. Testing analyzes and attempts to exploit wireless vulnerabilities to gain access to private (protected) wireless SSIDs authorized for testing. Additional test scenarios may be performed, such as when guest wireless access is provided to visitors with expectations that access is limited in some way.
Social Engineering: Remote social engineering is a remote assessment performed under controlled conditions designed to validate the effectiveness of user security awareness and incident response processes. Testing includes leveraging a carefully crafted fictitious “malicious” website, email campaigns to targeted employees, phone contact, or through other customized attack scenarios. This is commonly performed shortly after security awareness training or education campaigns to validate their effectiveness.
Remediation Verification: Remediation verification testing validates identified vulnerabilities have been successfully remediated, providing independent confirmation that corrective measures have been implemented in a manner that prevents exploitation.
HALOCK is headquartered in Schaumburg, IL, in the Chicago area and advises clients on reasonable information security and conducts pen testing services throughout the US.