WIRELESS PENETRATION TESTING
Know your unknowns through wireless penetration testing to assess, quantify the wireless security vulnerabilities and prepare a risk mitigation approach meant to reduce attack surface.
What is a wireless penetration test?
The term ‘penetration test’ is used to describe the process of hacking into a wireless network in order to discover vulnerabilities. The aim is to find weaknesses (vulnerabilities) and fix them before an attacker takes advantage of those weaknesses.
Wireless penetration testing (or wireless assessment) is an important element for businesses. This could be securing a corporate network, production or guest networks. Businesses need to be aware of the vulnerabilities in their wireless networks and take steps to protect themselves from malicious invaders that may want access to their company’s network or steal data from a corporate network or related assets such as databases.
Wireless Pentesting Methodology
01. Initial Scoping & Objectives
Our wifi security testing experts work with you to define the scope with target assets and threat scenarios based on the security concerns of the customer. Specific assessments defined against certain targets are defined under ‘white box’, ‘black box’ or ‘grey box’ methodologies to define wireless network tests cases before starting the assessment.
04. Exploitation & lateral movement
Initial foothold is gained by exploiting weaknesses identified in the wireless implementations such as authentication, broken access control flaws, direct vulnerabilities or any other stepping stones. Privilege escalation attempts and lateral movement actions are carried out to infiltrate into the internal network(s) that would open doors towards internal assets such as file servers, domain controllers, web servers.
Unauthorised access attempts to the wifi networks attacking WEP/WPA/WPA2 networks especially includes password attacks, deauth/dissociation attacks, evil twin attacks, etc. Tools include Aircrack, Reaver, coWPAtty and general pen test tools such as john the ripper/hashcat, nmap, nessus.
02. reconnaissance & IDENTIFYING NETWORKS
The reconnaissance phase works with the single objective – information gathering and analysis to provide relevant information for later stages.
Wireless pentesting combines computer hacking with site surveys. Site surveys conducted using tools such as Wireshark/Ethereal, NetSumbler, Kismet, Airomon, Airodump,etc.
It includes finding information related to individual networks and their connected clients, traffic information such as protocols, authentication, channels and related network architecture/protocol information.
05. data analysis & reporting
Our reports are written for a technical audience, but also provide business-focused information to help your company reach its goals. We take into account the risks of an attack and work with you on strategies that will not only improve security posture but make it more accessible from any device at home or in remote locations as well.
The point is we want to do everything possible than being ‘report and run’ consultancy!
03. vulnerability analysis & investigation
This phase concentrates on identifying stepping stones to attack the wireless networks. It involves a detailed analysis of wireless networks using relevant tools and techniques, finding any flaws that can be exploited to gain access. For instance, finalising the information about scanned networks, access points information, confirming the use of insecure authentication mechanisms such as WPA2, WEP or finding connected clients/systems information.
06. debrief & support
Our engagement process includes delivering a free of charge debrief to management and technical teams. This session involves help to prepare a remediation plan and Q&A to ensure that customer contacts are up to date. Cyphere also provide a remediation consultancy where we define and execute the risk mitigation plan.
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Common Wi-Fi Security Testing Vulnerabilities
Benefits of Wireless Penetration Test
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Wifi Security Testing Methodology
Wireless Assessment Scenarios
Wireless penetration testing is not the same as wardriving, although the process of wardriving can be used in order to find potential targets.
War Driving (sometimes referred to as wardriving) is a search for open wireless access points by using a portable computer connected to an antenna and a radio receiver connected to an antenna. WiFi networks are detected and their location can be mapped using a database that stores the details of wireless network names and locations mapped against latitude/longitude. Social engineering techniques are not part of standard wireless assessments. To include human elements into black box assessment, wider scopes such as red teaming operations include social engineering techniques.
The best way to find points of weakness is to physically go out there into public places such as parks, hotels, restaurants, cafes etc and look for unsecured wireless access points that are broadcasting without a security key. However, the use of WEP or WPA2 (pre-shared key) based on insecure authentication mechanisms are decreasing incorporate wireless network security usage. More and more companies are adopting certificate-based authentication, therefore, verifying and proving the identity of the client connecting to the wireless network. Therefore, white box wireless testing that involves authenticated scenarios is important to know about issues that may otherwise go undetected. It includes rogue access point identification, secure configuration issues such as client isolation, unauthorised network access and data leakage, security found during wireless network tests, endpoint security controls and RADIUS/integrated authentication modules.
Wireless penetration testing is like hacking, and the attacker’s goal is to find weaknesses in passwords, encryption or other security features, access databases and steal information or install malware. Penetration testers have been known to use exploits (known vulnerabilities) as well as using cracking tools such as air crack to access wireless networks. It’s important that penetration testers aren’t ethical hackers so they are not trying to protect the company from evil invaders but instead, their job is to hack into every possible weak point in order to find them and fix them before a cybercriminal does it for them.