Penetration Testing

Penetration Testing

pentest

What is Penetration Testing?

It’s the process to identify security vulnerabilities in an application by evaluating the system or network with various malicious techniques. Purpose of this test is to secure important data from outsiders like hackers who can have unauthorized access to system. Once vulnerability is identified it is used to exploit systems in order to gain access to sensitive information. It’s very important for any organization to identify security issues present in internal network and computers. Using this information organization can plan defense against any hacking attempt. User privacy and data security are the biggest concerns nowadays. Imagine if any hacker manage to get user details of social networking site like Facebook. Organization can face legal issues due to a small loophole left in a software system. Hence big organizations are looking for PCI compliance certifications before doing any business with third party clients.

Why Penetration testing?

– Financial data must be secured while transferring between different systems
– Many clients are asking for pen testing as part of the software release cycle
– To secure user data
– To find security vulnerabilities in an application

Causes of vulnerabilities:
– Design and development errors
– Poor system configuration
– Human errors

What should be tested?
– Software
– Hardware
– Network
– Process

Penetration Testing Types:

1) Social Engineering:

Human errors are the main causes of security vulnerability. Security standards and policies should be followed by all staff members to avoid social engineering penetration attempt. Example of these standards include not to mention any sensitive information in email or phone communication. Security audits can be conducted to identify and correct process flaws.

2) Application Security Testing:

Using software methods one can verify if the system is exposed to security vulnerabilities.

3) Physical Penetration Test:

Strong physical security methods are applied to protect sensitive data. This is generally useful in military and government facilities. All physical network devices and access points are tested for possibilities of any security breach.

Pen Testing Techniques:
1) Manual penetration test
2) Using automated penetration test tools
3) Combination of both manual and automated process
The third process is more common to identify all kinds of vulnerabilities.

Penetration Test Process:
Let’s discuss the actual process followed by test agencies or penetration testers. Identifying vulnerabilities present in system is the first important step in this process. Corrective action is taken on these vulnerability and same penetration tests are repeated until system is negative to all those tests.

We can categorize this process in following methods:
1) Data collection: Various methods including Google search are used to get target system data. One can also use web page source code analysis technique to get more info about the system, software and plugin versions. There are many free tools and services available in the market which can give you information like database or table names, DB versions, software versions, hardware used and various third party plugins used in the target system.

2) Vulnerability Assessment: Based on the data collected in first step one can find the security weakness in the target system. This helps penetration testers to launch attacks using identified entry points in the system.

3) Actual Exploit: This is crucial step. It requires special skills and techniques to launch attack on target system. Experienced penetration testers can use their skills to launch attack on the system.

4) Result analysis and report preparation: After completion of penetration tests detailed reports are prepared for taking corrective actions. All identified vulnerabilities and recommended corrective methods are listed in these reports. You can customize vulnerability report format (HTML, XML, MS Word or PDF) as per your organization needs.

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