Introduction To Vulnerability Assessment & Penetration Testing

Mar 12, 2019Download as PPTX, PDF2 likes1,694 views

A vulnerability assessment identifies vulnerabilities in systems and networks to understand threats and risks. Penetration testing simulates cyber attacks to detect exploitable vulnerabilities. There are three types of penetration testing: black box with no system info; white box with full system info; and grey box with some system info. Common vulnerabilities include SQL injection, XSS, weak authentication, insecure storage, and unvalidated redirects. Tools like Nexpose, QualysGuard, and OpenVAS can automate vulnerability assessments.

Introduction To Vulnerability Assessment & Penetration Testing

Vulnerability Assessment
 A vulnerability assessment is the process of defining,
identifying, classifying and prioritizing vulnerabilities
in computer systems, applications and network
infrastructures and providing the organization doing
the assessment with the necessary knowledge,
awareness and risk background to understand the
threats to its environment and react appropriately.

What is Penetration Testing
 A penetration test, also known as a pen test, is a
simulated cyber attack against your network,
infrastructure, devices, computer system or any other
environment to check for exploitable vulnerabilities.

Types of Penetration Tests
 Black Box Penetration Testing
 White Box Penetration Testing
 Grey Box Penetration Testing

Black Box Penetration Testing
 In black box penetration testing, tester has no idea
about the systems that he is going to test. He is
interested to gather information about the target
network or system. For example, in this testing, a
tester only knows what should be the expected
outcome and he does not know how the outcomes
arrives. He does not examine any programming codes.

White Box Penetration Testing
 This is a comprehensive testing, as tester has been
provided with whole range of information about the
systems and/or network such as Schema, Source code,
OS details, IP address, etc. It is normally considered as
a simulation of an attack by an internal source. It is
also known as structural, glass box, clear box, and open
box testing.
 White box penetration testing examines the code
coverage and does data flow testing, path testing, loop
testing, etc.

Grey Box Penetration Testing
 In this type of testing, a tester usually provides partial
or limited information about the internal details of the
program of a system. It can be considered as an attack
by an external hacker who had gained illegitimate
access to an organization's network infrastructure
documents.

Top 10 Common Vulnerabilities
 SQL Injection
 Cross Site Scripting
 Broken Authentication and Session Management
 Insecure Direct Object References
 Cross Site Request Forgery
 Security Misconfiguration
 Insecure Cryptographic Storage
 Failure to restrict URL Access
 Insufficient Transport Layer Protection
 Un-validated Redirects and Forwards

Vulnerability Assessment Tools
 Nexpose Community
 QualysGuard
 OpenVAS
 Nikto
 Nmap
 Nessus Professional
 Acunetix
 Netsparker
 IBM AppScan
 Burp Suite

Demo Website and VMs
 https://demo.testfire.net
 http://testphp.vulnweb.com
 OWASP Mutillidae II
 Attack-defense online lab

This document discusses vulnerability assessment and penetration testing. It defines them as two types of vulnerability testing that search for known vulnerabilities and attempt to exploit vulnerabilities, respectively. Vulnerability assessment uses automated tools to detect known issues, while penetration testing employs hacking techniques to demonstrate how deeply vulnerabilities could be exploited like an actual attacker. Both are important security practices for identifying weaknesses and reducing risks, but require different skills and have different strengths, weaknesses, frequencies, and report outputs. Reasons for vulnerabilities include insecure coding, limited testing, and misconfigurations. The document outlines common vulnerability and attack types as well as how vulnerability assessment and penetration testing are typically conducted.

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Introduction To Vulnerability Assessment & Penetration Testing

2. Vulnerability Assessment  A vulnerability assessment is the process of defining, identifying, classifying and prioritizing vulnerabilities in computer systems, applications and network infrastructures and providing the organization doing the assessment with the necessary knowledge, awareness and risk background to understand the threats to its environment and react appropriately.

3. What is Penetration Testing  A penetration test, also known as a pen test, is a simulated cyber attack against your network, infrastructure, devices, computer system or any other environment to check for exploitable vulnerabilities.

4. Types of Penetration Tests  Black Box Penetration Testing  White Box Penetration Testing  Grey Box Penetration Testing

5. Black Box Penetration Testing  In black box penetration testing, tester has no idea about the systems that he is going to test. He is interested to gather information about the target network or system. For example, in this testing, a tester only knows what should be the expected outcome and he does not know how the outcomes arrives. He does not examine any programming codes.

6. White Box Penetration Testing  This is a comprehensive testing, as tester has been provided with whole range of information about the systems and/or network such as Schema, Source code, OS details, IP address, etc. It is normally considered as a simulation of an attack by an internal source. It is also known as structural, glass box, clear box, and open box testing.  White box penetration testing examines the code coverage and does data flow testing, path testing, loop testing, etc.

7. Grey Box Penetration Testing  In this type of testing, a tester usually provides partial or limited information about the internal details of the program of a system. It can be considered as an attack by an external hacker who had gained illegitimate access to an organization's network infrastructure documents.

8. Penetration Testing Stages

9. Top 10 Common Vulnerabilities  SQL Injection  Cross Site Scripting  Broken Authentication and Session Management  Insecure Direct Object References  Cross Site Request Forgery  Security Misconfiguration  Insecure Cryptographic Storage  Failure to restrict URL Access  Insufficient Transport Layer Protection  Un-validated Redirects and Forwards

10. Vulnerability Assessment Tools  Nexpose Community  QualysGuard  OpenVAS  Nikto  Nmap  Nessus Professional  Acunetix  Netsparker  IBM AppScan  Burp Suite

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