Web Application Security Testing

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To find a web application's vulnerabilities, web app security testing is an essential procedure. With the increasing adaptation of web technologies across several areas, web applications have become a very viable attack surface if left with an untailored security outlook. Hence, assessments like web application security help the developers remediate vulnerabilities that are found during the process thereby and enhance the overall security of the web application.

Web application security testing as per the OWASP Top 10 list, helps to identify many unattended issues related to programming, file access and configuration etc which may turn out to be vulnerabilities, causing a potential impact on the organization.

Regular assessments as such help safeguard the application from any unauthorized access which can cause an impact on the organization both in reputation and resources.

Methodology

Information Gathering

Post scope definition, we enumerate the scoped systems to gain information about the potential vulnerabilities.

Vulnerability Analysis and Exploitation

Identify the security risks that could be vulnerable and attempt to exploit to gain access to additional potential assets.

Post-Exploitation Assessment

Assess the value of the compromise machine entry point to determine further exploitation.

Initial Reporting

Share a detailed risk description of every reported vulnerability along with POC,and criticality depending on the risk and potential business impact.

Confirmatory Assessment

Web Application and services are re-tested to validate the applied fix after remediation for the identified observations

Final Reporting

Based on the test results of the confirmatory assessment, a Pass/Fail report is issued.

frequently asked questions

What is the standard followed for Web Application Testing ?

OWASP Top 10, SANS 25, NIST, PCI and all applicable industry security frameworks are the usual standards that are followed for VAPT of web applications.

What are the best scanning practices ?

Best Scanning Practice includes performing all scans and re-scans within 30 days. Also, organizations should deploy all vulnerability patches having Critical and High severity in 15 days. If organizations are unable to fix any vulnerability within 30 days, then the particular vulnerability is to be reported, so that the alternative controls to mitigate the risk could be applied and the organizations can conduct assessment for the particular finding in the next scan.

What does a web application security testing report consist of?

The report defines an objective and a detailed risk description for every reported vulnerability.
● Identified vulnerabilities with Proof-of-Concept (POC) collected while performing the security assessment.
● All the reported vulnerabilities in the report are categorized into severity levels such as ‘Critical,’ ‘High,’ ‘Medium’ , ‘Low’ and ‘Info’ as per their Common Vulnerability Scoring System (CVSS) score, depending on the risk and the potential business impact it may cause due to vulnerability exploitation.
● Recommendations for the effective mitigation and closure of the identified vulnerabilities are assigned and mentioned in the report.

How much time does a web application security test take?

It takes 4-5 days to complete the web application test (might vary depending upon the complexity of the application) and 1-2 days for the reporting.

What are the different tools used for web application test?

For web application testing various commercial and open-source tools are used.

What are the types of security assessment methodologies for a web application testing?

In Vulnerability Analysis of a web application, the ‘entry-points’ of the application that could be vulnerable and display the weakness of the application are identified.
The two types of Web Application Security Assessment Methodologies are:
a. Automated Testing: Automated Testing is conducted using Automated and Commercial Web Application vulnerability scanners to identify and detect security vulnerabilities in the application.
b. Manual Testing: The Security Operations team conducts the Manual Testing for the following reasons.

● To identify potential vulnerabilities detected in Automated Testing to gain confirmation of the identified vulnerability.
● To identify vulnerabilities which may be unable to identify in Automated Testing.
● To exploit vulnerabilities which may not be exploited using automated web application scanners.

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