Why finding the real vulnerabilities of web applications is essential? When we would not know about the real loopholes and weaknesses of a web application. How will we counter the security problems then? The important tools and processes of penetration testing help in finding vulnerabilities in any computer network and web applications. The testing of web security by using the pattern-based approach helps in detecting real security problems. Unfortunately, developers only focus on functionalities and do not bother to write lines of codes to implement security. A minor missing line of code can lead to serious compromise of critical data. So, here, we will highlight how can we find vulnerabilities in a website by using a pattern-based approach.
Main steps of pattern-based testing approach
The testing of web security by using a pattern-based approach comprised of two main steps:
If a pen tester considers these two steps while finding vulnerabilities in a web application. Then, in the end, he will be able to find the main security flaws of any web application. Like all the different types of computer networks, there is a need for vulnerability assessment in web applications. Because hackers nowadays do not target hosts in a network, instead, they use the command to get into user’s applications through back doors of loopholes present at the back end of any application.
Which important security patterns must be kept in mind while doing pen testing?
The authentication, authorization, intrusion detection, identification, and encryption standards must be checked while doing vulnerability assessment. The validation of security properties such as integrity, availability, non-repudiation, and confidentiality must also be checked to implement security standards that counter with any security flaws.
The testing schemes, such as grey boxing and black box testing, highlight all the hidden vulnerabilities in an application.
Grey box testing
It includes the testing of code written at the back end of any application. The code analysis makes the pen testers aware where precisely the application has the vulnerability. Moreover, some developers intentionally leave backdoors in the coding phases to get into applications when required. It is also one of the leading security flaws which lets hackers to get into the system quickly.
Black box testing
If a pen tester wants accuracy while testing any web application, he does it through black-box testing. It is like a hacking attempt, an effort to get into the system through unauthorized ways. By doing so, the pen tester gets the awareness of all the weak ports or gateways, which can help hackers to get into the system quickly. So, after doing black-box testing, pen testers work for those security flaws.
Important security patterns
The denial of service, tampering, repudiation, privileges escalation and spoofing are the security attacks that compel pen testers to work for the day and night. For all of these security attacks, there must be a set of security patterns implemented in applications. According to research, the “account lockout” and “Authentication enforcer” must implement in any web application as the security pattern to counter security flaws. The account lockout helped in situations when many wrong attempts were made to log in to the system. Similarly, an authentication enforcer helps in identifying whether the user is authentic or not. Both of these security patterns counter many of the security attacks mentioned above.
Pattern-based security approach
There are four significant steps of the pattern-based security approach:
- Graphical user interface
- Report generator
The first step (GUI) of the pattern-based security approach establishes the connection between developers, testers, and users. After this, the second step start is working, and that is the exploration of application information. It includes information such as headers, cookies, metadata, link, script, and tag information. All this done to explore all the web pages of an application for testing. The testing phase completes when the tester uses specific security patterns to test all the pages. After testing a record of failure or success save in a document.
The testing phase is essential, and mostly, it done by using the security pattern of authentication enforcer. Several tests perform against transport credentials, default credential, clickjacking, and SQL injection. After testing a phase completes, a report comprising of all the steps and results of success and failure helps in making the application secure.
This article helps all the developers and pen testers who want to make web applications free of vulnerabilities. A proper pattern-based approach defined for the diminishing security flaws of web applications.
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