Web Application Security Testing
Overview : Web Application Penetration Testing
Web-based software Penetration testing is the practise of simulating a hacker-style attack on your online application in order to find and assess security flaws that an attacker may exploit. Web apps are crucial to a company’s success and an attractive target for hackers. Web application penetration testing is the proactive detection of application vulnerabilities, such as those that might result in the loss of sensitive user and financial information.
Methodology
A complete strategy to doing penetration testing that discovers not just security flaws but also business logic weaknesses, as well as security checklists based on industry standards like OWASP10, SANS25, OSSTMM, and others. Based on years of expertise across application threat surfaces such as internet, mobile, and cloud, zQura offers on-premises and off-premises application security services with the roadmap below.

Black Box
Gray Box
White Box
Benefits
Our Approach
Information Gathering
One of the most important roles of an application penetration test is reconnaissance, or information collecting. The first stage of a web application penetration test is all about learning all there is to know about the target application. Several testing situations Look for information leaks using search engine reconnaissance and discovery, enumerate apps, and fingerprint apps. Find the application’s entrance point.

Configuration Management
Understanding the deployed configuration of the server or infrastructure that runs the web application is nearly as important as completing application security testing. Regardless of the application platform’s variety, a number of core platform setup issues, such as how an unsecured programme might infect the server (insecure HTTP methods, old/backup files), can put the application at danger. Examples include TLS security, app platform configuration, file extension handling, and cross-site tracing. HTTP methods, file permissions, and transport security are all tested.
Authentication Testing
Authentication is the process of attempting to validate the digital identity of the sender of a message. The log-on procedure is the most common example of such a process. Testing the authentication schema necessitates understanding how the authentication method works and applying that understanding to undermine the authentication mechanism. Poor lockout measures, authentication scheme circumvention, browser cache vulnerabilities, and insufficient authentication in other channels are a few instances.

Session Management
Session management refers to any controls that are in charge of monitoring a user’s stateful activities with the web application they are using. This includes everything from user authentication to the overall logout procedure. Session fixation, cross-site request forgery, cookie management, session timeout, and verifying the operation of the logout process are a few examples.

Authorization Testing
Because authorisation follows successful authentication, the pen tester will confirm this after demonstrating that they have legitimate credentials associated with a distinct set of roles and privileges. Some instances include insecure direct object references, privilege escalation, and circumvention of permission requirements. Permission testing necessitates learning how the authorization system works and then utilising that expertise to evade it.

Data Input Validation
The inability to adequately check input from the client or the environment before utilising it is the most common security issue in online applications. This vulnerability affects online applications and can result in buffer overflows, cross-site scripting, SQL injection, interpreter injection, locale/Unicode assaults, file system vulnerabilities, and other issues.

Testing for Error- Handling
We commonly come across a multitude of error codes produced by apps or web servers during a web application penetration test. To display these issues, a special request, either manually or with the help of tools, might be utilised. These codes are extremely useful to penetration testers due to the wealth of information they reveal about databases, security flaws, and other technological factors directly connected to online applications. Analyzing error codes and stack traces are only two examples.

Testing for Business Logic
Because a vulnerability scanner cannot detect the “Think Outside the Box” vulnerability, it is dependent on the penetration tester’s expertise and talents. Furthermore, because it is application-specific, this type of vulnerability is frequently one of the most difficult to uncover, but it is also one of the most harmful to the programme if exploited. Examples include integrity checks, process time, uploading an unexpected file type, and the ability to fake requests.

Client-Side Testing
Client-side testing focuses on code execution on the client side, which is often performed directly within a web browser or a browser plugin. When code is executed on the client side, it differs from when it is executed on the server and results in the return of content. JavaScript, client-side URL redirection, cross-origin resource sharing, and manipulation are all examples.

Denial-of Service
Denial of service (DoS) attacks are designed to prevent authorised users from accessing a resource. In a denial of service (DoS) attack, a malicious user floods a target system with enough traffic to prohibit it from servicing its intended customers. at this point. Testing will concentrate on application layer availability attacks that may be carried out by a single rogue user on a single machine.

Reporting
The reporting step’s goals are to present, rank, and prioritise results while also providing project stakeholders with a clear, actionable report with supporting data. At Kratikal, we believe this to be the most important step, thus we take great effort to ensure that the significance of our results and service has been effectively explained.

FAQs
This testing, which demonstrates how hackers may exploit freshly discovered threats or forthcoming vulnerabilities, should be performed on a regular basis to guarantee more consistent IT and network security management.
Application testing is a type of software testing that incorporates security concepts such as Confidentiality, Integrity, Authentication, and Availability to identify system problems.
The length of time required for vulnerability assessment and penetration testing is determined on the type of testing as well as the size of your network and applications.
It is necessary to be able to recognise risks, correlate data, and enforce laws over a dispersed and dynamic network for effective security architecture.