Web Application Security

Living in a global world has some disadvantages and the internet being a global connector also has another side to it; web properties are vulnerable to attacks. This is why web application security is important. Web application security is the means of protecting online services and webs from threats that exploit their vulnerabilities. With good security, websites will function as expected even when under.
Web security testing seeks to find security vulnerabilities in Web applications and their configuration. These tests are known as negative testing and they are used to know whether the system is doing something it isn’t meant to do.
Types of Security Tests

  1. Dynamic Application Security Tests
    This application security test is best for internally facing, low-risk applications that must correspond with regulatory safety assessments. For medium-risk applications and critical applications undergoing trivial changes, DAST ought to be combined with some manual web security testing for common susceptibility.
  2. Static Application Security Test (SAST).
    This application security proposes automated and manual testing techniques. It is best for spotting bugs without the need to execute applications in a production environment. Developers can scan source code and systematically find and eliminate software security vulnerabilities.
  3. Penetration Test.
    This manual application security test is best for vital applications, especially those undergoing major changes. The assessment involves business logic and adversary-based testing to discover advanced attack scenarios
  4. Runtime Application Self Protection (RASP).
    This evolving application security approach entails several technological strategies to use an application so that attacks can be monitored as they execute and, ideally, blocked in real-time.

Features to be Reviewed During Testing
During every web application security testing, the following features ought to be reviewed:

  • Application and server configuration. Potential defects are related to encryption/cryptographic configurations, Web server configurations, etc.
  • Input validation and error handling. SQL injection, cross-site scripting (XSS), and other common injection vulnerabilities are the result of poor input and output handling.
  • Authentication and session management. Vulnerabilities potentially result in user impersonation. Credential strength and protection should also be considered.
  • Authorization. Testing the ability of the application to protect against vertical and horizontal privilege escalations.
  • Business logic. These are important to most applications that provide business functionality.
  • Client-side logic. With modern, JavaScript-heavy webpages, in addition to webpages using other types of client-side technologies (e.g., Silverlight, Flash, Java applets), this type of feature is becoming more prevalent.
  • In today’s environment, web applications can be affected by a wide range of threats and attacks. Knowing the different attacks that make an application vulnerable, alongside the potential outcomes of an attack, gives room for a firm to address the vulnerabilities and accurately test for them.

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