Web Application Security?



How Does Web Application Security Work?

Different approaches to web application security address different vulnerabilities. Web application firewalls (WAFs), among the more comprehensive, defend against many types of attack by monitoring and filtering traffic between the web application and any user. Configured with policies that help determine what traffic is safe and what isn’t, a WAF can block malicious traffic, preventing it from reaching the web application and preventing the app from releasing any unauthorized data.

Why Is Web Application Security Important?

The world today runs on apps, from online banking and remote work apps to personal entertainment delivery and e-commerce. It’s no wonder that applications are a primary target for attackers, who exploit vulnerabilities such as design flaws as well as weaknesses in APIs, open-source code, third-party widgets, and access control.

Common attacks against web applications include:

  • Brute force
  • Credential stuffing
  • SQL injection and formjacking injections
  • Cross-site scripting
  • Cookie poisoning
  • Man-in-the-middle (MITM) and man-in-the-browser attacks
  • Sensitive data disclosure
  • Insecure deserialization
  • Session hijacking

Brute Force

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 Brute-force attack consists of an attacker submitting many passwords or passphrases with the hope of eventually guessing correctly. The attacker systematically checks all possible passwords and passphrases until the correct one is found.

Credentials stuffing

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Credential stuffing is a type of cyberattack in which the attacker collects stolen account credentials, typically consisting of lists of usernames and/or email addresses and the corresponding passwords

SQL Injection

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SQL injection attack consists of insertion or “injection” of a SQL query via the input data from the client to the application. A successful SQL injection exploit can read sensitive data from the database, modify database data (Insert/Update/Delete), execute administration operations on the database (such as shutdown the DBMS),

Cross Site Scripting

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Cross-Site Scripting (XSS) attacks are a type of injection, in which malicious scripts are injected into otherwise benign and trusted websites. XSS attacks occur when an attacker uses a web application to send malicious code, generally in the form of a browser side script, to a different end user.

Cookie Poisoning

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Cookie poisoning—also known as session hijacking—is an attack strategy in which the attacker alters, forges, hijacks, or otherwise “poisons” an otherwise valid cookie sent back to a server to steal data, bypass security, or both.

Dynamic application security testing (DAST)

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Dynamic application security testing (DAST) is known as black-box testing involves using tools where the tester has no prior knowledge of the system, in order to detect possible security vulnerabilities both in the system and any underlying frameworks used.

Static Application Security Testing (SAST)

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Static Application Security Testing (SAST) is known as white-box testing, where the tester requires a deeper understanding of the system being tested and access to the source code at rest. SAST tools examine the source code at rest to detect and report on potential security vulnerabilities. Manual (SAST) testing is more intrusive than automated (DAST) testing and may involve adding, altering and deleting data within the application.

What is Web application Security Testing?

Web application security testing is the process of testing, analysing and reporting on the security of a web application.

It commonly falls into two main categories

  • Dynamic application security testing (DAST)
  • Static Application Security Testing (SAST)

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