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Static Code Analysis

The process of scrutinizing source code to identify potential problems and non-compliant coding practices.

SCA prevents common vulnerabilities like SQL injection and cross-site scripting. SCA supports secure coding and is performed using specialized tools that are often directly integrated into the developer's IDE or another software development suite.

Static code analysis in software development is critical because it enables early detection of bugs and security vulnerabilities and helps prevent potentially catastrophic failures in the final product. It also improves code quality and maintainability by enforcing coding standards and best practices. Additionally, static code analysis helps educate developers about common coding errors and security risks, which helps promote security-conscious development practices.

Secure Testing Methods (Raw Lesson Content)

Secure Testing Method Description
Static application security testing
  • Known as white box testing
  • Focuses on analyzing source code, binaries, and byte code early in the development process
  • Good at identifying things like SQL injections and buffer overflows
  • Can identify the exact cause of a coding problem:
    • Only in code that's written but not deployed
  • Is language specific
  • Can run continually and be widely applied
  • Has a high percentage of false positives
  • Limited in the types of vulnerabilities it can detect
Dynamic application security testing
  • Known as black box testing
  • Scans applications after deployment
  • Tests from the outside
  • Uses a series of tests to determine vulnerabilities and flaws
  • Not language specific
  • Has fewer false positives
  • Hard to automate
  • Cannot pinpoint the cause of a flaw
  • Can take up to a week to complete the testing process
Interactive application security testing

Has two types:

  • Passive:
    • Interactive functionality is built into static application security testing.
    • Uses source code scanners during runtime.
  • Active:
    • Testing tools can access interpreters and compilers, allowing precise identification of a problematic line of code in runtime.
    • Speeds up testing and remediation.
    • Can help in the Development stage by catching vulnerabilities early.
    • Can help in the QA stage by adding automated security checkpoints.
    • Can help in the Production stage through continuous monitoring.

Popular Static Code Analyzers

  • SonarQube
  • Coverity
  • Fortify
  • AdaCore
  • Parasoft
  • JetBrains Qodana
  • Clang !!!

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