{
  "id": 19633386,
  "title": "Security Testing in Software Development: A Practical Guide to Finding Vulnerabilities Before Release",
  "url": "https://urgent.news/2026/11/12/security-testing-in-software-development-a-practical-guide-to-finding",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-11-12T10:04:09.000Z",
  "source": {
    "name": "Dev.to",
    "slug": "dev-to",
    "url": "https://dev.to/adrian_rolex_363888578ea9/security-testing-in-software-development-a-practical-guide-to-finding-vulnerabilities-before-5a87"
  },
  "original_language": "en",
  "account": "Security testing plays a vital role in modern software development. As applications increasingly handle sensitive data and financial transactions, identifying vulnerabilities early becomes critical. Regardless of whether you are developing a traditional web app, enterprise software, or Web3 application, security testing should be an integral part of your software development lifecycle.\n\nSecurity testing involves the process of discovering vulnerabilities, issues, and misconfigurations that could potentially be exploited by malicious actors. While functional testing ensures your application operates as intended, security testing focuses on preventing unauthorized access, unintended behavior, and exploitation of vulnerabilities. For example, an application might pass functional tests but still allow users to view another customer's transaction history through a security flaw.\n\nThere are six key types of security testing:\n\n1. Static Application Security Testing (SAST) looks at source code to identify risky code, such as hardcoded passwords or weak cryptography. This type of testing is best done during development and code reviews.\n\n2. Dynamic Application Security Testing (DAST) tests the application while it is running, simulating external attacks. It can uncover issues like cross-site scripting, SQL injection, and insecure session management. DAST is often performed in testing or staging environments.\n\n3. Software Composition Analysis (SCA) identifies vulnerable or outdated third-party libraries and frameworks within your application. It helps track package updates, licensing issues, and dependency vulnerabilities.\n\n4. Vulnerability Scanning scans your entire application, server, network, and infrastructure for known security issues. This includes outdated software, exposed services, insecure configurations, and missing security patches. Regular scanning is essential, particularly after infrastructure changes or major application updates.\n\n5. Penetration Testing is a manual process where security experts attempt to exploit vulnerabilities in your application or infrastructure. This can reveal complex issues like authentication bypass, broken access control, and privilege escalation. It's especially useful before large releases, particularly when significant changes have been made.\n\n6. Threat Modeling & Secure Code Review focus on identifying potential security threats during the design phase and reviewing code for architectural and logical issues. This helps developers and security experts understand how data is handled and what could happen if security fails.\n\nSecurity testing should be performed throughout the development process, from requirements and design to post-deployment monitoring. While no test can guarantee complete security, a comprehensive approach significantly reduces the risk of vulnerabilities reaching production. This is particularly important for Web3 applications, which interact with blockchain networks, decentralized protocols, and smart contracts. In these environments, even small security issues can have significant consequences.",
  "summary": "Security testing is an essential part of software development. As applications become increasingly networked and deal with high volumes of sensitive information, finding security vulnerabilities early is important. Whatever software you're developing, whether it's a traditional web application, enterprise application or Web3 application, there are many risks relating to user information,…",
  "key_points": [
    "Security testing crucial for modern software development",
    "Identifies vulnerabilities, issues, misconfigurations before release",
    "Six key types: SAST, DAST, SCA, vulnerability scanning, penetration testing, threat modeling"
  ],
  "editors_take": "Integrating various testing methodologies throughout the development lifecycle shifts security from a final check to a continuous necessity for protecting sensitive data and complex decentralized environments.",
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}