Node.js Security

Node.js security encompasses the specialized practices and tools used to protect applications built on the Node.js runtime environment from threats and vulnerabilities. This sub-discipline of cybersecurity addresses common web application risks like injection attacks and Cross-Site Scripting (XSS), while also focusing on challenges unique to the Node.js ecosystem, such as securing the vast number of third-party dependencies managed through npm and preventing Denial-of-Service (DoS) attacks that can exploit its single-threaded, event-driven architecture. Core practices involve rigorous input validation, dependency scanning and management, implementing security-focused middleware like Helmet, and properly managing secrets and configurations to build resilient and safe server-side applications.

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2. Common Web Application Vulnerabilities in Node.js