Angular SECURITY Best Practices
Angular Security Best Practices include using HTTPS, input validation, avoiding Direct DOM Access, avoiding inline JavaScript, implementing Cross-Site Scripting (XSS) protection, enabling Content Security Policy (CSP), using Angular built-in security features like Strict Contextual Escaping (SCE), and keeping dependencies up to date to avoid vulnerabilities. It is important to follow secure coding practices, such as avoiding using unsafe functions and ensuring proper error handling to protect against attacks like injection, XSS, and CSRF. Regularly auditing and testing your application for security vulnerabilities is also crucial to maintain a secure Angular application.
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1 - Use HTTPS: Always ensure that your Angular application is served over HTTPS to protect data in transit.
2) Input Validation: Validate and sanitize user inputs to prevent common security vulnerabilities like Cross Site Scripting (XSS) and SQL Injection.
3) Content Security Policy (CSP): Implement CSP to restrict the sources from which your Angular application can load resources, reducing the risk of attacks like data injection.
4) Cross Site Request Forgery (CSRF) Protection: Use measures like CSRF tokens to verify the origin of requests to prevent unauthorized actions on behalf of authenticated users.
5) Authentication and Authorization: Implement secure authentication mechanisms like JWT tokens and enforce proper authorization to restrict access to sensitive resources.
6) Secure Password Handling: Use strong password hashing algorithms and consider implementing features like password salting and stretching to enhance password security.
7) Prevent Direct Object References: Avoid exposing direct object references in URLs to prevent unauthorized access to data by manipulating identifiers.
8) Content Security Headers: Utilize HTTP headers like X Frame Options and X Content Type Options to protect against clickjacking and MIME type sniffing attacks.
9) Secure Communication with APIs: Ensure that communication with backend APIs is secure by using HTTPS, validating server certificates, and avoiding sending sensitive information in URL parameters.
10) Error Handling: Implement proper error handling mechanisms to avoid leaking sensitive information and provide only generic error messages to users.
11) Regularly Update Dependencies: Keep your Angular framework and third party dependencies up to date to patch security vulnerabilities discovered by the community.
12) Secure File Uploads: Validate file uploads to prevent malicious files from being uploaded and execute uploads in a dedicated directory with restricted permissions.
13) Cross Origin Resource Sharing (CORS): Configure CORS settings properly to control which origins are allowed to access your Angular application’s resources.
14) Secure Session Management: Use best practices for session management, including setting secure flags for cookies, expiring sessions, and handling session data securely.
15) Security Audits and Penetration Testing: Regularly conduct security audits and penetration testing to identify and address potential security weaknesses in your Angular application.
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