Handling Client-Side Data Securely in Web Pentesting Applications — 11 | 2023

Safeguarding Data Transmitted via the Client, Validating Client-Generated Data, and Implementing Robust Logging and Alerting Mechanisms | Karthikeyan Nagaraj

Karthikeyan Nagaraj
6 min readAug 3, 2023

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Topics Covered in this Article:

1. Transmitting Data via the Client:

  • Importance of Transport Layer Security (TLS) in data transmission
  • Securing HTTP connections with HTTPS
  • Utilizing Secure Sockets Layer (SSL) certificates
  • Implementing HTTP security headers for enhanced protection
  • The role of Content Security Policy (CSP) in mitigating attacks
  • Best practices for secure data transmission in modern web applications

2. Validating Client-Generated Data:

  • Understanding the risks associated with client-side data manipulation
  • Importance of server-side validation as the first line of defense
  • Implementing client-side validation for improved user experience
  • Utilizing regular expressions and input…

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Karthikeyan Nagaraj
Karthikeyan Nagaraj

Written by Karthikeyan Nagaraj

Entrepreneur | Writer | Cyber Security Consultant | AI Researcher