Telegram Mini App Security Audit
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Telegram Mini App Security Audit

We conducted a security audit of a Telegram Mini App to verify product resilience against unauthorized access and data leakage — identifying a critical vulnerability in the application logic.

Client

NDA

Period

2 weeks

Format

Security audit

PythonJavaScriptBurp SuiteOWASP TestingTelegram Mini Apps

About the project

We conducted a security audit of a Telegram Mini App for a company needing to verify product resilience against unauthorized access and data leakage. We examined application logic, client and server sides, and user interaction scenarios. A critical vulnerability was identified allowing data access through a flaw in the application logic.

The Challenge

We needed to audit Telegram Mini App security and check for vulnerabilities that could compromise data or violate access logic — assessing real business risk, documenting critical issues, and delivering a clear report for remediation.

Our Solution

  • Conducted security audit of the Telegram Mini App
  • Examined authorization logic, data access, and client-server interaction
  • Tested application for vulnerabilities in user interaction scenarios
  • Identified critical vulnerability leading to unauthorized data access
  • Prepared incident report with risk description and technical problem analysis
  • Delivered remediation recommendations and security hardening guidance

Results

  • Security audit of Telegram Mini App conducted
  • Critical vulnerability affecting data access identified
  • Client received incident report and remediation recommendations
  • Timely risk discovery reduced likelihood of further system compromise
  • Case demonstrates expertise in applied security and digital product auditing

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