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countermeasures

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A curated collection and analysis of phishing websites for educational and research purposes. This repository aims to help developers, cybersecurity learners, and researchers understand how phishing sites are structured, how to detect them, and how to build effective countermeasures.

  • Updated May 14, 2026
  • TypeScript

Buffer overflow is a critical security vulnerability that occurs when a program writes more data into a buffer than it can handle, leading to memory corruption. Attackers can exploit this flaw to execute arbitrary code, modify program behavior, or escalate privileges, making it a severe risk in server

  • Updated Apr 19, 2025
  • Python

Browser-based Boolean masking demo — first-order masked AES-128 with S-box table recomputation, attacked by CPA and a second-order centered-product distinguisher (Brier-Clavier-Olivier 2004). Unprotected AES falls in a few hundred traces, masking flattens first-order CPA, and the second order pulls the byte back out.

  • Updated Aug 21, 2026

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