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About Calvin Lai (fkclai)
My Work
Cyber Security
- Cyber Security Centre (CSC)
Detection and Response
Application Architecture
- Student Module Registration Flow Series using Microservices & Event-Driven Architecture
- Comparison of MVC , N-tier and Microservice Architecture
AI: Using RAG-Based Enquiry Assistant using Vector Database
Application Security
Exploit/CVE PoC
Hacking Report (HTB)
Penetration Testing
Threat Intelligence
- Advanced Persistent Threat (APT) groups
Red Team (Windows)
Exploitation Guide
Vuln Hub (Writeup)
CTF (Writeup & Tips)
Useful Command/Tools
Offensive Security Lab & Exam
- Lab
- Tools for an Offensive Certification
ISO 27001
Risk Management
- IT Risk and Control Library Policy and Procedure

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Hacker One

Last updated 5 years ago