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About Me

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I'm Vincent Yiu, a Cyber Security Director. I lead a team of elite offensive security experts to scrutinise our customers' security posture to enable them to better prepare against their adversaries.

I'm known for Red Teaming, and more specifically the Red Team Tips series which I started. The Red Team Tips series is intended to bring new ideas and inspire the next generation of Red Teamers who may not have frequent access to full-scale Red Team projects.

Career Milestones:

  • Founder / Director, SYON Security
  • Former Red Team Director, Risk Advisory, Cyber, Deloitte
  • Former FusionX, Accenture Security
  • Former ActiveBreach, MDSec
  • Former MWR InfoSecurity (F-Secure)
  • Master's Degree from University of Warwick
  • National Cyber Security Challenge (U.K.) Finalist 2015

Languages and Tools

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Vincent Yiu's Projects

adaclscanner icon adaclscanner

Repo for ADACLScan.ps1 - Your number one script for ACL's in Active Directory

adalanche icon adalanche

Active Directory ACL Visualizer - who's really Domain Admin?

aggressorscripts-1 icon aggressorscripts-1

Collection of Aggressor scripts for Cobalt Strike 3.0+ pulled from multiple sources

aitmworker icon aitmworker

Proof of concept: using a Cloudflare worker for AITM attacks

alina icon alina

Alina Spark - Point of Sales Trojan

allthethings icon allthethings

Includes 5 Known Application Whitelisting/ Application Control Bypass Techniques in One File.

amass icon amass

In-Depth Subdomain Enumeration

andrewspecial icon andrewspecial

AndrewSpecial, dumping lsass' memory stealthily and bypassing "Cilence" since 2019.

angrypuppy icon angrypuppy

Bloodhound Attack Path Automation in CobaltStrike

anyproxy icon anyproxy

A fully configurable http/https proxy in NodeJS

apac icon apac

Site feito em JOOMLA para a Agência Pernambucana de Águas e Clima(APAC);

apt34-jason icon apt34-jason

Use to perform Microsoft exchange account brute-force.

aptnotes icon aptnotes

Various public documents, whitepapers and articles about APT campaigns

arcanus icon arcanus

ARCANUS is a customized payload generator/handler.

argoseye icon argoseye

Automated monitoring, crawling, discovery, and ingestion of feeds and insertion into a central database for analysis.

arjun icon arjun

Arjun is a python script for finding hidden GET & POST parameters.

assetsview icon assetsview

Assets View资产发现、网络拓扑管理系统

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