~/Rev_

Breaking software for a living.
Building software to get better at it.

Product security engineer and exploit developer. A live index of what I'm working through — boxes, binaries, algorithms, languages and the homelab.

Hiring? About & resume →
Engineer index20/20 lanes at L2+
Current streak1dlongest: 3 days
Units done3811 active days
Active tracks66 platform · 2 lab
// activity, last 12 months

6h 31m logged · clocked-work

Identity matrixProduct & AppSecProduct& AppSecL0OffensiveOffensiveL1Exploitation & REExploitation& REL0CryptographyCryptographyL0Cloud & Container SecurityCloud& ContainerSecurityL0Mobile & Embedded SecurityMobile& EmbeddedSecurityL0Research & toolingResearch& toolingL0Agent & MCP securityAgent & MCPsecurityL0LLM application securityLLMapplicationsecurityL0Adversarial MLAdversarialMLL0AI Assurance & DefenseAIAssurance& DefenseL0AI Threat IntelligenceAI ThreatIntelligenceL0LanguagesLanguagesL0Algorithms & DSAlgorithms& DSL0Linux & systemsLinux& systemsL1Foundations & architectureFoundations &architectureL0Networks & distributedNetworks &distributedL0Databases & system designDatabases& systemdesignL0DevSecOpsDevSecOpsL0BuildsBuildsL0

The identity matrix

One number per lane, counted in real units and leveled up. The shape is where the depth and the gaps actually are — live, not curated.

Security Engineering
Product & AppSec · L0Offensive · L1Exploitation & RE · L0Cryptography · L0Cloud & Container Security · L0Mobile & Embedded Security · L0Research & tooling · L0
AI Security
Agent & MCP security · L0LLM application security · L0Adversarial ML · L0AI Assurance & Defense · L0AI Threat Intelligence · L0
Computer Science
Languages · L0Algorithms & DS · L0Linux & systems · L1Foundations & architecture · L0Networks & distributed · L0Databases & system design · L0DevSecOps · L0Builds · L0
Artificial Intelligence / Machine Learning
AI / ML engineering · L0GPU & Parallel Computing · L0LLM Engineering · L0ML systems & MLOps · L0
Beyond Computer Science
Hardware & circuits · L0

Lanes

Security Engineering
Product & AppSecL0
OffensiveL1
Exploitation & REL0
CryptographyL0
Cloud & Container SecurityL0
Mobile & Embedded SecurityL0
Research & toolingL0
AI Security
Agent & MCP securityL0
LLM application securityL0
Adversarial MLL0
AI Assurance & DefenseL0
AI Threat IntelligenceL0
Computer Science
LanguagesL0
Algorithms & DSL0
Linux & systemsL1
Foundations & architectureL0
Networks & distributedL0
Databases & system designL0
DevSecOpsL0
BuildsL0
Artificial Intelligence / Machine Learning
AI / ML engineeringL0
GPU & Parallel ComputingL0
LLM EngineeringL0
ML systems & MLOpsL0
Beyond Computer Science
Hardware & circuitsL0

Tracks

platformprogress on the platform
Product & AppSecpaused
PortSwigger Web Security Academy
2 / 266 labslast 2026-11-02
Product & AppSecactive
HTB Academy - CWES
1 / 22 stepslast 2026-10-22
Offensiveactive
HackTheBox — Machines
1 / 557 machineslast 2026-10-26
Offensivepaused
HackTheBox — Starting Point
4 / 25 machineslast 2026-10-29
Offensiveactive
HTB Academy - CPTS
1 / 28 Moduleslast 2026-10-18
Linux & systemsactive
OverTheWire
10 / 35 levelslast 2026-10-31
labself-hosted labs and repos
Languagesactive
Sanfoundry 1000 Python programs
14 / 236 programslast 2026-08-21
Linux & systemsactive
Homelab
5 changeslast 2026-10-12

Log

2026-11-02Product & AppSecSQL injection vulnerability allowing login bypass · PortSwigger Web Security Academy
2026-11-02Product & AppSecSQL injection vulnerability in WHERE clause allowing retrieval of hidden data · PortSwigger Web Security Academy
2026-10-31Linux & systemsBandit 9 · OverTheWire
2026-10-31Linux & systemsBandit 3 · OverTheWire
2026-10-31Linux & systemsBandit 1 · OverTheWire
2026-10-31Linux & systemsBandit 5 · OverTheWire
2026-10-31Linux & systemsBandit 6 · OverTheWire
2026-10-31Linux & systemsBandit 8 · OverTheWire
2026-10-31Linux & systemsBandit 4 · OverTheWire
2026-10-31Linux & systemsBandit 0 · OverTheWire
2026-10-31Linux & systemsBandit 7 · OverTheWire
2026-10-31Linux & systemsBandit 2 · OverTheWire