Offensive security / IT · OT · ICS

Levi
de Goeij.

Security researcher and founder of VulnGuard. I research, test and build security around systems that connect software to the physical world.

FOCUSIT / OT / ICS
WORKSECURITY RESEARCH
BUILDINGVULNGUARD.IO
BASEDNETHERLANDS

Building

01 / VULNGUARD
Founder / VulnGuard

Know your exposure before attackers do.

VulnGuard continuously scans authorised assets, fingerprints exposed services and correlates them with CVE intelligence. It covers conventional IT as well as industrial protocols and internal environments.

Visit vulnguard.io ↗
CVE intelligenceNVD
FingerprintingVersion-aware
IndustrialModbus / BACnet / S7 / DNP3
ScopeExternal + internal

Selected security work

CLIENT DETAILS WITHHELD
02 / BUILT ENVIRONMENT

Shopping centre building automation.

Security testing around a building management environment and infrastructure responsible for physical building operations.

BMS / OT / BUILDING AUTOMATION / NETWORK INFRASTRUCTURE
03 / RENEWABLE ENERGY

Wind energy control environment.

Security assessment involving operational technology, industrial networking and PLC-based control infrastructure.

PLC / ICS / INDUSTRIAL NETWORKS / OT
04 / FUEL RETAIL & FORECOURT

Connected forecourt infrastructure.

API and source-code assessment involving backend services and an on-site edge system integrating physical services at fuel retail locations. Research included security-sensitive application logic and QR-based service functionality. Supplier, operator and implementation details are intentionally withheld.

API SECURITY / EDGE SYSTEMS / SOURCE REVIEW / APPLICATION LOGIC

About

LDG / NL
Security researcher
Founder / builder
OSCP+

My work sits between traditional offensive security and operational technology. I’m particularly interested in systems where an application vulnerability can cross into a physical process: industrial controls, building automation, charging infrastructure and connected edge systems.

OSCP+Offensive Security
FounderVulnGuard
IT / OT / ICSPrimary focus
Contact
Have something interesting to test?