Fuzzing
Targeted fuzzing strategies for complex software, protocols and embedded targets, designed around the behavior and constraints of the system under test.
PRODUCT SECURITY RESEARCH & ENGINEERING
Find the fault.
Secure the chain.
We connect findings across software, firmware and systems to expose the paths that create product risk — and turn that understanding into stronger, more resilient products.
FUZZINGREVERSE ENGINEERINGVULNERABILITY RESEARCHEMBEDDED SYSTEMSSECURE DESIGN
01 / CAPABILITIES
Security research grounded in system behavior.
From fault discovery to architecture, we work across the layers where product security problems emerge and interact.
Reverse Engineering
Analysis of firmware, binaries, protocols and undocumented behavior to establish how a product actually works — and where trust assumptions fail.
Vulnerability Research
Root-cause analysis that moves beyond individual findings to understand exploitability, interaction and product-level impact.
Embedded & Product Security
Security assessment across firmware, interfaces, communications, update mechanisms and the wider lifecycle of connected products.
02 / APPROACH
Individual findings are signals.
The chain is the risk.
A vulnerability rarely exists in isolation. We connect technical findings with architecture, trust boundaries and system behavior to understand how weaknesses combine into meaningful attack paths.
That perspective informs both offensive research and defensive engineering — helping teams prioritize what matters and design controls at the right layer.
01Discover
Find faults through research, fuzzing and analysis.
02Connect
Map findings to components, trust boundaries and attack paths.
03Understand
Establish root cause, reachability and system impact.
04Secure
Translate evidence into architecture and engineering decisions.
03 / SECURITY ENGINEERING & ASSURANCE
Evidence-led security.
Requirements that survive reality.
We connect product security engineering with the requirements shaping modern connected products.
EU / PRODUCT SECURITY
Cyber Resilience Act
Supporting the translation of cybersecurity obligations into practical product requirements, architecture and lifecycle controls.
IEC / INDUSTRIAL SECURITY
IEC 62443-4-2
Technical security requirements for IACS components, considered in the context of actual implementation and system behavior.
ISO / AUTOMOTIVE CYBERSECURITY
ISO/SAE 21434
Cybersecurity engineering across the road-vehicle lifecycle, connecting risk analysis and security requirements with product architecture and implementation.
UNECE / VEHICLE REGULATION
UN R155
Engineering support for vehicle cybersecurity and Cyber Security Management System requirements, with a focus on evidence, risk treatment and lifecycle processes.
References to standards and regulation describe areas of engineering work and do not imply certification or accreditation.
04 / RESEARCH
Research that
stands on evidence.
FAULTCHAIN / RESEARCHINDEX 001
Technical notes, methods and findings.
Research publications and engineering write-ups are coming soon.
Follow @Faultchain ↗05 / CONTACT
Working on a product
with a difficult security problem?
Talk to us about vulnerability research, embedded security, secure system design or product security engineering.
GET IN TOUCH ↗