FIRMWARE SECURITY
Firmware security from boot to field update.
We analyze firmware, bootloaders, and update mechanisms to reduce tampering, secret extraction, persistence, and device compromise.
DIRECT ANSWER
What is firmware and embedded security?
Firmware security protects the code a device runs and its update chain through signing, verification, key protection, hardening, and testing.
Who it is forManufacturers and teams building IoT devices, industrial equipment, medical devices, telecom gear, automotive systems, and consumer electronics.
CONTEXT
Technical decisions with an operational view.
Firmware stays in the product for years and often runs with high privilege. A single flaw can reach the entire installed base and be hard to fix.
We review images, formats, components, credentials, services, protocols, and the boot and update chain. The work can include authorized reverse engineering and analysis of the exposed attack surface.
The recommendations account for the real limits on memory, performance, manufacturing, and updates, prioritized by exploitability and impact.
OUTCOMES
What the initiative has to deliver.
Technical goals only matter when they improve security, speed, cost, experience or the ability to decide.
- 01Firmware signed and verified
- 02Secrets better protected
- 03Secure update
- 04Reduced attack surface
- 05Vulnerable components identified
- 06A remediation plan for the installed base
WHEN IT MAKES SENSE
Signs that it is time to act.
- Firmware can be extracted
- Credentials are hardcoded
- Updates are not verified
- The product ships old libraries
- There are proprietary interfaces or protocols
- Customers require security testing
HOW WE WORK
From assessment to operations.
Short stages, visible criteria and knowledge transfer at every decision.
Collection
We gather images, hardware, documentation, and the environment.
Analysis
We map components, secrets, services, and attack surfaces.
Validation
We test boot, update, parsers, and controls under authorization.
Hardening
We prioritize the fixes and support the implementation.
DELIVERABLES
Clarity on what gets finished.
- SBOM or component inventory
- Analysis report
- Update and boot testing
- Reproducible findings
- Hardening plan
- Lifecycle recommendations
FREQUENTLY ASKED QUESTIONS
Straight answers.
Do you need the hardware?
For some tests, yes. The analysis can start from the image and the documentation, but physical interfaces and real behavior widen the coverage.
Can firmware be analyzed without source code?
Yes, within an authorized scope, though source and symbols speed up finding the root cause and the fix.
Is signing the update enough?
You also need version checks, anti-rollback, key management, failure recovery, and protection of the mechanism that performs the update.
How do you handle third-party components?
We inventory versions, exposure, and update paths so we can prioritize the vulnerabilities that are actually reachable.
Technical sources and references
EVIDÊNCIA EM CAMPO
Current research applied to product security.
Our participation in Hardwear.io USA widens the repertoire we use in hardware, firmware, IoT, protocol and embedded systems assessments.
Cybersegurança
Hardwear.io USA 2025: dez aprendizados que orientam nossa atuação em segurança de hardware
A EAGLE BS acompanhou o Hardwear.io USA 2025. Veja dez aprendizados sobre firmware, IoT, glitching, Rowhammer, protocolos sem fio e root of trust.Ler artigo ↗TALK TO A SPECIALIST
Tell us the situation. We help you see the best path.
A focused conversation to understand context, risk, priority and the first workable step.