LOW-LEVEL SECURITY

Cybersecurity for low-level software.

We review and harden components close to the hardware, where memory corruption, privilege, concurrency, and update flaws can compromise the whole product.

Specialized serviceUpdated July 14, 2026Reading: 7–9 min

DIRECT ANSWER

What is low-level software security?

Low-level software security reduces vulnerabilities in C/C++, drivers, kernels, bootloaders, RTOS, and privileged services through architecture, review, and specialized testing.

Who it is for

Product engineering, firmware, and embedded systems teams in telecom, automotive, industrial, and medical device companies.

CONTEXT

Technical decisions with an operational view.

Low-level software runs with little separating a single fault from control of the system. Memory errors, parsing, synchronization, permissions, and trust boundaries need practices built for that.

The analysis combines threat modeling, manual review, static analysis, fuzzing, and targeted testing. The goal is not just a list of findings, but an understanding of the exploitation paths and fixes that fit the performance and resource limits of the device.

We also support decisions on language, compilation, isolation, updates, and telemetry to keep the same vulnerabilities from coming back through the development cycle.

OUTCOMES

What the initiative has to deliver.

Technical goals only matter when they improve security, speed, cost, experience or the ability to decide.

  • 01Fewer memory safety defects
  • 02A smaller privileged surface
  • 03More robust parsers and protocols
  • 04Hardened build and toolchain
  • 05Reproducible fuzzing
  • 06A secure development process

WHEN IT MAKES SENSE

Signs that it is time to act.

  • There is critical C/C++ code
  • Drivers or services run with privilege
  • The product parses untrusted data
  • Faults are hard to reproduce
  • Legacy code has no coverage
  • Customers ask for security evidence

HOW WE WORK

From assessment to operations.

Short stages, visible criteria and knowledge transfer at every decision.

01

Mapping

We identify boundaries, privileges, inputs, and assets.

02

Analysis

We combine review, tooling, and focused testing.

03

Controlled exploitation

We confirm impact and reproducibility under authorization.

04

Hardening

We fix root causes and strengthen the engineering process.

DELIVERABLES

Clarity on what gets finished.

  • Threat model
  • Review of critical code
  • Static analysis configuration
  • Fuzzing harnesses
  • Vulnerability report
  • Hardening guide

FREQUENTLY ASKED QUESTIONS

Straight answers.

Which languages do you cover?

The usual focus is C and C++, but the analysis can include Rust, assembly, build scripts, and any system component that takes part in the chain of trust.

Does fuzzing replace code review?

No. Fuzzing finds behavior by executing code; review and architecture analysis reach whole classes of problem and paths that tests may never trigger.

Can you work without access to the source code?

Some testing can be black-box, but source, symbols, and documentation make it far easier to find root causes and recommend fixes.

How do you prioritize the findings?

We weigh exploitability, privilege, exposure, business impact, installed base, and how hard the fix is, not just a generic score.

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.

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.

Talk to EAGLE BS +55 11 5028-7770
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