Offensive Security

IoT Security Testing

Assessment of Internet of Things devices, firmware, and communication protocols for security weaknesses.

What It Is

IoT security testing evaluates the security posture of connected devices — from industrial sensors and medical devices to smart building systems and consumer electronics. We assess hardware, firmware, communication protocols, and cloud backends to identify vulnerabilities that could compromise device integrity, data privacy, or network security.

IoT devices often ship with minimal security controls and rarely receive patches. Our testing helps manufacturers and deployers understand their risk and harden their IoT ecosystem before deployment or during ongoing operations.

What We Cover

  • Firmware extraction and analysis
  • Communication protocol assessment (MQTT, CoAP, BLE, Zigbee)
  • API and cloud backend security testing
  • Hardware interface analysis (UART, JTAG, SPI)
  • Default credential and authentication testing
  • Encryption and data-at-rest analysis
  • Update mechanism security review
  • Network segmentation validation for IoT environments

Our Methodology

  1. 1
    Device ProfilingCatalog device capabilities, interfaces, and communication channels
  2. 2
    Firmware AnalysisExtract and analyze firmware for hardcoded secrets, vulnerable libraries, and backdoors
  3. 3
    Protocol TestingAssess wireless and network protocols for interception and manipulation risks
  4. 4
    Cloud/API TestingTest backend services and APIs the device communicates with
  5. 5
    ExploitationAttempt to compromise device integrity, extract data, or pivot to the network
  6. 6
    ReportingDeliver findings with device-specific remediation guidance

Deliverables

  • IoT device security assessment report
  • Firmware analysis findings
  • Protocol vulnerability documentation
  • Risk-prioritized remediation roadmap
  • Hardening recommendations for deployment

Who Needs This

IoT device manufacturers, healthcare organizations with connected medical devices, industrial/OT environments, smart building operators, and any organization deploying connected devices at scale.

Ready to get started?

Tell us about your project and we'll put together a tailored proposal for your organization.

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