QuarkLink™ – OTA Updates &
Service Onboarding

Automate trusted service onboarding and firmware updates across every device

QuarkLink™ helps you roll out software and connect to cloud platforms without risk. Devices authenticate themselves using verified certificates, while OTA updates are signed, encrypted, and delivered securely.

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QuarkLink™ reduces the time, cost, and risk of delivering OTA updates

  • Embedded Developers
    Automate cloud onboarding and firmware updates without writing complex crypto or PKI code.
  • DevOps & CI/CD Teams
    Use the QuarkLink™ CLI to integrate OTA delivery and code signing into existing toolchains.
  • Cloud & IT Ops Teams
    Provision and connect devices to AWS, Azure, or MQTT brokers with secure mutual authentication.
  • Security Architects
    Ensure every device verifies update signatures and connects only with authorized cloud services.

IoT devices

Trusted Cloud Access

Devices connect using mTLS with unique identities and certificates, eliminating spoofing risks

IoT devices

Automated Code Signing

Firmware is signed and encrypted automatically to ensure only verified updates are deployed

IoT devices

Simple OTA Rollout

Push secure updates to devices in the field, no matter the network or cloud infrastructure

Integrates with CI/CD

Add secure signing and update delivery to your existing development workflows

No Vendor Lock-in

Works with AWS, Azure, private brokers, and custom IoT backends

Built for Scale

Manage onboarding and updates for fleets of thousands with minimal manual effort

Mutual TLS Onboarding

Every device connects to the cloud with mutual authentication, backed by unique X.509 certificates and keys.

Secure OTA Delivery

Firmware images are signed and encrypted. Devices reject tampered or unsigned software.

Code Signing Automation

QuarkLink™ manages code signing keys and automates signing during build or release processes.

Cloud-Agnostic Support

Out-of-the-box onboarding for AWS IoT, Azure IoT Hub, MQTT brokers, and private platforms.

CI/CD Integration

Use the QuarkLink™ CLI to automate OTA packaging, signing, and cloud registration from GitHub, GitLab, Jenkins, or any other DevOps system.

IoT devices

X.509 Certificate Support

Devices use industry-standard certificates for TLS authentication

IoT devices

Update Integrity Check

Devices verify firmware signature before applying the update

IoT devices

Cloud Integrations

AWS IoT, Azure IoT Hub, custom MQTT brokers, private clouds

IoT devices

Hardware Compatibility

MCU, MPU, Linux, etc

Encrypted OTA Updates

Firmware encrypted in transit and at rest

Audit-Friendly PKI Logs

Trace code signing and cloud onboarding events

Failover Safe

Rollback support and retry mechanisms included

Dev to Prod Flexibility

Use same tools for testing, staging, and live fleets

Accelerate compliance with the Cyber Resilience Act (CRA)

The EU Cyber Resilience Act (CRA) introduces mandatory security requirements for all connected products sold in Europe. QuarkLink™ has been independently evaluated by leading cybersecurity consultancy cetome, with findings confirming that it significantly supports CRA compliance.

Highlights from the independent assessment:

  • Secure-by-default configuration: ⭐ Excellent
  • Secure firmware updates (OTA): ⭐ Excellent
  • Data integrity: ⭐ Excellent
  • Secure-by-design support: ✅ Good
  • Access control: ✅ Good
  • Data confidentiality: ✅ Good

QuarkLink provides secure boot, certificate management, and OTA update features which are key to building secure-by-design products ready for CE Marking and CRA compliance.

Download QuarkLink CRA Assessment

Connect securely and keep every device up to date

QuarkLink™ lets you build cloud-ready devices and update them with confidence. Whether you’re pushing your first firmware image or rolling out to 100,000 devices, QuarkLink™ handles authentication, signing, encryption, and delivery automatically.

QuarkLink Ignite™ is a completely free version of our SaaS product that allows you to experience the full power of QuarkLink™

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