From silicon to agent. One chain of trust.

What it is

The hardware root of trust: the cryptographic anchor embedded at chip level that every higher layer ultimately depends on.

The threat at this layer

Compromised boot integrity. Supply chain tampering at fabrication. Weak or misconfigured secure-element provisioning that cascades upward through every subsequent layer.

What KT Secure governs

Secure boot chain design and governance. Hardware-anchored key custody. Policy for secure-element provisioning and attestation across multi-supplier silicon ecosystems.

What it is

The software that runs on the hardware. The first place where external supplier code actually lands and executes.

The threat at this layer

Unsigned or tampered firmware updates. Over-the-air delivery compromise. Multi-supplier code reaching the device without centralised verification or governance.

What KT Secure governs

OTA firmware signing across the full supplier ecosystem. Multi-supplier code verification before firmware reaches the device. Signing policy aligned to UNECE WP.29 and ISO 21434.

What it is

The endpoint: vehicle, medical device, industrial control system, connected asset. The thing the world depends on.

The threat at this layer

Device impersonation. Unauthorised access. Lifecycle drift between policy intent and operational reality across fleets of hundreds of thousands of devices.

What KT Secure governs

Device identity issuance and management at scale. Certificate lifecycle automation. Governance frameworks for device provisioning, decommissioning, and incident response.

What it is

The backend estate where keys, certificates, and cryptographic material are managed and operated.

The threat at this layer

Hyperscaler dependency. Key custody exposure. Loss of jurisdictional control over the most sensitive cryptographic material in your organisation.

What KT Secure governs

Sovereign HSM-backed cryptographic estate. No hyperscaler dependency. Your keys, under your governance policy, in your jurisdiction, designed and operated as a managed service.

What it is

The service-to-service boundary. Every integration point between internal systems, partners, and external suppliers.

The threat at this layer

Unauthenticated machine-to-machine traffic. Repudiation risk. Secrets sprawl. Credentials hardcoded or mismanaged across hundreds of service pairs.

What KT Secure governs

API signing, service identity, and non-repudiation. Cryptographic attestation of every service-to-service transaction that matters.

What it is

The identities of machines, workloads, services, and scripts that act inside and around your systems. The population that outnumbers human identities ten to one.

The threat at this layer

Secrets sprawl. Unmanaged machine credentials. Orphaned service accounts with privileged access. The most common cause of modern breach at scale.

What KT Secure governs

Machine identity frameworks. Certificate-based authentication for workloads. Governance policy for the non-human identity population across cloud, on-premise, and hybrid environments.

What it is

Autonomous agents acting on behalf of the organisation: making decisions, triggering actions, executing workflows without continuous human oversight.

The threat at this layer

Unaccountable behaviour. Policy drift. Governance gaps. An emerging class of identity that most organisations have not yet integrated into their trust architecture at all.

What KT Secure governs

AI agent identity and behavioural governance. ISO/IEC 42001-aligned frameworks. Auditability for autonomous action, written by the team that authored AI governance policy for a Tier 1 OEM.