What is Autonomous Key Management?

What is AKM, and what makes it autonomous?

Autonomous Key Management (AKM) is a patented protocol in which symmetric credentials manage themselves. Endpoints are provisioned once with a pre-shared crypto seed. From then on, keys refresh continuously, every packet is verified and a self-healing mechanism restores availability, with no renewals, no manual rotations and no human in the loop.

Certificate-based identity puts people in the loop: someone issues each certificate, tracks its expiry, renews it and revokes it. Automation speeds those steps up. AKM removes them, because autonomy is a property of the protocol itself.

In practice, “autonomous” means three things:

• Provision once. An endpoint receives its crypto seed at setup and needs no further provisioning.
• No renewals or rotations to schedule. Keys refresh continuously on their own. There is no expiry date to track, so no renewal calendar and no outage when someone misses one.
• No human in the loop. Once provisioned, AKM runs perpetually without operator intervention. Every manual step removed is an attack surface that no longer exists.

In AKMSecure’s usage, “AKM” always stands for Autonomous Key Management; it is unrelated to the rifle of the same name.

How does Autonomous Key Management work?

AKM works in four steps. A pre-shared crypto seed generates key material. Symmetric keys refresh continuously and autonomously. Every packet is verified without a stored secret. A self-healing mechanism restores availability. The cryptography is symmetric-only: AES-256 with SHA-384/512, optional hardware security module (HSM) integration and no certificate authorities.

Under those four steps sits a crypto-agile, symmetric-only pipeline:

• AES-256 for encryption.
• SHA-384/512 for hashing and integrity.
• Optional HSM integration for organizations that anchor key material in hardware.
• No certificate authorities, and no asymmetric algorithms in authentication or key management.

AES-256 and SHA-384/512 are established, NIST-approved algorithms. What AKM changes is the operating model around them: no authority, no renewals and no people.

Why eliminate certificates instead of managing them better?

PKI’s failures are structural, so better management cannot fix them. Certificates expire by design, trust hangs on certificate authorities, renewal depends on people, and validation depends on connectivity. Certificate lifecycle management automates the chores but keeps every dependency. AKM eliminates certificates, and the expiry dates, authorities and renewal work go with them.

PKI is broken in four places:

• Expiry. Certificates are built to expire, and every expiry date is an outage waiting for a missed renewal. The CA/Browser Forum has adopted a schedule that cuts the maximum validity of public TLS certificates from 398 days to 47 days by March 2029. One expired certificate grounded Alaska Airlines.
• Certificate authority dependency. Every certificate chains back to an authority, a single point of failure and a high-value target.
• Manual renewal. Issuing, tracking, renewing and revoking certificates is people’s work, and every hand-off is a chance for error.
• Connectivity dependence. Certificate validation expects a path back to the authority. Air-gapped, disconnected and contested networks often have none, so PKI either degrades there or never arrives.

Certificate lifecycle management (CLM) automates discovery and renewal. It shortens the list of outages without removing their cause. Modernizing PKI treats the symptom: an expired certificate still takes a service down, the authority is still a dependency, and every persistent credential is still a target. A better mop doesn’t fix a leaking roof.

AKM has no certificate inventory to discover, no expiry to automate around and no authority to depend on. For trust model, renewal burden, air-gap behavior and quantum posture side by side, see Autonomous Key Management vs. PKI.

Where does AKM run?

AKM runs wherever machines need to trust each other: enterprise IT, operational technology and critical infrastructure, and the tactical edge. It is air-gapped capable, so it keeps working in disconnected, denied and contested environments. The SDK is sub-1MB and embeds in existing hardware and software, from servers to substations.

Enterprise IT

Machine identity for servers, virtual machines, containers and endpoints, without the certificate inventory, renewal work and expiry outages.

OT and critical infrastructure

PLCs, SCADA and industrial control systems have little room for certificate enrollment, renewal and revocation checks. Where certificates cannot be deployed, field devices fall back to shared static credentials, factory defaults or nothing at all. AKM’s small footprint and air-gapped capability fit those constraints. More in key management for OT and industrial control systems.

Tactical edge and disconnected environments

Forward-deployed systems operate in denied, degraded, intermittent and limited (DDIL) conditions where no certificate authority is reachable. AKM needs no authority to refresh keys or restore availability, so protection holds when the link does not.

Inside partner products

The SDK embeds in existing hardware and software, with no rip-and-replace. Partners build it into their own products and keep their own accreditation path: one integration, every market.

How does AKM handle the quantum threat?

AKM is quantum-resilient by architecture. It uses only symmetric cryptography, AES-256 with SHA-384/512, and is aligned to CNSA 2.0 symmetric-key guidance. Quantum computing threatens public-key algorithms such as RSA and elliptic-curve cryptography, which AKM does not use, so there is no asymmetric migration to plan and no public-key material to harvest.

The risk is already live. A joint CISA, NSA and NIST quantum-readiness factsheet warns that threat actors could be collecting data today that still needs protection later, a “harvest now, decrypt later” operation, and that products relying on public-key algorithms such as RSA, ECDH and ECDSA will need to be updated, replaced or significantly altered. Adversaries have already priced quantum decryption into their strategy.

Post-quantum cryptography (PQC) swaps one set of public-key algorithms for another. The certificates, authorities and persistent credentials stay, and every system faces a multi-year migration. AKM has nothing to migrate: it runs on AES-256 and SHA-384/512, the symmetric algorithms CNSA 2.0 keeps while it retires RSA, Diffie-Hellman and elliptic-curve algorithms.

The resilience is architectural: there is no asymmetric key exchange for an adversary to record and break later. For the requirements and dates that apply to National Security Systems, see CNSA 2.0 and the quantum-safe deadline.

What does Zero Trust look like with AKM?

With AKM, Zero Trust is enforced at the protocol layer. Every session is independently verified and every packet is checked. Keys are session-based and refresh continuously, so there are no standing credentials to steal or reuse. A captured key is already stale, and lateral movement has nothing to work with.

NIST SP 800-207 describes Zero Trust as granting no implicit trust to assets or user accounts based solely on network location or ownership, with authentication and authorization performed before a session to a resource is established. Most programs approximate that with policy layered over certificates and long-lived keys. The credential underneath still persists.

Persistent credentials are what intruders want. A joint CISA, NSA and FBI advisory reports that Volt Typhoon, pre-positioning inside U.S. critical infrastructure, primarily relies on valid credentials for persistence. Volt Typhoon doesn’t hack in; it logs in.

AKM maps directly onto the Zero Trust model:

• Every session verified. No earlier handshake stands in for trust.
• Every packet checked. Integrity is verified without a stored secret to steal.
• No standing privileges. Nothing persists for an attacker to reuse.
• No lateral movement. A foothold on one system yields no credential that opens the next.

This is also why AKM delivers continuous authentication, which PKI cannot deliver because it authenticates once, at session start.

Who builds AKM?

AKM is built by AKMSecure, a cybersecurity company based in Newport Beach, California. The protocol is protected by seven patents, four granted and three pending. The leadership team brings experience across aerospace, defense, critical infrastructure and embedded systems, and a Board of Advisors adds national security, defense research and Zero Trust expertise.

Between them, the leadership team has more than 100 years of experience, including avionics for Airbus, security protocols for Boeing and hardened control systems for global rail networks. Team members have contributed to the IEC 62443 and CENELEC TS-50701 cybersecurity standards. Brian McGowan is Chief Executive Officer, and founder Bart Shields is Chief Technology Officer. Meet the full team and advisors on the About AKMSecure page.