Satsuma Cyberworks — Cryptographic & Cyber Advisory
Sovereign cryptographic and cyber capability for the United States Government — engineered with the discipline of a craft, delivered without conflict or noise.
What We Do
Narrow by design. We take on the hard, high-consequence problems where cryptographic and cyber engineering meet the realities of federal mission and acquisition.
Cryptographic Advisory
Strategy and engineering for the cryptographic foundations your mission depends on — from key management to the post-quantum transition.
- Key management & PKI architecture
- Post-quantum & FIPS 140-3 transition
- HSM & root-of-trust strategy
- Crypto modernization for tactical & classified environments
Cyber Strategy & Architecture
Security engineering that holds up under adversary pressure — designed in, not bolted on, across enterprise and cyber-physical systems.
- Zero-trust & resilient system design
- Cyber-physical / OT assurance
- Security engineering & RMF
- Threat modeling & architecture review
USG Program & Acquisition Support
Independent, conflict-free technical advisory for the government teams who own the program and answer for the outcome.
- Technical & engineering advisory (SETA-style)
- Requirements & source-selection support
- Independent assessment & evaluation
- Technology due diligence
How We Work
Engineered, Not Improvised
Rigor over theater. Every recommendation traces to a requirement and a threat.
Independent & Conflict-Free
We advise; we don't sell you the answer. Your interest is the only one in the room.
Cleared & Credentialed
Built to operate inside the spaces and standards the mission demands.
Mission Before Motion
Quiet, durable capability in service of the country we work for.
The Shūseikan Lineage
島津 · Shimazu
In the 1850s, in Kagoshima at the foot of Sakurajima, the Satsuma lord Shimazu Nariakira built the Shūseikan — Japan's first modern industrial complex.
Reverberatory furnaces. An ironworks. A shipyard and a glassworks. A samurai house reverse-engineered Western metallurgy from Dutch books and built what the nation needed before the nation knew it needed it. It was tradition and the most advanced technology of the age, fused under one discipline — the conviction that capability is a duty, not a luxury.
Satsuma Cyberworks carries that posture into a new domain. We bring the same craft to cryptography and cyber: hard problems, sovereign capability, and quiet service to the mission.
Request a Briefing
Engagements begin with a scoping conversation. Tell us the mission and the constraint; we'll tell you straight whether and how we can help.
engage@satsumacyber.com