SOVEREIGN SECURE COMMUNICATIONS · FIFTY ZOO PTY LIMITED

Sovereign.
Secure.

End-to-end encrypted, post-quantum ready, sovereign by architecture. Built for defence, national security, and any organisation whose operations cannot afford a breach.

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09:41
E2E ENCRYPTED
Connecting
ESTABLISHING SECURE SESSION
SR
Sarah Reynolds
ACIC · Intelligence Operations
AFP CA root trusted
14ms✓
ACIC CA root trusted
22ms✓
Certificate not revoked
67ms✓
Device MDM compliant
91ms✓
Session keys negotiated
180ms✓
ALL CHECKS PASSED · CONNECTING

Every organisation has its own operational reality. What they share is a common challenge: communications infrastructure that was never designed for their threat environment. SOLUS was built to meet organisations where they are, and give them a platform that meets the standard their mission demands.

THE MISSION

Built in Australia.
Designed for sovereign operations.

SOLUS was designed from the ground up around one principle: sovereign capability should be built, owned, and controlled by you, and deployed on your infrastructure, behind your firewall.

SOVEREIGN
Your Soil. Your Control.
Deployed on your infrastructure, behind your firewall. No foreign servers. No foreign legislation. No foreign access. Data sovereignty by architecture, not by policy, not by contract.
SECURE
Zero Trust. Every Session.
Automatic identity verification against agency PKI at every session. No manual steps. ASD MDA Zero Trust principles enforced by the platform, not the user.
INTEROPERABLE
Cross-Agency by Design.
Across defence, intelligence, law enforcement, and partner organisations. SOLUS enables verified secure communications across organisational boundaries with full audit trails and classification marking.
OPERATIONAL
Consumer UX. Post-Quantum Ready Security.
Security that does not create friction is security that gets used. A familiar, intuitive interface, with post-quantum cryptographic enforcement happening invisibly underneath.
THE PLATFORM

Six capabilities. One sovereign platform.

Every capability runs inside your network boundary. No third-party binaries. No external services. No exceptions.

Encrypted Messaging & Collaboration
AES-256-GCM end-to-end encryption with Sender Keys for groups, files, and persistent channels. Server sees ciphertext only.
Encrypted Voice & Video
Per-call ECDH key exchange over a sovereign relay. No WebRTC. No SRTP. No third-party voice framework.
Post-Quantum Cryptography
Hybrid X25519 plus ML-KEM-768 key exchange aligned to NIST FIPS 203. Quantum-resistant from day one.
Sovereign AI
On-premises AI for transcription, summarisation, and threat detection. Plaintext never leaves your network boundary.
DDIL Mesh Networking
Encrypted device-to-device mesh relay when the network is denied, disrupted, intermittent, or limited. No server required.
Cross-Organisation Federation
Secure border gateway with mTLS-authenticated federation policy. Communicate across organisations without sharing identity directories.
USE CASES

Who SOLUS serves.

Federal Law Enforcement
Secure operational communications for AFP and partner agencies. Cross-agency coordination without foreign platform dependency.
Defence Operations
Battlefield and command communications with post-quantum cryptographic readiness. Designed for degraded network environments.
Intelligence Community
Compartmented communications with classification enforcement. Full audit capability for intelligence oversight requirements.
Government Executive
Ministerial and senior executive communications with OFFICIAL:SENSITIVE classification support. Mobile-first for operational realities.
Critical Infrastructure
Secure communications for operators of critical national infrastructure. Resilient against foreign cyber interference at the network layer.
AUKUS & Five Eyes
Sovereign capability positioned for allied partner integration. Australian-owned, Australian-operated, designed for coalition communications without foreign platform dependency.
ENTERPRISE & REGULATED INDUSTRIES
Financial Services
Trading floors, investment teams, and wealth management. Communications retained to APRA CPS 234 and ASIC obligations, on infrastructure under your control.
Healthcare
Clinician-to-clinician communications with classification-aware handling for patient data. Deployed inside your network boundary.
Legal Services
Privileged client communications that cannot be subpoenaed from a foreign cloud provider. Server seizure leaves communications cryptographically inaccessible.
Emergency Services
Multi-agency interoperability with mesh relay when cellular networks are damaged or overloaded. Geofenced broadcast for incident areas.
NEXT STEP
Request a confidential
technical briefing.
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ABOUT SOLUS

Sovereign communications.
Built in Australia.

Built by Australians with clearances, operational experience, and direct access to the organisations that need it most.

SOLUS was founded on a simple observation: organisations conducting sensitive operations are doing so over platforms they don't control, running on infrastructure they don't fully control, by vendors who answer to foreign governments.

The risk is not theoretical. Foreign collection against sovereign communications is active, persistent, and growing. The answer is not a policy, it is a platform.

SOLUS delivers end-to-end encrypted, sovereignly hosted communications designed for organisations whose operations cannot afford a breach. Not adapted from a consumer product. Not cloud-hosted. Not owned by a foreign entity. Deployed on your infrastructure, under your control.

Built in Australia. Cleared in Australia. Controlled by Australia.

✦
SECURITY CLEARANCE
AGSVA Cleared Vendor
Personnel hold active clearances. Cleared to operate within Australian government security frameworks.
◈
INDUSTRY MEMBERSHIP
DISP Member
Defence Industry Security Program membership. Recognised defence industry supplier.
◎
LEGAL ENTITY
Fifty Zoo Pty Limited
Australian registered company. ABN 58 629 031 830. All IP Australian-owned.
⬡
INTELLECTUAL PROPERTY
Patent Pending
Provisional patent covering the sovereign communications architecture: messaging, voice, post-quantum cryptography, sovereign AI, and federated mesh networking.
THE TEAM

Built from the inside.

The team behind SOLUS is not typical of the technology industry. Our background is not in consumer software, venture capital, or Silicon Valley security theatre. It is in the environments SOLUS is designed to serve.

Over many years, we have worked directly inside Australian Army, federal law enforcement, border protection, intelligence, and national security agencies, designing, architecting, and delivering mission-critical systems. We have sat with the operators, understood their constraints, mapped their threat models, and built to their actual requirements. That work has spanned Command and Control platforms, battlefield communications systems, cross-agency coordination tools, and sovereign infrastructure for the Australian defence and intelligence community.

We understand what it means to design for degraded networks, classification boundaries, cross-agency trust, and the consequences of failure. Not from a brief or a requirements document, from direct operational engagement with the people who carry that responsibility every day.

That experience is the foundation SOLUS is built on. It is also why we are deliberate about what we say publicly, and what we reserve for a controlled briefing.

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Clearance
AGSVA NV1 or higher
Every team member holds active AGSVA security clearance. Many also hold Home Affairs Employee Suitability Clearance. No exceptions.
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Industry Membership
DISP Member
Defence Industry Security Program membership. Recognised and trusted across the Australian defence and national security community.
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Track Record
100+ projects delivered
Internationally and Nationally across Australian Army, ADF, Department of Home Affairs, Australian Border Force, AFP, ACIC, ASIO, AUSTRAC, Police agencies, state and local governments.
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Approach
Operator-led design
Every system we build starts with the people who will use it under pressure. Requirements are defined by operational reality, not by what is technically convenient.
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Ownership
Australian. No exceptions.
Fifty Zoo Pty Limited is Australian owned and operated. Our team is based in Australia. All intellectual property remains in Australian hands.
INTERESTED?
Meet the team.
See the platform.
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TECHNOLOGY

Built for the threat.
Not the brochure.

SOLUS was not adapted from consumer software. It was designed from first principles around the security requirements, compliance frameworks, and operational realities of defence, national security, and regulated industries.

SECURITY PRINCIPLES

What we've solved.

The hardest problems in secure government communications are not technical novelties, they are known, well-documented, and consistently unsolved by platforms built for other markets.

01
End-to-End Encryption: by architecture
Every SOLUS communication is encrypted such that no intermediary, including SOLUS infrastructure, can access message content. Encryption is not a feature that can be disabled. It is the architecture. Forward secrecy is enforced by design, not policy.
02
Zero Trust identity: every session
SOLUS enforces continuous identity verification aligned with ASD's Maturity Model for Zero Trust. Identity is not assumed from a prior login. It is attested cryptographically at every session, against your agency's own certificate infrastructure. A compromised credential does not persist.
03
Device integrity as a hard gate
Device compliance is not a warning, it is a session prerequisite. SOLUS enforces MDM enrolment, biometric authentication, and certificate validity as non-negotiable conditions before any communication is permitted. A non-compliant device cannot participate. There is no override.
04
Post-quantum cryptographic readiness
Harvest-now-decrypt-later attacks are not a future problem. They are happening now. SOLUS is designed to transition to post-quantum cryptographic standards, aligned with NIST PQC finalisation, before quantum-capable adversaries become operational. Readiness is built into the architecture, not bolted on later.
05
Sovereign deployment: no exceptions
SOLUS runs on your infrastructure, behind your firewall. There is no cloud dependency, no foreign data transit, and no third-party visibility at any layer. Data sovereignty is enforced by architecture, not by contract, not by policy, not by a foreign vendor's promise.
COMPLIANCE & STANDARDS

Designed to exceed the standard.

SOLUS is built against the frameworks that govern Australian government and defence communications. Not retrofitted to meet them, designed to meet them from the ground up.

FRAMEWORKRELEVANCE TO SOLUSPOSTURE
ASD MDA Australian Signals Directorate Mobile Device Administration. Governs secure mobile device use across Commonwealth entities. SOLUS identity and device compliance architecture is designed to ASD MDA requirements. ALIGNED
ISM Information Security Manual. ASD's overarching framework for protecting Australian Government information. SOLUS encryption, access control, and audit capabilities are designed against ISM controls. ALIGNED
PSPF Protective Security Policy Framework. Governs the handling and classification of Commonwealth information. SOLUS supports OFFICIAL and OFFICIAL:SENSITIVE classification markings within the communications workflow. ALIGNED
Zero Trust ASD's Zero Trust maturity model. SOLUS enforces never-trust-always-verify at the identity, device, and session layer, not as a configuration option, but as the default operating model. BY DESIGN
NIST PQC NIST Post-Quantum Cryptography standards. SOLUS implements hybrid classical/post-quantum key exchange combining X25519 and ML-KEM-768 (NIST FIPS 203). Quantum-resistant from day one. IMPLEMENTED
IRAP Infosec Registered Assessors Program. Independent assessment of Australian government systems against the ISM. SOLUS architecture is aligned to IRAP requirements at PROTECTED level. ALIGNED
APRA CPS 234 Australian Prudential Regulation Authority Prudential Standard CPS 234. Governs information security for APRA-regulated financial institutions. SOLUS encryption, access control, and audit capabilities support CPS 234 obligations for protecting information assets. ALIGNED
HIPAA Health Insurance Portability and Accountability Act. US framework for protecting electronic health information. SOLUS classification-aware messaging and on-premises deployment support HIPAA Privacy and Security Rule requirements. ALIGNED
GDPR General Data Protection Regulation. EU framework for data protection and residency. SOLUS sovereign deployment ensures personal data remains within the controller's jurisdictional boundary, with no third-party processor access. ALIGNED
THE PROBLEM WITH THE ALTERNATIVES

Why existing platforms
are not the answer.

FOREIGN OWNERSHIP
US platforms operate under US law.
CLOUD Act, FISA Section 702, and Executive Orders give US authorities legal access to data held by US-owned platforms, regardless of where that data is physically stored. Defence agencies, financial institutions, healthcare providers, and law firms using these platforms have no guarantee their communications are not accessible to foreign governments.
CONSUMER ARCHITECTURE
Built for scale. Not for security.
The dominant encrypted messaging platforms were designed for billions of consumer users. Their threat model is not your threat model. Compromise at scale, account recovery mechanisms, and cloud backup features are acceptable trade-offs for consumers, they are not acceptable for defence operations, regulated communications, or privileged client matters.
NO SOVEREIGN CONTROL
You don't control the infrastructure.
Even platforms marketed as "secure" or "encrypted" rely on infrastructure you do not own, operated by entities you cannot compel, under legal frameworks that do not favour you. Sovereignty is not a setting. It requires architecture built for it from the start.
COMPLIANCE GAP
None meet sovereign standards.
No widely-used commercial messaging platform is designed against ASD ISM, APRA CPS 234, HIPAA, or GDPR data residency requirements. Organisations using them are operating outside the framework, accepting risk that cannot be quantified, mitigated, or defended in the event of a breach or oversight inquiry.
THE TEAM

Built by people who know
the environment.

SOLUS was not designed in isolation from the problems it solves. It was built by a team with direct, operational experience inside the environments it is designed to protect.

The team behind SOLUS has spent years working inside Australian defence, national security, and law enforcement, not as consultants observing from the outside, but as practitioners who have designed, built, and operated systems in those environments.

That experience informs every design decision in SOLUS. The threat models are not theoretical. The compliance requirements are not interpreted second-hand. The operational constraints, degraded networks, cross-agency coordination, classification handling, device trust in the field, are understood from having worked within them.

We hold AGSVA security clearances and DISP membership. We have delivered Command and Control platforms for the Australian Army, battlefield communications systems for joint operations, and sovereign defence capability for Australian government agencies. That work is not something we advertise in detail, and neither will we here.

What it means for SOLUS is that the people building it have stood where its users will stand. That is not a credential we claim lightly.

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Clearance
AGSVA Security Cleared
Personnel hold NV1 clearance or higher. SOLUS is built and operated by cleared Australian nationals.
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Industry Membership
DISP Member
Defence Industry Security Program membership. Fifty Zoo Pty Limited meets the security obligations required for access to Australian defence information and facilities.
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Operational Background
Defence & National Security
The team has delivered systems for Australian Army, ADF, and Australian Government agencies. That experience is the foundation SOLUS is built on.
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Sovereignty
Australian Owned & Operated
Fifty Zoo Pty Limited is an Australian company. No foreign ownership. No foreign staff. No foreign obligations.
GO DEEPER
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whitepaper.
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CONTACT

Book a confidential
technical briefing.

Briefings are conducted under NDA and include a live platform demonstration, the technical whitepaper, and a detailed architecture walkthrough.

WHAT TO EXPECT
A 60-minute confidential briefing
We walk through the threat landscape, the SOLUS architecture, and a live platform demonstration. Conducted under NDA.
ORGANISATION
Fifty Zoo Pty Limited
ABN 58 629 031 830
AGSVA Security Cleared (Personnel)
DISP Member
GENERAL ENQUIRIES
info@fiftyzoo.com
WEBSITE
fiftyzoo.com
Fifty Zoo Pty Limited, the technology company behind SOLUS.
Request a Briefing

Complete the form and we will respond within one business day to confirm your briefing.

All enquiries are treated as confidential. We respond within one business day. Briefings are conducted under mutual NDA.