Every connection is untrusted until verified. Every device is unmanaged until enrolled. Every request is unauthorized until validated. Every session is monitored until terminated.
Ariana Nexus operates at the intersection of healthcare, artificial intelligence, government, and research — four domains where a single unauthorized access event can compromise patient safety, national security, model integrity, or the physical safety of Afghan diaspora scholars. The traditional perimeter security model — trust everything inside the network, block everything outside — was designed for an era when organizations had a single office, a single data center, and a single threat surface. That era is over.
Ariana Nexus has adopted a Zero Trust security architecture as the foundational governance model for all systems, data, and operations. Zero Trust is not a product. It is not a feature. It is an operational philosophy: assume breach, verify explicitly, enforce least privilege, and inspect continuously.
Ariana Nexus implements Zero Trust across six control planes, aligned with the NIST SP 800-207 Zero Trust Architecture framework and the CISA Zero Trust Maturity Model:
1. Identity — Every user, service account, and workload identity is verified through strong authentication before access is granted. No implicit trust based on network location, device type, or prior session.
2. Device — Every endpoint that accesses Ariana Nexus systems is enrolled, managed, and assessed for compliance posture before access is permitted. Unmanaged devices are restricted to a limited access tier.
3. Network — Network segmentation and micro-segmentation isolate workloads, data stores, and service layers. Lateral movement is restricted by policy. Internal traffic is treated with the same scrutiny as external traffic.
4. Application — Application access is governed by role-based policies, enforced at the application layer. Shadow IT is monitored and controlled.
5. Data — Data is classified, labeled, and protected based on sensitivity. Access to data is governed by identity, device posture, and the principle of least privilege — not by network membership.
6. Visibility and Analytics — All access events, authentication attempts, policy violations, and anomalous behaviors are logged, correlated, and analyzed in real time.
Ariana Nexus operates within the Microsoft 365 Business Premium ecosystem, which provides an integrated security stack purpose-built for Zero Trust enforcement. The following components are currently deployed and operational:
Ariana Nexus enforces identity-centric access control through Microsoft Entra ID (formerly Azure Active Directory), the central identity plane for all organizational access.
Currently Enforced:
Ariana Nexus deploys Microsoft Defender for Office 365 (Plan 1, included in Business Premium) to protect the primary communication and collaboration surface:
Currently Active:
Ariana Nexus manages all organizational devices through Microsoft Intune, ensuring that every endpoint meets compliance requirements before accessing corporate resources:
Currently Active:
Ariana Nexus deploys Microsoft Purview to classify, label, and protect sensitive data across the entire Microsoft 365 environment:
Currently Active:
Every access request is authenticated and authorized based on all available data points — identity, location, device health, service or workload, data classification, and anomaly detection. Ariana Nexus does not grant access based on network location alone. A user connected to the office Wi-Fi receives the same scrutiny as a user connecting from a hotel in another country.
Access is granted on a just-enough and just-in-time basis. No user has standing administrative access to production systems. Privileged roles are assigned through time-limited elevation with approval workflows. Regular access reviews ensure that permissions reflect current job functions, not historical accumulation.
Ariana Nexus designs its security architecture under the assumption that any component — user account, device, application, or network segment — may already be compromised. This assumption drives the architecture toward segmentation, end-to-end encryption, continuous monitoring, and automated response. The goal is not to prevent all breaches (no organization can guarantee that) but to minimize blast radius, detect compromise rapidly, and contain impact before it spreads.
Ariana Nexus's Zero Trust architecture is designed in alignment with the following recognized frameworks and standards:
NIST SP 800-207 (Zero Trust Architecture) — Aligned. Core reference architecture for Zero Trust design.
CISA Zero Trust Maturity Model — Aligned. Used for self-assessment across five pillars.
NIST Cybersecurity Framework (CSF) 2.0 — Aligned. Identify, Protect, Detect, Respond, Recover, Govern.
Microsoft Zero Trust Deployment Guide — Implemented. Active deployment within M365 Business Premium.
NIST SP 800-171 Rev. 2 / Rev. 3 — Roadmap. Required for CUI handling — SSP in development.
CMMC Level 2 — Roadmap (2027). Certification target for defense engagements.
ISO 27001:2022 — Roadmap (2027). Formal certification planned.
SOC 2 Type II — Roadmap (2026–2027). Engagement with auditor planned.
FedRAMP — Roadmap (2028). Long-term target for federal cloud authorization.
HIPAA Security Rule (45 CFR § 164.302–318) — Aligned. Technical safeguards implemented via M365 stack.
Terminology:
Ariana Nexus views Zero Trust as a multi-year journey. The following roadmap reflects our planned maturation path:
When Ariana Nexus provides interpretation, translation, or cultural competency services involving Protected Health Information, Zero Trust controls ensure that access to PHI is limited to credentialed personnel with active BAAs, authenticated through MFA, operating on compliant devices, and governed by Purview DLP policies that prevent unauthorized transmission. No PHI is accessible to any user, device, or application that has not passed all six Zero Trust control planes.
For engagements involving Controlled Unclassified Information, Ariana Nexus applies the 110 security requirements of NIST SP 800-171 within its Zero Trust framework. CUI is isolated in dedicated SharePoint environments with restricted access policies, Sensitivity Labels enforcing encryption and watermarking, and DLP rules preventing exfiltration. All CUI processing occurs within the United States.
The AI Data Factory processes linguistic, cultural, and annotation data for AI model training and validation. Zero Trust controls govern access to training datasets, annotation pipelines, and quality assurance outputs. Human-in-the-loop (HITL) reviewers are authenticated individually, their device posture is verified, and their access is scoped to only the data elements required for their specific task.
Academic research collaborations involving sensitive data are governed by data-use agreements and enforced through the same Zero Trust controls. External collaborators are granted limited, time-bound access through guest policies in Microsoft Entra ID, with MFA required and device compliance assessed.
For procurement officers: Ariana Nexus can demonstrate, through configuration evidence and audit logs, that access to your data is governed by identity verification, device compliance, and least-privilege policies — not by perimeter assumptions.
For CISOs and security teams: Our Zero Trust architecture is built on a recognized enterprise platform (Microsoft 365) with native integration across identity, endpoint, email, and data protection — not a patchwork of point solutions.
For compliance officers: Our framework alignment with NIST SP 800-207, CISA Zero Trust Maturity Model, HIPAA Security Rule, and NIST SP 800-171 provides documented evidence of control implementation that maps directly to your audit requirements.
For government contracting officers: Our roadmap to CMMC Level 2, SOC 2 Type II, and FedRAMP demonstrates a planned and resourced path to the certifications required for government engagements.
If your organization requires specific security documentation, configuration evidence, or a security architecture briefing, contact trust@ariananexus.com or (607) 697-5250.
No Guarantee of Absolute Security. Ariana Nexus implements commercially reasonable security measures aligned with recognized industry frameworks. However, no security architecture — including Zero Trust — can guarantee absolute protection against all threats. Ariana Nexus expressly disclaims any warranty or guarantee that its systems, networks, or data will be completely immune from unauthorized access, cyberattack, data breach, or other security incidents.
Framework Alignment vs. Certification. Where this page states that Ariana Nexus is "aligned" with a security framework, this means that Ariana Nexus has designed its controls in accordance with the framework's principles and requirements but has not undergone formal third-party certification or audit against that framework unless explicitly stated otherwise. Alignment is not certification. Where formal certifications are on the roadmap, target dates are provided in good faith but are subject to change based on business priorities, auditor availability, and regulatory developments.
Roadmap Items. The maturity roadmap described in this page reflects Ariana Nexus's current plans and intentions as of the Effective Date. Roadmap items are forward-looking statements and are not commitments, guarantees, or obligations. Ariana Nexus reserves the right to modify, defer, or reprioritize roadmap items at its sole discretion. No client, partner, or third party may rely on roadmap items as binding commitments. Specific security obligations for client engagements are defined exclusively in the applicable Engagement Agreement.
Third-Party Platform Dependency. Ariana Nexus's Zero Trust implementation relies on the Microsoft 365 Business Premium platform and its component services (Entra ID, Defender, Intune, Purview). Ariana Nexus does not control the development, availability, security, or functionality of Microsoft's platform and expressly disclaims liability for any security incident, service interruption, vulnerability, or data breach attributable to the Microsoft platform or any other third-party service.
Limitation of Liability. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, ARIANA NEXUS'S TOTAL AGGREGATE LIABILITY FOR ALL CLAIMS ARISING OUT OF OR RELATED TO THE SECURITY ARCHITECTURE DESCRIBED IN THIS PAGE SHALL NOT EXCEED THE AMOUNTS SET FORTH IN THE APPLICABLE ENGAGEMENT AGREEMENT, OR, WHERE NO ENGAGEMENT AGREEMENT EXISTS, ONE HUNDRED DOLLARS ($100). ARIANA NEXUS SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, PUNITIVE, OR EXEMPLARY DAMAGES ARISING FROM OR RELATED TO ANY SECURITY INCIDENT, REGARDLESS OF THE THEORY OF LIABILITY. NOTHING IN THIS SECTION SHALL LIMIT OR EXCLUDE ARIANA NEXUS'S LIABILITY FOR: (A) FRAUD OR FRAUDULENT MISREPRESENTATION; (B) DEATH OR PERSONAL INJURY CAUSED BY NEGLIGENCE; OR (C) ANY OTHER LIABILITY THAT CANNOT BE EXCLUDED OR LIMITED BY APPLICABLE LAW, INCLUDING BUT NOT LIMITED TO LIABILITY UNDER THE UK UNFAIR CONTRACT TERMS ACT 1977, THE UK CONSUMER RIGHTS ACT 2015, OR GDPR.
Dispute Resolution. Any dispute arising out of or relating to the contents of this page shall be subject to the dispute resolution provisions set forth in the Terms of Use, Section 18.
