SaaS Platform API Security

SaaS Company Securing API Licensing with Orvexium

Client Profile

A UK-based SaaS company providing a productivity tooling platform to approximately 2,400 enterprise users across twelve countries. The client operated a subscription model with three feature tiers but had no cryptographic enforcement at the API layer — access was managed through application-level flag checks that could be bypassed through direct API calls.

Security Challenge

The client identified systematic feature-tier circumvention — users on lower subscription tiers were accessing premium API endpoints through direct requests that bypassed front-end entitlement gates. Additionally, there was no mechanism to instantly revoke access for terminated accounts, creating a window between offboarding and access cessation.

Implementation Approach

Orvexium integrated the Lokindi License Validation Engine as an API gateway middleware layer. Cryptographically signed license keys were issued per user, carrying embedded entitlement metadata for their subscription tier. Every API request validated the key in real time before any application logic executed. Subscription state was checked on every call against Orvexium's validation infrastructure.

Technical Stack

  • Lokindi License Validation Engine (Orvexium managed SaaS)
  • HMAC-signed license keys with embedded tier metadata
  • Laravel-based validation API with rate limiting and IP filtering
  • TLS 1.3 enforced on all API communication channels
  • Real-time revocation propagation across all active sessions

Measurable Outcomes

  • Eliminated all identified feature-tier circumvention vectors
  • Reduced access revocation latency from 24–48 hours to under 30 seconds
  • Subscription enforcement moved from application logic to cryptographic infrastructure
  • Audit log completeness increased from partial to 100% API call coverage
Startup Encrypted Communications

Startup Implementing Encrypted Communication Infrastructure

Client Profile

A Berlin-based B2B communications startup serving professional services firms — including legal practices, accountancy firms, and financial advisors — requiring secure client communication channels. The platform was pre-launch and required a foundational security architecture that could scale from the initial 50-firm pilot to an anticipated 800-firm deployment within 18 months.

Security Challenge

The client required end-to-end encryption for all data in transit and at rest, with zero plain-text policies applicable even to platform administrators. The professional services target market demanded demonstrable compliance with GDPR and sector-specific data handling obligations, including solicitor-client privilege protections and financial data confidentiality requirements under applicable EU directives.

Implementation Approach

Orvexium designed and implemented the communication security architecture from the infrastructure layer upward. TLS 1.3 with certificate pinning was enforced on all channels. HMAC-SHA256 payload signing was applied to all API request-response pairs. Data at rest was encrypted using AES-256-GCM with per-tenant key isolation. All encryption operations were implemented natively — no third-party encryption libraries were introduced into the dependency chain.

Technical Stack

  • TLS 1.3 with HSTS and certificate pinning on all endpoints
  • HMAC-SHA256 payload integrity verification (request and response)
  • AES-256-GCM encryption at rest with per-tenant key isolation
  • Orvexium Encrypted Communication Infrastructure framework
  • Continuous certificate validity monitoring with automated response
  • Zero plain-text policy enforced at infrastructure level, not application logic

Measurable Outcomes

  • Zero plain-text data exposure across all monitored channels — confirmed by penetration testing
  • GDPR-compliant data-in-transit and data-at-rest encryption architecture documented for DPA submissions
  • Certificate management incidents reduced to zero through automated monitoring
  • Security posture sufficient to satisfy due diligence requirements of three enterprise law firm clients
Parental Control Lokindi Infrastructure

Parental Control Platform Deploying Lokindi Supervision Infrastructure

Client Profile

A consumer software company operating in the digital wellbeing and parental supervision market, serving families in seven European markets. The client's existing product architecture relied on a self-hosted server model for parental dashboard access, which created operational maintenance burden, intermittent availability issues, and — critically — stored child usage data on infrastructure the company directly managed with insufficient isolation controls.

Security Challenge

Processing child usage data under GDPR Article 8 requirements imposed strict obligations on lawful basis, data minimisation, and access governance. The existing architecture lacked cryptographic access control — parent credentials were managed through a standard username-password system without device binding, session expiry enforcement, or granular permission scoping. There was no mechanism to prevent unauthorised third parties from accessing supervision data if credentials were compromised.

Implementation Approach

The client migrated supervision infrastructure to the Lokindi platform, operated by Orvexium. License keys replaced username-password authentication — each parent account received a cryptographically signed license key bound to their provisioned device scope. Child device monitoring data was transmitted through TLS 1.3 encrypted channels with certificate pinning. The administrative dashboard was restricted to accounts holding valid, unexpired license keys validated against Orvexium's API in real time.

Technical Stack

  • Lokindi platform — SaaS-based, operated by Orvexium (no client-side server infrastructure)
  • License key authentication with device-binding and session duration enforcement
  • TLS 1.3 + certificate pinning on all supervision data transmission channels
  • Orvexium data processing under GDPR-aligned Data Protection Policy
  • Granular RBAC: Parent (Supervisor) and Child (User) roles with scoped permissions
  • Remote policy enforcement and session termination capability

Measurable Outcomes

  • Eliminated self-hosted infrastructure maintenance burden entirely — no server management overhead
  • Platform availability increased from 94.7% to 99.9% SLA under Orvexium operational management
  • Credential-based access vulnerabilities replaced by cryptographic license enforcement
  • GDPR Article 8 compliance posture significantly strengthened — documented for regulatory review
  • Child data processing moved to Orvexium's GDPR-aligned data governance framework
Enterprise Distributed Security

Enterprise Securing Distributed Device Fleet and Remote Workforce

Client Profile

A multinational professional services organisation with 1,800 employees across fourteen offices in nine countries. Following a structural shift to hybrid working, the IT department identified critical gaps in endpoint access governance — provisioned devices were connecting to corporate systems without cryptographic device binding, departed employees retained functional access credentials for extended periods post-offboarding, and there was no centralised visibility into endpoint compliance across geographic regions.

Security Challenge

The organisation required consistent access governance across 1,800 devices operating across nine national jurisdictions, each with different network environments and connectivity characteristics. The existing VPN-plus-password model provided no cryptographic binding between user identity and the specific device accessing corporate resources. Active Directory offboarding processes averaged 72 hours — leaving terminated accounts functionally active during the transition window.

Implementation Approach

Orvexium deployed the Lokindi enterprise device control architecture. Each device in the fleet received a cryptographically unique license key bound to both the device hardware identity and the assigned user identity. All corporate resource access requests validated the license key against Orvexium's central validation API before session establishment. Subscription state enforcement was propagated in real time — revoking a key instantly terminated access across all concurrent sessions regardless of geography or network environment.

Technical Stack

  • Lokindi enterprise fleet management — centralised license issuance and revocation
  • Per-device cryptographic license keys with device binding and user identity association
  • Real-time central validation API with geographic redundancy
  • RBAC at three layers: platform admin, supervisor (IT managers), and user (employees)
  • Remote administrative dashboard with full fleet visibility and compliance audit exports
  • Policy deviation alerting and automated quarantine response

Measurable Outcomes

  • Access revocation latency reduced from 72-hour average to under 60 seconds
  • 100% of fleet devices operating under cryptographic access governance within 8 weeks of deployment
  • Policy deviation alerts identified three previously undetected unauthorised access attempts during initial monitoring period
  • Compliance audit report generation reduced from 3-day manual process to automated on-demand export
  • ISO 27001 access control requirements documented and evidenced for certification audit
Access Revocation
< 60 Seconds
Plain-Text Exposure
Zero
Platform Availability
99.9% SLA
Audit Coverage
100%
Compliance Frameworks
GDPR / ISO 27001
Your Security Context

Every Security Challenge Has a Documented Approach

Contact our security engineering team to discuss your specific operational context. We will identify which solution framework applies and outline an implementation approach suited to your infrastructure.