GDPR-Compliant Encrypted Communication Platform
Every WhatsApp message, Teams chat, and email your employees send contains personal data processed under GDPR. Most organisations cannot answer basic questions about this data: Where is it stored? Who can access it? How long is it retained? What is the legal basis? Sanket gives data controllers a communication platform where these questions have clear, auditable answers - and where the data processing relationship is under your control.
GDPR data processing agreement with EU/UK residency options
Controller-defined retention periods - not platform defaults
Zero advertising, profiling, or third-party analytics
Privacy-by-design: E2E encryption prevents processor access to content
The shift
Before Sanket vs. After Sanket
Before - current state risks
Clear data processing agreement (DPA) under your organisation's controller/processor relationship
Configurable EU and UK data residency - your communication data stays in your selected jurisdiction
Administrator-controlled retention periods: set, enforce, and document message retention aligned to your policy
No advertising model, no metadata profiling, no third-party analytics processing of user communication data
After - with Sanket
End-to-end encryption supports privacy-by-design - plaintext is technically inaccessible to the platform processor
Access controls and user provisioning support the principle of data minimisation for communication channels
Audit logs for administrator actions support accountability and demonstrate governance to regulators
Built for this
The architecture that makes GDPR-compliant secure messaging for regulated organisations work
Consumer messaging apps are fundamentally incompatible with GDPR controller obligations. WhatsApp processes communication under Meta's terms - your organisation is not the controller of that data. Personal data flows to foreign jurisdiction under commercial terms incompatible with a GDPR data processing agreement. Sanket is deployed under a formal DPA where your organisation retains the controller position.
Zero-Knowledge Server
GDPR compliance requires that personal data in communication platforms be protected against unauthorised access. Sanket's end-to-end encryption provides a technical guarantee of confidentiality that supports Article 25 (data protection by design) and Article 32 (appropriate technical security measures) compliance positions.
Signal Protocol E2E
Open-standard cryptography with Double Ratchet key derivation. Each message session generates unique ephemeral keys.
Admin Governance
Administrators control identity, groups, devices, retention, and access revocation - properties consumer apps cannot offer.
Sovereign Deployment
GDPR-aligned deployments use Sanket.Work with a formal data processing agreement, configured data residency (EU Frankfurt or UK), administrator-set retention periods, and documented processor sub-processor chain. Sanket.Enterprise supports on-premise deployment for organisations that require data to remain entirely within their own infrastructure.
The result
What organisations achieve
Replace GDPR-incompatible consumer messaging with a communication platform where the data processing relationship, residency, and retention are under your organisation's control
Demonstrate privacy-by-design and data minimisation compliance with a platform where communication content is technically inaccessible to the processor via end-to-end encryption
Reduce Article 83 enforcement exposure by eliminating uncontrolled personal data flows through consumer platforms that your organisation cannot govern
Evaluation guide
Questions every buyer should ask
Is there a formal GDPR data processing agreement establishing your organisation as controller?
Is data residency configurable to your required EU or UK jurisdiction?
Can administrators configure and enforce retention periods aligned to organisational data policy?
Is the platform free of advertising, metadata profiling, and commercial third-party analytics?
Does end-to-end encryption support a privacy-by-design compliance position under GDPR Article 25?
Does the platform support data subject rights processes including access, erasure, and portability?
FAQ
Frequently asked questions
Why are WhatsApp and consumer apps GDPR-problematic for business communication?
Under GDPR, your organisation is the data controller for employee and business communication. Consumer apps like WhatsApp process that data under their own terms as an independent controller - not as a processor under your instructions. This means you cannot comply with GDPR obligations (data subject rights, retention, residency, processing purposes) for communication data on consumer platforms.
Does Sanket provide a GDPR data processing agreement?
Yes. Sanket.Work is deployed with a formal data processing agreement that establishes your organisation as the controller and Tosh Defence Private Limited as the processor acting under your instructions. This DPA covers processing purposes, sub-processors, security measures, and data subject rights support.
Where is Sanket.Work communication data stored?
Sanket.Work can be configured with EU (Frankfurt) or UK data residency options. Data does not transit to third-country infrastructure without appropriate safeguards. Contact us for specific residency configuration requirements.
How does Sanket support data subject access requests for communication data?
Administrators have access to communication governance tools that can support DSAR processes. For communication data subject to end-to-end encryption, access rights apply to the administrative metadata layer. We recommend engaging your DPO and legal team on the specifics during evaluation.
Can Sanket enforce retention periods automatically?
Yes. Administrators configure retention periods at the channel and platform level. Messages beyond the configured retention period are automatically deleted, supporting your documented retention schedule and reducing the personal data footprint over time.
Ready to solve GDPR-compliant secure messaging for regulated organisations?
Talk to the Tosh Defence team. We start with your threat model and deployment constraints - not a product pitch.