Secure C-Level and Board Communication
Boardroom conversations are among the most valuable targets for corporate espionage, insider threats, and nation-state intelligence collection. M&A discussions, earnings strategy, crisis response, and senior personnel decisions flowing through personal WhatsApp or unencrypted email represent a material risk that Sanket eliminates - giving boards and C-suites a dedicated encrypted channel where sensitive leadership communication stays private.
Signal Protocol E2E encryption for board-level confidentiality
Zero metadata profiling - conversation patterns stay private
Isolated leadership channels with strict access control
Crisis-ready: independent of primary corporate systems
The shift
Before Sanket vs. After Sanket
Before - current state risks
Dedicated encrypted channel for board, C-suite, and senior advisors - separated from general corporate messaging
End-to-end encryption protects M&A conversations, earnings strategy, and board deliberations from interception
No consumer platform metadata: communication patterns, group membership, and message timing remain private
Secure document sharing for board packs, legal briefs, and sensitive financial attachments
After - with Sanket
Crisis coordination channel operable independent of primary corporate email and collaboration systems
Access controls restrict board channels to verified, administrator-provisioned identities only
Instant revocation for departing executives and advisors - no residual access risk
Built for this
The architecture that makes secure executive and board communication work
C-level communication carries risks beyond what standard corporate security controls address. Communication metadata - who talked to whom, when, and how often - is itself intelligence. An M&A conversation pattern can be as revealing as the message content. Sanket's zero-knowledge architecture protects both content and metadata from platform-level exposure.
Zero-Knowledge Server
The threat model for C-level communication includes corporate espionage, insider threats, regulatory interception, and nation-state intelligence collection. Consumer platforms and corporate SaaS tools are not designed to resist these threats. Sanket's end-to-end encryption, zero-knowledge server, and isolated channel architecture are.
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
C-suite and board deployments typically use Sanket.Work as a dedicated executive communication layer alongside, but isolated from, general corporate messaging. For the most sensitive deployments - national security-adjacent boards, defence contractors, or intelligence-adjacent organisations - Sanket.Enterprise provides air-gapped isolation.
The result
What organisations achieve
Protect board deliberations, M&A discussions, and crisis communications from corporate espionage, insider threats, and consumer platform metadata exposure
Provide an independent crisis coordination channel that functions when corporate email and collaboration platforms are under incident response or unavailable
Eliminate the personal device and consumer app risk that arises when executives use WhatsApp or iMessage for sensitive leadership communication
Evaluation guide
Questions every buyer should ask
Are executive channels isolated from general corporate messaging with strict access control?
Does end-to-end encryption protect content from platform-level interception or disclosure?
Is communication metadata (who talked to whom, when) protected from platform-level exposure?
Can access to executive channels be revoked instantly for departing or compromised principals?
Does the platform function independently of corporate email and SaaS during a cyber incident?
Is the platform free of advertising or analytics models that could expose executive communication patterns?
FAQ
Frequently asked questions
Why is WhatsApp or iMessage a problem for board and C-level communication?
Both platforms process communication under foreign jurisdiction (Meta/Apple), have no organisational access controls, and store metadata that reveals communication patterns between executives. For publicly traded companies, this creates potential market abuse risk. For defence-adjacent organisations, it creates intelligence collection risk.
How does Sanket protect against insider threat in executive communication?
Sanket.Work administrators control who is provisioned to executive channels. Only verified, organisationally credentialed identities can access board-level groups. Communication is end-to-end encrypted, so even platform administrators cannot read content. Access is revoked immediately when an insider threat is detected.
Can Sanket support secure document sharing for board packs?
Yes. Sanket supports encrypted file and document sharing within secure channels. Board packs, legal briefs, and sensitive financial documents can be shared end-to-end encrypted, remaining inaccessible to the platform operator and transit infrastructure.
How does Sanket function during a cyber incident as a crisis coordination channel?
Sanket operates independently of corporate email, Microsoft 365, and standard collaboration infrastructure. During a cyber incident where primary systems are compromised or unavailable, the C-suite can continue secure coordination on Sanket - a property explicitly required by DORA and other cyber resilience frameworks.
Is Sanket suitable for communication involving legal privilege?
Sanket's end-to-end encryption ensures that communication content is accessible only to intended participants. We recommend engaging your legal counsel on privilege implications, but the encryption architecture provides a strong technical basis for maintaining confidentiality.
Ready to solve secure executive and board communication?
Talk to the Tosh Defence team. We start with your threat model and deployment constraints - not a product pitch.