WhatsApp Group Security Research

Technical notes based on the papers by Ivan Schroll (2026) on WhatsApp group security and governance.

• Group Rules as Configuration: Turning a Pinned Policy into Enforced Access Control
• Outbound-Only by Design: Wiring WhatsApp Group Commands to a CRM or ERP Without Opening an Inbound Port
• Admin Accounts as Privileged Identities: Threat Modelling WhatsApp Group Takeover
• Groups as an Attack Surface: A Control Matrix for Scam Links in WhatsApp Communities
• Invite Links Are Bearer Tokens: Access Control and Phone-Number Exposure in Large WhatsApp Groups
• Your Customer Group Is a Database: LGPD and GDPR Engineering Notes for Business WhatsApp Groups
• Shadow IT With Customers Inside: Identity Lifecycle Management for Business WhatsApp Group Portfolios
• Scoping the WhatsApp Groups API: OBA Gating, Eight-Seat Rooms and the Missing Moderation Layer
• Piping RSS Into WhatsApp: Why Channels Stay Manual and Groups Become the Delivery Queue
• Treat Your WhatsApp Groups Like a Service: Indicators, Health Checks and Who Reads the Numbers
• Two WhatsApp MCP Servers, Two Trust Boundaries: What Meta's Beta Server Covers and What It Leaves Out
• Least Privilege for Group Agents: Scoping an AI Agent That Operates WhatsApp Communities
• Moderation Hours as a Measurable Load: Modeling Manual Group Control Against Automated Enforcement
• Making a corporate WhatsApp usage policy executable: controls, evidence and review
• Templates, delegated access and health checks: a control plane for a WhatsApp group portfolio
• Reconciling checkout state with WhatsApp cohort membership: entitlements, expiry and shards