How Comma Works
Technical and architectural resources explaining how Comma captures, stores, and protects your communications.
- WORM Storage & SEC Rule 17a-4 ComplianceHow Comma meets immutable storage requirements for regulated communications.
- Why We Open-Sourced Our Capture CodeHow Comma’s architecture differs from modified-app approaches, and why our WhatsApp and Signal connectors are on GitHub.
Regulatory Guides
Plain-language explainers on the rules that govern your firm’s communications.
- Off-Channel Messaging ComplianceWhat counts as off-channel communication, why regulators are enforcing it, and what firms need to do to stay compliant.
- SEC 17a-4 Regulation Retention periods, WORM storage, and what the rule actually requires in practice.
- FINRA Rule 4511: Books and Records
- FINRA Rule 3110: Supervision Requirements What firms need to know about supervisory obligations and 2026 updates.
Security & Data Protection
- Security and Data Protection Encryption, access controls, infrastructure, and data residency details.
Glossary
- Essential Compliance Terms Definitions of key compliance and security terms used across our platform and documentation.