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Off-device Capture

Consumer Messaging Compliance Archiving

WhatsApp, iMessage, and Signal aren't staying still. Every new release adds features that create compliance gaps — disappearing messages, view-once media, message editing. Most compliance teams find out after an exam. Comma captures off-device. App updates don't change what we see.

Built to the standards regulators ask about

  • SEC 17a-4WORM archive
  • SEC 17a-3Supervision
  • FINRA 3110Review & retention
  • FINRA Reg S-PBooks & records
  • MiFID IIEU comms recording
  • GDPRData protection
  • FCA SYSC 10AUK taping
  • CIRO 3800Canadian records
  • SFCHong Kong
  • MAS SF(LCB)RSG 5-year order records
  • ASICAustralian financial
  • CASLConsent archiving

What is consumer messaging compliance archiving?

Consumer messaging compliance archiving is the practice of capturing, retaining, and supervising business communications sent over consumer messaging apps — WhatsApp, iMessage, Signal, and similar platforms — in a format that satisfies SEC Rule 17a-4, FINRA Rule 4511, and other applicable record-keeping regulations.

“Consumer” is key here. These platforms were built for billions of people to message their families and friends. They weren’t designed with compliance in mind. That’s precisely why regulated firms face a harder archiving challenge on these channels than on email or enterprise messaging tools.

Why employees use consumer messaging apps

Financial services firms have tried approved communication platforms for decades. Symphony for secure trading conversations. Bloomberg Chat for counterparty messaging. Microsoft Teams for internal coordination. Enterprise-grade, compliance-ready, IT-approved tools.

And yet WhatsApp and iMessage dominate wherever a client is involved.

This isn’t a policy failure. It’s a UX failure. Consumer apps are faster, work seamlessly across every device, and employees already have them installed. Asking a client to “use our approved platform” for a quick question creates friction — so the reply goes wherever the client already messaged from, which is usually WhatsApp.

This isn’t an employee behavior problem. It’s approved tools losing a product competition to apps built for billions of users and refined over a decade. Employees aren’t choosing WhatsApp over Symphony because they’re trying to evade compliance. They’re choosing it because it works better — and the client is already there. BYOD makes this harder: when employees work from personal devices, MDM-based solutions either can’t reach the device or employees resist enrollment entirely.

Firms learned the hard way that banning consumer messaging doesn’t close the gap. The SEC and FINRA have imposed over $2 billion in fines since 2021 — against firms with explicit policies prohibiting WhatsApp, Signal, and iMessage, where employees used them anyway. The records weren’t captured. The archive was empty. The fines reflected it.

The practical conclusion: archiving consumer messaging is the only posture that works. Prohibition creates a policy that looks compliant on paper but leaves firms exposed.

$2 billion in off-channel fines since 2021.

22 firms named in a single 2024 action. Median fine: $125M. All for messaging outside approved channels — on apps the firm had explicitly banned.

Why consumer messaging compliance keeps getting harder

The feature velocity problem is the part most compliance programs aren’t built to handle.

Consumer messaging apps are software companies. They ship product updates constantly. Most updates add functionality that users love. And a meaningful number of those updates create new compliance gaps — gaps that existing capture solutions aren’t designed to handle, and that compliance teams don’t discover until an exam surfaces a missing record.

WhatsApp:

  • Disappearing messages — Available since 2020, now configurable account-wide or per-chat. Messages set to disappear after 24 hours, 7 days, or 90 days vanish permanently unless captured before deletion.
  • View Once media — Photos and videos that can only be viewed a single time before disappearing. Screenshot blocking enforced on supported devices. A backup-based archive that retrieves media after viewing will find nothing.
  • Message editing — Users can edit sent messages within 15 minutes. Capture systems that log a message when sent but not when edited hold a record that no longer matches what the recipient saw.

iMessage:

  • Delete for Everyone — Introduced in iOS 16. Senders can retract messages up to 2 minutes after sending. Any archive that relies on periodic syncs or iCloud backups will miss a deletion that happens before the next sync window.
  • Message editing — Also from iOS 16. Messages can be edited up to 5 times within 15 minutes. Full edit history is visible in the native app but typically not captured by backup-based solutions.

Signal:

  • Disappearing messages — Signal’s disappearing messages are opt-in and configurable per conversation. When enabled, the timer starts after the recipient reads the message — and when it elapses, the message is deleted from disk on both devices. A backup-based archive that runs after deletion finds nothing. Employees can enable this voluntarily, creating archive gaps that compliance programs may not account for.
  • Note to Self — Signal’s built-in cross-device notepad supports disappearing messages, but only when manually enabled. Without it, Note to Self persists indefinitely — giving employees an unarchived personal clipboard where business-related content can accumulate outside any compliance archive.

The pattern is consistent: each new feature is a product decision by a consumer app company. Compliance implications aren’t part of the consideration. And most compliance solutions — designed before these features existed — don’t adapt to them automatically.

The off-device difference

Comma captures messages at the message delivery layer — not from the device, not from a backup, and not through software running on the employee’s phone.

Most competing approaches rely on one of two methods:

  • MDM-based capture reads messages from the app after they arrive on the device. This means capture depends on device performance, battery state, app version, and how each app stores messages internally. When an app update changes message storage behavior — or adds a feature that modifies or deletes messages before the software reads them — capture silently breaks.
  • Backup-based capture retrieves messages from iCloud or device backups after the fact. If a message disappears before the next backup runs, it’s gone. Backups can be delayed, disabled, or selectively excluded by user settings.

Off-device capture works differently. Comma receives messages the same way any authorized linked device does — at the moment of delivery, before any app-level feature can touch them. A disappearing message timer on the sender’s device doesn’t affect what’s already been delivered and written to immutable storage.

App updates that add new disappearing message options, change deletion windows, or modify media handling don’t create capture interruptions because the capture happens before any of those features activate.

The capture code for WhatsApp and Signal is published on GitHub under Apache 2.0. Any engineer, CISO, or investigator can inspect every line before your firm goes live.

Personal conversations stay private

The most common hesitation about consumer messaging compliance: employees use these same apps for personal conversations. WhatsApp is how someone messages their family. iMessage is how they coordinate plans outside of work.

Comma archives only messages with contacts already in your firm’s business directory. Personal conversations are excluded by design — not by asking employees to self-report, and not by policy statements that depend on employee behavior.

Privacy-first

Business contacts only. Personal conversations never stored.

Comma archives messages with contacts in your firm's directory. Personal conversations — with family, friends, or anyone outside the firm — are excluded by design, not by policy.

A simple toggle controls scope. Compliance officers see what the regulation requires. Employees keep their privacy. No self-reporting. No behavioral enforcement. That matters especially on personal devices — BYOD doesn't mean surrendering personal privacy.

Team Contacts Page

What consumer messaging compliance archiving covers

Channels covered

Comma captures business communications across the consumer messaging platforms your team actually uses:

  • WhatsApp — personal and Business accounts, 1:1 and group chats, attachments
  • iMessage — captured at delivery, independent of iCloud and device backup settings
  • Signal — open-source capture, no modified app, no intermediate decryption
  • SMS and RCS — standard text messaging across carriers
  • WeChat, Telegram, and 40+ additional channels from a single dashboard

All captured content — messages, attachments, timestamps, thread structure, edit history — is written immediately to WORM-compliant immutable storage. Records are searchable from a single dashboard and exportable in formats regulators accept.

How Comma stacks up

How Comma stacks up feature-by-feature comparison
CapabilityCommaTypical competitor
Capture methodOff-device (message delivery layer)MDM or device backup
Disappearing message coverage
iMessage captured at delivery, not from iCloud
Signal: no modified app, no intermediate decryption
Open-source capture code on GitHub
Personal contacts excluded by designPolicy-dependent
Flat per-user pricing across all channelsPer-connector fees

Frequently asked questions

What is consumer messaging compliance archiving?
Consumer messaging compliance archiving is the process of capturing, retaining, and supervising business communications sent over consumer apps — WhatsApp, iMessage, Signal — in a format that meets SEC Rule 17a-4, FINRA Rule 4511, and other record-keeping regulations. The term 'consumer' distinguishes these platforms from enterprise tools like email or Bloomberg Chat that were built with compliance infrastructure in mind.
Does FINRA require archiving WhatsApp and iMessage?
Yes. FINRA Rule 4511 and SEC Rule 17a-4 require broker-dealers to capture and retain all business communications, regardless of channel. A conversation that happens on WhatsApp because a client initiated it is still a business communication record subject to 3-year accessibility requirements and 6-year total retention. FINRA has made off-channel communications a standing examination priority and has issued over $2 billion in fines to firms whose records showed employees used banned apps anyway.
Do disappearing messages need to be archived?
Yes. A message sent over WhatsApp or Signal with a disappearing message timer is still a business communication record if it relates to client activity or firm business. The timer doesn't change the regulatory obligation — it just makes capture harder. Capture solutions that don't archive messages before the timer expires leave a gap that regulators may discover by asking for records that no longer exist.
Can I archive WhatsApp without installing software on employee phones?
Yes. Comma captures WhatsApp messages off-device — no app installation on employee phones, no MDM enrollment, no device management policy required. Employees continue using WhatsApp exactly as they do today. Capture happens on the infrastructure side, not the device side.
What about SMS, MMS, and RCS on Android?
Encrypted messaging apps like WhatsApp, iMessage, and Signal expose a linked-device or API surface that Comma connects to directly, so nothing needs to touch the phone. Android SMS and MMS work at the carrier level, delivered straight to the SIM, so capture requires a lightweight Comma app on the user's device. Google RCS goes a step further: Google's platform requires archival to run on an MDM-enrolled device. Both are fully supported. Your IT team scopes the deployment before anything touches a device.
Will Comma capture my employees' personal messages?
Comma only archives messages that are marked as business contacts. Family & friends are excluded by design. A simple toggle controls scope. This isn't a policy employees need to self-enforce; it's a technical boundary built into how the platform works.

Built for channels that weren't built for compliance.

Book a 20-minute walkthrough. We'll show you off-device capture in practice — including how we handle disappearing messages and what exam-ready records look like.

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