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Stolen or lost device with privileged data

A laptop in a hotel, a phone in a cab, a banker's box in a car. The question is whether you can prove it was encrypted.

Laptop, phone, tablet, USB, or a banker's box left in a car. The encryption-posture decision tree, the privilege-and-confidentiality overlay, and whether client notification is triggered. The 'can you prove encryption' gap is what most small firms get wrong.

The first hour

What to do, in order.

  1. 01

    Remotely lock and wipe the device through MDM if available.

  2. 02

    Pull the encryption attestation: BitLocker / FileVault / mobile-device status as of the last sync. Save the report.

  3. 03

    Disable the user's session tokens (Microsoft 365 / Google Workspace / VPN / DMS).

  4. 04

    File a police report — required by some state breach-notification laws and by most cyber policies.

Key decisions

The questions you'll be asked.

Was it encrypted?
Encryption with key not compromised is a safe harbor under most state breach-notification laws — but you must be able to prove it. A screenshot of 'BitLocker: On' from yesterday is the difference between notifying nobody and notifying everyone.

Regulatory & ethical hooks

What the rules say.

  • ABA Model Rule 1.6(c)
  • State data-breach notification laws (encryption safe harbor)
  • HIPAA Security Rule (if the firm is a BA)

Cited for orientation, not as legal advice. Your firm's ethics counsel and LPL carrier should be consulted on every specific incident.

Related playbooks

  • Operations

    Insider — departing attorney or staff

  • Email & identity

    Business email compromise — impersonation

HackFirstAid for Law Firms

The first hour after an incident decides whether your firm keeps the client's money, the client's secrets, and the client's trust. We walk firms through it in plain language.

Advisory, training, and incident response — not legal advice. Reading this site creates no attorney-client relationship.

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