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SOC 247
ITSP.10.17198
ISO 42001soon
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33 controls

CC6.7Restricts transmission and movement of informationSOC 2Logical and Physical Access Controls

Official Requirement

The entity restricts the transmission, movement, and removal of information to authorized internal and external users and processes and protects it during transmission, movement, or removal to meet the entity's objectives.

Source: AICPA Trust Services Criteria (2017), incorporating COSO principles

In Plain English

Data in motion must be protected. TLS on all production traffic, VPN for remote access to internal systems, encryption on backups before they leave the building or region, and controls on removable media. If data can leave the system unencrypted, that is a gap. This also covers the API surface, external integrations must use encrypted channels.

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The Trust Services Criteria referenced in this tool are published by the American Institute of Certified Public Accountants (AICPA) and incorporate principles from the Committee of Sponsoring Organizations of the Treadway Commission (COSO). Criteria descriptions are reproduced for reference purposes. All implementation guidance, evidence recommendations, and control language are original work by Truvo Cyber. ISO 27001 and ISO 42001 are standards published by the International Organization for Standardization (ISO). Framework and standard names are the property of their respective owners. This tool is not affiliated with, endorsed by, or certified by AICPA, COSO, or ISO.

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On-premises implementation and evidence

Encryption in transit for all production data flows

Implementation steps

  1. All web application traffic must use TLS, configure the web server (Nginx, Apache, IIS) to redirect HTTP to HTTPS and disable SSLv3, TLS 1.0, TLS 1.1
  2. VPN must use an encrypted protocol (WireGuard, OpenVPN, IPsec), never plain-text tunnels
  3. Offsite backup transfers must use SFTP, SCP, or an equivalent encrypted channel, not FTP
  4. API connections to third-party services must use HTTPS, document integrations in your system description

Tools / systems

Evidence artifacts

Evidence frequency: Annual SSL scan; TLS configuration reviewed after any certificate renewal or server change

Removable media and data exfiltration controls

Implementation steps

  1. Disable USB storage ports via Group Policy on Windows endpoints (GPO: Computer > Administrative Templates > System > Removable Storage Access)
  2. If USB storage is required for operational purposes, restrict it to specific approved devices via device ID allowlist
  3. Implement SIEM alerting for large-volume file transfers out of the network perimeter
  4. Include removable media policy in the AUP; document exceptions with written approval

Tools / systems

Evidence artifacts

Evidence frequency: Annual AUP acknowledgement; GPO configuration verified quarterly; exception log maintained per event