Applicable to the services branded as Salesforce LiveMessage (formerly branded as Heywire) and Messaging, together the "Messaging Services". Some specific certifications and reports may not apply to all services in the above list. Please refer to the "Audits and Certifications" section of the "Salesforce Security, Privacy and Architecture" document for any limitations — https://trust.salesforce.com/en/trust-and-compliance-documentation/