Sierra Technologies
Security and trust center evidence
Summary
Sierra Technologies has 3 registry-verified rows in the CertReports index, last verified 17 Sep 2026. The strongest row is PCI DSS: Listed on the Visa Global Registry as PCI DSS validated through 2027-03-31. This page is independent of the vendor’s own trust centre: dates, sources and caveats come from CertReports captures.
Reviewer brief
As of 17 Sep 2026, Sierra Technologies (sierra.ai) is listed in the Visa Global Registry as PCI DSS validated, with the record showing validation through 31 Mar 2027 and an audit issued 26 Mar 2026 by Securisea, Inc. As of 17 Sep 2026, the vendor is listed in the CSA STAR registry with a Level 1 self-assessment (CAIQ) issued 3 Apr 2025, and no expiration date is provided for this listing. As of 17 Sep 2026, the vendor is listed in the EU-US Data Privacy Framework registry as holding active EU-US, Swiss-US, and UK Extension certifications, issued 22 Jun 2026 and expiring 22 Jun 2027. As of 17 Sep 2026, no public evidence found for a SOC 2 report or ISO 27001 certification for this vendor. As of 17 Sep 2026, no public evidence found regarding HIPAA compliance or a BAA offering for this vendor.
- PCI DSS: listed in Visa Global Registry as validated, issued 26 Mar 2026, expires 31 Mar 2027 (as of 17 Sep 2026)
- CSA STAR: listed in registry with Level 1 self-assessment (CAIQ), issued 3 Apr 2025, no expiration date given (as of 17 Sep 2026)
- EU-US Data Privacy Framework: listed in registry as active (EU-US, Swiss-US, UK Extension), issued 22 Jun 2026, expires 22 Jun 2027 (as of 17 Sep 2026)
Facts only, each dated; nothing here is inferred, scored or advised. Brief generated 17 Sep 2026; it is regenerated whenever a row changes.
Among ai assistants vendors
3verified rows
Category median 1, across 19 indexed ai assistants vendors. Sierra Technologies has more verified rows than 100 percent of them.
chatbotconversational-aicustomer-engagementvirtual-agent
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PCI DSSVerifiedListed on the Visa Global Registry as PCI DSS validated through 2027-03-31
as of 17 Sep 20261 source · Securisea, Inc.
CSA STARVerifiedSTAR Level 1 self-assessment (CAIQ)
as of 17 Sep 20261 source
EU-US Data Privacy FrameworkVerifiedActive: EU-US Certification, SW-US Certification, UK Extension Certification
as of 17 Sep 20261 source
Legal artefacts
No DPA, BAA or subprocessor list has been captured from a public page yet. Registry rows above do not depend on this.
Subprocessors
No subprocessor list captured yet.
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