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Sierra
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Sierra is SOC 2 Type II compliant. Sierra also holds ISO 27001, ISO 42001, HIPAA, PCI DSS, GDPR, CCPA, CSA STAR, and FedRAMP.
About
Welcome to Sierra's Trust Center, where our commitment to data privacy and security is central to our operations. Sierra's conversational AI platform enables your company to build an AI agent that is personalized to your business and customers. This Trust Center offers detailed insights into our security practices, including the specific controls and policies implemented by our teams. You can explore our compliance standards, request access to comprehensive security documentation, and gain a clear understanding of how we safeguard your data. Additionally, we invite you to subscribe for updates
Compliance & infrastructure
Documents
1Subprocessors
10- AAmazon Web Services, Inc. · Data storage, cloud hosting, and model serving (e.g., large language models)
- AAnthropic, PBC · Model serving (e.g., large language models)
- GGoogle LLC · Model serving (e.g., large language models)
- MMicrosoft Corporation · Model serving (e.g., large language models)
- OOpenAI, L.L.C. · Model serving (e.g., large language models)
- DDeepgram, Inc. · Model serving (e.g., large language models)
- EEleven Labs Inc. · Model serving (e.g., large language models)
- TTwilio Inc. · Telephony
- CCloudflare, Inc. · Content Delivery Network and Edge web serving
- WWorkOS, Inc. · Authentication and identity management
Compliance leadership
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Penetration test
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Recent updates
New Subprocessor UpdateJun 2026
We are adding the following entities to our list of subprocessors: Baseten, Fireworks AI, Together AI, and Modal. These subprocessors will be used in support of AI services available through our Platform Services. We are also updating our list of subprocessors to include processing locations and refreshed service descriptions. For more information, please visit the Subprocessors List within our Trust Center.
Updated SOC 2 & HIPAA ArtifactsFeb 2026
Sierra's updated compliance artifacts are now available in the Trust Center. This includes the refreshed SOC 2 Type II and HIPAA attestation reports.
PCI DSS v4.0.1Nov 2025
We are excited to announce that Sierra has a PCI DSS AOC, Payment Card Industry Data Security Standard (PCI DSS) is a global standard designed to protect payment account data.
New Subprocessor NotificationJul 2025
We are adding the following entities to our list of Subprocessors: Google, Anthropic, and an additional processing purpose for AWS. These three subprocessors will be used in support of model serving (e.g., large language models) available through our Platform Services. For more information, please visit the Subprocessors List within our Trust Center.
ISO/IEC 42001:2023Jun 2025
We are pleased to announce that Sierra has officially achieved ISO/IEC 42001:2023 certification, the international standard for Artificial Intelligence Management Systems (AIMS).
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Frequently asked
Is Sierra SOC 2 compliant?
Is Sierra ISO 27001 certified?
Is Sierra ISO 42001 certified?
Is Sierra HIPAA compliant?
Is Sierra PCI DSS compliant?
Is Sierra GDPR compliant?
Is Sierra CCPA compliant?
Is Sierra CSA STAR certified?
Is Sierra FedRAMP compliant?
Is Sierra SOC 2 Type I or Type II?
Can I use Sierra's SOC 2 for a vendor risk assessment?
Is Sierra penetration tested?
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Does Sierra have a bug bounty or vulnerability disclosure program?
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