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Skip to navigationSkip to main content LangSmith Security Hub LangSmith is an all-in-one developer platform for every step of the LLM-powered application lifecycle, whether you're building with LangChain or not. To track LangSmith incidents and health, visit our status pageOpens in new tab. For customer support, visit our support centerOpens in new tab. For security and trust inquiries, contact our trust teamOpens in new tab. For security research and vulnerability reporting, visit our vulnerability disclosure programOpens in new tab. Privacy PolicyOpens in new tab AWS Marketplace listingOpens in new tab Welcome! At LangChain, security and transparency are foundational to everything we build. This Trust Center provides real-time insight into LangSmith’s compliance posture, infrastructure controls, subprocessors, and audit results. We keep this hub current so you always know how we protect your data. For any additional information, reach out at trust@langchain.dev. Resources View all Start Here: Security Overview Pre-Filled Customer Questionnaires 2026-Oct LangChain CAIQv4.0.3 [SaaS].xlsx Attestations 2026 SOC 2 Type II ISO 27001 Certificate 2026.pdf ISO 27001 Statement of Applicability (2026).pdf 2025 SOC 2 Type 2 LangChain Audit Report.pdf View 3 more Policies Acceptable Use Policy Access Control Policy Asset Management Policy (EN) Business Continuity and Disaster Recovery Plan (EN) View 12 more Other Security Docs BYOC LangSmith Security Overview.pdf Certificate of Insurance (COI) - 2026 LangSmith pre-filled TIA (EU to US) 2026.10 Compliance SOC 2 Type II ISO 27001:2022 ISO/IEC 42001:2023 GDPR HIPAA Subprocessors View all Google Cloud Platform • Cloud provider USA or Netherlands GCP is LangChain's Cloud hosting provider and provides LLM inference for AI-powered features for applicable features and plans. Amazon Web Services • Cloud provider USA AWS is LangChain's Cloud hosting provider and provides LLM inference for AI-powered features for applicable features and plans. Clickhouse • Production Database USA or Netherlands Production database Supabase • Database provider US or Germany Authentication and backend services for LangSmith Controls View all Infrastructure security Unique production database authentication enforced Unique account authentication enforced Access control procedures established View 9 more Infrastructure security controls Organizational security Asset disposal procedures utilized Portable media encrypted Anti-malware technology utilized View 9 more Organizational security controls Product security Data encryption utilized Control self-assessments conducted Penetration testing performed View 1 more Product security control Internal security procedures Continuity and Disaster Recovery plans established Continuity and disaster recovery plans tested annually Cybersecurity insurance maintained View 26 more Internal security procedures controls Data and privacy Data retention procedures established Customer data deleted upon leaving Data collected Customer personally identifiable information Employee personally identifiable information Credit card information Personal health information FAQ View all Updates View all Security No LangChain Impact from LiteLLM or PHP Compromises Published October 23, 2026 LangChain completed an assessment of potential impact to our products and services. We confirmed that the compromised LiteLLM release was not used in our environment and that the affected PHP component was not present in our products or services. Customer impact No LangChain products or services were impacted. No customer data was impacted. No customer action is required. Customers with questions may contact our Security team at security@langchain.dev. Best, LangChain Security General LangChain is now ISO/IEC 42001:2023 certified Published October 19, 2026 Dear LangChain Customer, We're glad to share that LangChain has achieved ISO/IEC 42001:2023 certification for our Artificial Intelligence Management System (AIMS). ISO/IEC 42001 is the international standard for AI management systems. Certification requires an independent, accredited auditor to verify that an organization has the governance, risk assessment, and oversight processes in place for the AI it builds and operates. Our certification was issued by Armanino Certified, LLC, an ANAB-accredited certification body, and covers the systems, teams, and information assets supporting the AI features in LangSmith for which LangChain manages the model. The certificate is available in our Trust Center. Questions? Contact us at trust@langchain.dev. Thank you for being a valued customer. Regards, LangChain Security Team Privacy 2026 September Subprocessor Update: Typesafe and Modal Published September 27, 2026 Dear LangChain Customer, We are writing to inform you of additions to LangChain's subprocessor list in connection with AI-powered features in LangSmith. New Subprocessors (effective October 27, 2026, or upon earlier customer enablement): Typesafe: to provide AI model inference services Modal Labs, Inc.: to provide AI model inference services Features using these subprocessors are opt-in. Our updated subprocessor list is available at our Trust CenterOpens in new tab. Questions? Contact privacy@langchain.dev. Thank you for being a valued customer. Regards, LangChain Privacy Team Privacy 2026 September Subprocessor Update: Parallel Published September 11, 2026 Dear LangChain Customer, We are writing to inform you of an addition to LangChain's subprocessor list in connection with a new built-in web search feature for agents built in LangSmith. New Subprocessor (effective October 11, 2026, or upon earlier customer enablement): Parallel: to provide web search services for the LangSmith built-in search tool The search tool is opt-in. When used, Parallel receives the requests issued by the agent, and nothing from your stored LangSmith data. Our updated subprocessor list is available at our [Trust Center (https://trust.langchain.com/subprocessorsOpens in new tab). Questions? Contact privacy@langchain.dev. Thank you for being a valued customer. Regards, LangChain Privacy Team Read more about 2026 September Subprocessor Update: Typesafe and Modal LangSmith Security Hub LangSmith is an all-in-one developer platform for every step of the LLM-powered application lifecycle, whether you're building with LangChain or not. To track LangSmith incidents and health, visit our status pageOpens in new tab. For customer support, visit our support centerOpens in new tab. For security and trust inquiries, contact our trust teamOpens in new tab. For security research and vulnerability reporting, visit our vulnerability disclosure programOpens in new tab. Privacy PolicyOpens in new tab AWS Marketplace listingOpens in new tab Welcome! At LangChain, security and transparency are foundational to everything we build. This Trust Center provides real-time insight into LangSmith’s compliance posture, infrastructure controls, subprocessors, and audit results. We keep this hub current so you always know how we protect your data. For any additional information, reach out at trust@langchain.dev. Resources View all Start Here: Security Overview Pre-Filled Customer Questionnaires 2026-Oct LangChain CAIQv4.0.3 [SaaS].xlsx Attestations 2026 SOC 2 Type II ISO 27001 Certificate 2026.pdf ISO 27001 Statement of Applicability (2026).pdf 2025 SOC 2 Type 2 LangChain Audit Report.pdf View 3 more Policies Acceptable Use Policy Access Control Policy Asset Management Policy (EN) Business Continuity and Disaster Recovery Plan (EN) View 12 more Other Security Docs BYOC LangSmith Security Overview.pdf Certificate of Insurance (COI) - 2026 LangSmith pre-filled TIA (EU to US) 2026.10 Compliance SOC 2 Type II ISO 27001:2022 ISO/IEC 42001:2023 GDPR HIPAA Subprocessors View all Google Cloud Platform • Cloud provider USA or Netherlands GCP is LangChain's Cloud hosting provider and provides LLM inference for AI-powered features for applicable features and plans. Amazon Web Services • Cloud provider USA AWS is LangChain's Cloud hosting provider and provides LLM inference for AI-powered features for applicable features and plans. Clickhouse • Production Database USA or Netherlands Production database Supabase • Database provider US or Germany Authentication and backend services for LangSmith Controls View all Infrastructure security Unique production database authentication enforced Unique account authentication enforced Access control procedures established View 9 more Infrastructure security controls Organizational security Asset disposal procedures utilized Portable media encrypted Anti-malware technology utilized View 9 more Organizational security controls Product security Data encryption utilized Control self-assessments conducted Penetration testing performed View 1 more Product security control Internal security procedures Continuity and Disaster Recovery plans established Continuity and disaster recovery plans tested annually Cybersecurity insurance maintained View 26 more Internal security procedures controls Data and privacy Data retention procedures established Customer data deleted upon leaving Data collected Customer personally identifiable information Employee personally identifiable information Credit card information Personal health information FAQ View all Updates View all Security No LangChain Impact from LiteLLM or PHP Compromises Published October 23, 2026 LangChain completed an assessment of potential impact to our products and services. We confirmed that the compromised LiteLLM release was not used in our environment and that the affected PHP component was not present in our products or services. Customer impact No LangChain products or services were impacted. No customer data was impacted. No customer action is required. Customers with questions may contact our Security team at security@langchain.dev. Best, LangChain Security General LangChain is now ISO/IEC 42001:2023 certified Published October 19, 2026 Dear LangChain Customer, We're glad to share that LangChain has achieved ISO/IEC 42001:2023 certification for our Artificial Intelligence Management System (AIMS). ISO/IEC 42001 is the international standard for AI management systems. Certification requires an independent, accredited auditor to verify that an organization has the governance, risk assessment, and oversight processes in place for the AI it builds and operates. Our certification was issued by Armanino Certified, LLC, an ANAB-accredited certification body, and covers the systems, teams, and information assets supporting the AI features in LangSmith for which LangChain manages the model. The certificate is available in our Trust Center. Questions? Contact us at trust@langchain.dev. Thank you for being a valued customer. Regards, LangChain Security Team Privacy 2026 September Subprocessor Update: Typesafe and Modal Published September 27, 2026 Dear LangChain Customer, We are writing to inform you of additions to LangChain's subprocessor list in connection with AI-powered features in LangSmith. New Subprocessors (effective October 27, 2026, or upon earlier customer enablement): Typesafe: to provide AI model inference services Modal Labs, Inc.: to provide AI model inference services Features using these subprocessors are opt-in. Our updated subprocessor list is available at our Trust CenterOpens in new tab. Questions? Contact privacy@langchain.dev. Thank you for being a valued customer. Regards, LangChain Privacy Team Privacy 2026 September Subprocessor Update: Parallel Published September 11, 2026 Dear LangChain Customer, We are writing to inform you of an addition to LangChain's subprocessor list in connection with a new built-in web search feature for agents built in LangSmith. New Subprocessor (effective October 11, 2026, or upon earlier customer enablement): Parallel: to provide web search services for the LangSmith built-in search tool The search tool is opt-in. When used, Parallel receives the requests issued by the agent, and nothing from your stored LangSmith data. Our updated subprocessor list is available at our [Trust Center (https://trust.langchain.com/subprocessorsOpens in new tab). Questions? Contact privacy@langchain.dev. Thank you for being a valued customer. Regards, LangChain Privacy Team Read more about 2026 September Subprocessor Update: Parallel LangSmith Security Hub LangSmith is an all-in-one developer platform for every step of the LLM-powered application lifecycle, whether you're building with LangChain or not. To track LangSmith incidents and health, visit our status pageOpens in new tab. For customer support, visit our support centerOpens in new tab. For security and trust inquiries, contact our trust teamOpens in new tab. For security research and vulnerability reporting, visit our vulnerability disclosure programOpens in new tab. Privacy PolicyOpens in new tab AWS Marketplace listingOpens in new tab Welcome! At LangChain, security and transparency are foundational to everything we build. This Trust Center provides real-time insight into LangSmith’s compliance posture, infrastructure controls, subprocessors, and audit results. We keep this hub current so you always know how we protect your data. For any additional information, reach out at trust@langchain.dev. Resources View all Start Here: Security Overview Pre-Filled Customer Questionnaires 2026-Oct LangChain CAIQv4.0.3 [SaaS].xlsx Attestations 2026 SOC 2 Type II ISO 27001 Certificate 2026.pdf ISO 27001 Statement of Applicability (2026).pdf 2025 SOC 2 Type 2 LangChain Audit Report.pdf View 3 more Policies Acceptable Use Policy Access Control Policy Asset Management Policy (EN) Business Continuity and Disaster Recovery Plan (EN) View 12 more Other Security Docs BYOC LangSmith Security Overview.pdf Certificate of Insurance (COI) - 2026 LangSmith pre-filled TIA (EU to US) 2026.10 Compliance SOC 2 Type II ISO 27001:2022 ISO/IEC 42001:2023 GDPR HIPAA Subprocessors View all Google Cloud Platform • Cloud provider USA or Netherlands GCP is LangChain's Cloud hosting provider and provides LLM inference for AI-powered features for applicable features and plans. Amazon Web Services • Cloud provider USA AWS is LangChain's Cloud hosting provider and provides LLM inference for AI-powered features for applicable features and plans. Clickhouse • Production Database USA or Netherlands Production database Supabase • Database provider US or Germany Authentication and backend services for LangSmith Controls View all Infrastructure security Unique production database authentication enforced Unique account authentication enforced Access control procedures established View 9 more Infrastructure security controls Organizational security Asset disposal procedures utilized Portable media encrypted Anti-malware technology utilized View 9 more Organizational security controls Product security Data encryption utilized Control self-assessments conducted Penetration testing performed View 1 more Product security control Internal security procedures Continuity and Disaster Recovery plans established Continuity and disaster recovery plans tested annually Cybersecurity insurance maintained View 26 more Internal security procedures controls Data and privacy Data retention procedures established Customer data deleted upon leaving Data collected Customer personally identifiable information Employee personally identifiable information Credit card information Personal health information FAQ View all Updates View all Security No LangChain Impact from LiteLLM or PHP Compromises Published October 23, 2026 LangChain completed an assessment of potential impact to our products and services. We confirmed that the compromised LiteLLM release was not used in our environment and that the affected PHP component was not present in our products or services. Customer impact No LangChain products or services were impacted. No customer data was impacted. No customer action is required. Customers with questions may contact our Security team at security@langchain.dev. Best, LangChain Security General LangChain is now ISO/IEC 42001:2023 certified Published October 19, 2026 Dear LangChain Customer, We're glad to share that LangChain has achieved ISO/IEC 42001:2023 certification for our Artificial Intelligence Management System (AIMS). ISO/IEC 42001 is the international standard for AI management systems. Certification requires an independent, accredited auditor to verify that an organization has the governance, risk assessment, and oversight processes in place for the AI it builds and operates. Our certification was issued by Armanino Certified, LLC, an ANAB-accredited certification body, and covers the systems, teams, and information assets supporting the AI features in LangSmith for which LangChain manages the model. The certificate is available in our Trust Center. Questions? Contact us at trust@langchain.dev. Thank you for being a valued customer. Regards, LangChain Security Team Privacy 2026 September Subprocessor Update: Typesafe and Modal Published September 27, 2026 Dear LangChain Customer, We are writing to inform you of additions to LangChain's subprocessor list in connection with AI-powered features in LangSmith. New Subprocessors (effective October 27, 2026, or upon earlier customer enablement): Typesafe: to provide AI model inference services Modal Labs, Inc.: to provide AI model inference services Features using these subprocessors are opt-in. Our updated subprocessor list is available at our Trust CenterOpens in new tab. Questions? Contact privacy@langchain.dev. Thank you for being a valued customer. Regards, LangChain Privacy Team Privacy 2026 September Subprocessor Update: Parallel Published September 11, 2026 Dear LangChain Customer, We are writing to inform you of an addition to LangChain's subprocessor list in connection with a new built-in web search feature for agents built in LangSmith. New Subprocessor (effective October 11, 2026, or upon earlier customer enablement): Parallel: to provide web search services for the LangSmith built-in search tool The search tool is opt-in. When used, Parallel receives the requests issued by the agent, and nothing from your stored LangSmith data. Our updated subprocessor list is available at our [Trust Center (https://trust.langchain.com/subprocessorsOpens in new tab). Questions? Contact privacy@langchain.dev. Thank you for being a valued customer. Regards, LangChain Privacy Team