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Product Solutions Resources Pricing Log in Download Contact salesTry for free Log in Download Contact salesTry for free Overview Security Privacy Compliance Overview Overview Security Privacy Compliance Security Protecting customer data security is a top priority and the foundation of our relationship with our customers. Try for free Contact us Trustworthy fundamental security architect Lark is powered by AWS cloud services, utilizing their advanced technology and security measures. Our security system follows the principle of defense in depth, covering infrastructure, network, data, application security, and more. This enables us to consistently prioritize security as a fundamental aspect of Lark's business. Physical security Built on AWS cloud services, relying on AWS top security to ensure infrastructure safety. Basic security Use the leading cloud security architecture with baseline detection, vulnerability scanning, intrusion detection, container security, service isolation, and zero-trust access mechanisms to secure Lark's business operations at all times. Network security Customized design of network equipment clusters, independent networking isolated from each other, multi-active deployment of device-level disaster recovery; equipped with a robust gateway and access control mechanism, and strict encryption of all communication transmission processes to resist external malicious intrusion and hijacking behavior. Data security Lark has a complete life cycle management of data and has a clear process and technical guarantees for the creation, storage, transmission, use, and destruction of data. Lark also provides Key Management Service (KMS) and Bring Your Own Key (BYOK) solutions to enhance data security protection. Application security The security team has developed a security software development kit (SDK), identity and permission control system, and other security capabilities, combined with solid cloud security technology, to ensure the operation of Lark client-side and server. Efficient, reliable security development and operation system We prioritize security at every stage of the development lifecycle management to ensure stable, secure services for our users. Our DevOps organization is supported by a professional security operation team and standard security operation mechanisms to promptly address any security incidents and respond to it as soon as we are aware of it. Secure Development Lifecycle Management Following an SDLC (Software Security Development Lifecycle) management process that prioritizes security at every stage of development, we continuously assess risks to better protect user data privacy based on security compliance. Our active detection capabilities and red-blue team in the attack and defense labs help us efficiently address security issues in the R&D lifecycle. Vulnerability operation We strictly enforce a vulnerability management process to ensure the security of our cloud services through measures such as penetration work, quality assurance, and external audit. Our professional teams track and follow up on vulnerabilities until they are resolved, ensuring the confidentiality, integrity, and availability of our cloud platform resources. We also have a complete threat intelligence system to detect external threats and mitigate potential risks and threats as early as possible, while maintaining a high level of default built-in security. Emergency response To ensure the regular and continuous operation of our users, Lark has established an emergency response team and developed a standard emergency response process for all security events. We use alarms, feedback, and other resources to identify potential security events and respond to them as soon as possible. Strong security product capabilities Lark provides comprehensive security management features to help enterprise administrators establish security protocols and build trust within their organizations. These features include account security, member permissions, data protection, terminal security, and more. Account security Lark supports Single-sign on (SSO) through standard protocols and the enterprise's existing identity platform, adhering to the enterprise's account security specifications and policies. Lark also offers the option of using its own authentication to enhance account security through two-step verification and other features. Member Permissions Lark offers flexible permission control measures to help administrators grant only the necessary permissions to organization members. Through visibility configuration and communication and collaboration permissions, administrators can create information barriers within the organization to prevent inefficient information disturbance for sensitive personnel and safeguard sensitive information within the organization. Data Protection Lark offers multi-dimensional protection capabilities for organizational data, including data leakage prevention capabilities for core data flow scenarios, screen watermarking to deter screenshot leakage, and the ability to provide secure labels for cloud document scenarios. These features help enterprises better control information security risks. Terminal Security Given the rise in mobile office and Bring Your Own Device (BYOD) requests, Lark offers lightweight terminal management capabilities, such as mobile file encryption and paste protection, to ensure that assets within Lark do not flow to user terminals. Get Lark today Contact usDownload Lark Users love us App store 4.9 Product Base Popular Messenger Docs Meetings AI Meeting Notes New Email Popular Minutes Rooms Webinar Slides Calendar Approval Wiki Meegle Forms OKR Open Platform Pricing Plans Savings Calculator New Compare Why Lark Popular vs. Google Workspace vs. Microsoft Teams vs. Slack Popular vs. Monday vs. ClickUp vs. Asana vs. WhatsApp vs. Airtable vs. Trello vs. Wrike vs. DingTalk vs. Zoom See more Join Us Lark Ambassador New Lark AI Innovator New Become a Partner Popular Partner Directory Careers Alternatives Google Workspace alternatives Microsoft Teams alternatives Slack alternatives Popular Zoho alternatives Monday alternatives ClickUp alternatives See more Solutions CRM New Project Management New Human Resources Sales Marketing Students & Educators IT Managers Build with Us Developers/Applications Integrations/APIs Templates E-Commerce Retail Property Management Manufacturing Human Resources Media & Entertainment See more Use Cases Global Collaboration Frontline Tech Retail Food & Beverages Manufacturing Professional Services Web3 Resources Blog New Customer Stories Help Center Lark Academy Lark Library New Security Security & Compliance Privacy Policy Customer Terms of Services User Terms of Services Lark Code of Conduct Cookie Policy Cookie Settings Law Enforcement Request Product Base Popular Messenger Docs Meetings AI Meeting Notes New Email Popular Minutes Rooms Webinar Slides Calendar Approval Wiki Meegle Forms OKR Open Platform Pricing Plans Savings Calculator New Alternatives Google Workspace alternatives Microsoft Teams alternatives Slack alternatives Popular Zoho alternatives Monday alternatives ClickUp alternatives See more Solutions CRM New Project Management New Human Resources Sales Marketing Students & Educators IT Managers Build with Us Developers/Applications Integrations/APIs Security Security & Compliance Privacy Policy Customer Terms of Services User Terms of Services Lark Code of Conduct Cookie Policy Cookie Settings Law Enforcement Request Compare Why Lark Popular vs. Google Workspace vs. Microsoft Teams vs. Slack Popular vs. Monday vs. ClickUp vs. Asana vs. WhatsApp vs. Airtable vs. Trello vs. Wrike vs. DingTalk vs. Zoom See more Templates E-Commerce Retail Property Management Manufacturing Human Resources Media & Entertainment See more Use Cases Global Collaboration Frontline Tech Retail Food & Beverages Manufacturing Professional Services Web3 Resources Blog New Customer Stories Help Center Lark Academy Lark Library New Join Us Lark Ambassador New Lark AI Innovator New Become a Partner Popular Partner Directory Careers 2026 Lark Technologies Pte. Ltd. Headquartered in Singapore with offices worldwide. Explore: TikTok Shop Seller Video Editor Music Distribution English Product Base Popular Messenger Docs Meetings AI Meeting Notes New Email Popular Minutes Rooms Webinar Slides Calendar Approval Wiki Meegle Forms OKR Open Platform Pricing Plans Savings Calculator New Compare Why Lark Popular vs. Google Workspace vs. Microsoft Teams vs. Slack Popular vs. Monday vs. ClickUp vs. Asana vs. WhatsApp vs. Airtable vs. Trello vs. Wrike vs. DingTalk vs. Zoom See more Join Us Lark Ambassador New Lark AI Innovator New Become a Partner Popular Partner Directory Careers Alternatives Google Workspace alternatives Microsoft Teams alternatives Slack alternatives Popular Zoho alternatives Monday alternatives ClickUp alternatives See more Solutions CRM New Project Management New Human Resources Sales Marketing Students & Educators IT Managers Build with Us Developers/Applications Integrations/APIs Templates E-Commerce Retail Property Management Manufacturing Human Resources Media & Entertainment See more Use Cases Global Collaboration Frontline Tech Retail Food & Beverages Manufacturing Professional Services Web3 Resources Blog New Customer Stories Help Center Lark Academy Lark Library New Security Security & Compliance Privacy Policy Customer Terms of Services User Terms of Services Lark Code of Conduct Cookie Policy Cookie Settings Law Enforcement Request English Explore: TikTok Shop Seller Video Editor Music Distribution 2026 Lark Technologies Pte. Ltd. Headquartered in Singapore with offices worldwide. English 日本語 简体中文 English 日本語 简体中文 Base Popular Messenger Docs Meetings AI Meeting Notes New Email Popular Minutes Rooms Webinar Slides Calendar Approval Wiki Meegle Forms OKR Open Platform Plans Savings Calculator New Why Lark Popular vs. Google Workspace vs. Microsoft Teams vs. Slack Popular vs. Monday vs. ClickUp vs. Asana vs. WhatsApp vs. Airtable vs. Trello vs. Wrike vs. DingTalk vs. Zoom See more Lark Ambassador New Lark AI Innovator New Become a Partner Popular Partner Directory Careers Google Workspace alternatives Microsoft Teams alternatives Slack alternatives Popular Zoho alternatives Monday alternatives ClickUp alternatives See more CRM New Project Management New Human Resources Sales Marketing Students & Educators IT Managers Developers/Applications Integrations/APIs E-Commerce Retail Property Management Manufacturing Human Resources Media & Entertainment See more Global Collaboration Frontline Tech Retail Food & Beverages Manufacturing Professional Services Web3 Blog New Customer Stories Help Center Lark Academy Lark Library New Security & Compliance Privacy Policy Customer Terms of Services User Terms of Services Lark Code of Conduct Cookie Policy Cookie Settings Law Enforcement Request