# Security Resend is committed to the security and privacy of our customers' data. ## Pages - [GDPR](/security/gdpr.md) - [Responsible Disclosure](/security/responsible-disclosure.md) - [SOC 2](/security/soc-2.md) ## Data protection Robust security measures to protect sensitive information and adhere to stringent industry standards. ### Data at rest All datastores are encrypted at rest. Sensitive information is encrypted at the application level. ### Data in transit Resend uses TLS 1.3 or higher everywhere data is transmitted over potentially insecure networks. ### Data backup Resend backs-up all data using a point-in-time approach. Backups are persisted for 7 days. ## Security controls With industry best practices, third-party auditors, and a collection of operational controls, Resend is committed to the safety and confidentiality of your data. ### Infrastructure security - **Unique production database authentication enforced**: Resend requires authentication to production datastores to use authorized secure authentication mechanisms, such as unique SSH key. - **Encryption key access restricted**: Resend restricts privileged access to encryption keys to authorized users with a business need. - **Access control procedures established**: The company's access control policy documents the requirements for the following access control functions: adding new users; modifying users; and/or removing an existing user's access. - **Production database access restricted**: Resend restricts privileged access to databases to authorized users with a business need. - **Firewall access restricted**: Resend restricts privileged access to the firewall to authorized users with a business need. - **Production OS access restricted**: Resend restricts privileged access to the operating system to authorized users with a business need. - **Production network access restricted**: Resend restricts privileged access to the production network to authorized users with a business need. - **Access revoked upon termination**: Resend completes termination checklists to ensure that access is revoked for terminated employees within SLAs. - **Unique network system authentication enforced**: Resend requires authentication to the "production network" to use unique usernames and passwords or authorized Secure Socket Shell (SSH) keys. - **Remote access MFA enforced**: Resend's production systems can only be remotely accessed by authorized employees possessing a valid multi-factor authentication (MFA) method. - **Remote access encrypted enforced**: Resend's production systems can only be remotely accessed by authorized employees via an approved encrypted connection. - **Intrusion detection system utilized**: Resend uses an intrusion detection system to provide continuous monitoring of the company's network and early detection of potential security breaches. - **Log management utilized**: Resend utilizes a log management tool to identify events that may have a potential impact on the company's ability to achieve its security objectives. - **Network segmentation implemented**: Resend's network is segmented to prevent unauthorized access to customer data. - **Network firewalls reviewed**: Resend reviews its firewall rulesets at least annually. Required changes are tracked to completion. - **Network firewalls utilized**: Resend uses firewalls and configures them to prevent unauthorized access. - **Network and system hardening standards maintained**: Resend's network and system hardening standards are documented, based on industry best practices, and reviewed at least annually. - **Service infrastructure maintained**: Resend has infrastructure supporting the service patched as a part of routine maintenance and as a result of identified vulnerabilities to help ensure that servers supporting the service are hardened against security threats. ### Organizational security - **Asset disposal procedures utilized**: Resend has electronic media containing confidential information purged or destroyed in accordance with best practices, and certificates of destruction are issued for each device destroyed. - **Production inventory maintained**: Resend maintains a formal inventory of production system assets. - **Portable media encrypted**: Resend encrypts portable and removable media devices when used. - **Anti-malware technology utilized**: Resend deploys anti-malware technology to environments commonly susceptible to malicious attacks and configures this to be updated routinely, logged, and installed on all relevant systems. - **Employee background checks performed**: Resend performs background checks on new employees. - **Code of Conduct acknowledged by contractors**: Resend requires contractor agreements to include a code of conduct or reference to the company code of conduct. - **Code of Conduct acknowledged by employees and enforced**: Resend requires employees to acknowledge a code of conduct at the time of hire. Employees who violate the code of conduct are subject to disciplinary actions in accordance with a disciplinary policy. - **Confidentiality Agreement acknowledged by contractors**: Resend requires contractors to sign a confidentiality agreement at the time of engagement. - **Confidentiality Agreement acknowledged by employees**: Resend requires employees to sign a confidentiality agreement during onboarding. - **Performance evaluations conducted**: Resend managers are required to complete performance evaluations for direct reports at least annually. - **Password policy enforced**: Resend requires passwords for in-scope system components to be configured according to the company's policy. - **MDM system utilized**: Resend has a mobile device management (MDM) system in place to centrally manage mobile devices supporting the service. - **Visitor procedures enforced**: Resend requires visitors to sign-in, wear a visitor badge, and be escorted by an authorized employee when accessing the data center or secure areas. - **Security awareness training implemented**: Resend requires employees to complete security awareness training within thirty days of hire and at least annually thereafter. ### Product security - **Data encryption utilized**: Resend's datastores housing sensitive customer data are encrypted at rest. - **Control self-assessments conducted**: Resend performs control self-assessments at least annually to gain assurance that controls are in place and operating effectively. Corrective actions are taken based on relevant findings. If the company has committed to an SLA for a finding, the corrective action is completed within that SLA. - **Penetration testing performed**: Resend's penetration testing is performed at least annually. A remediation plan is developed and changes are implemented to remediate vulnerabilities in accordance with SLAs. - **Data transmission encrypted**: Resend uses secure data transmission protocols to encrypt confidential and sensitive data when transmitted over public networks. - **Vulnerability and system monitoring procedures established**: Resend's formal policies outline the requirements for the following functions related to IT / Engineering: vulnerability management; system monitoring. ### Internal security procedures - **Continuity and disaster recovery plans established**: Resend has Business Continuity and Disaster Recovery Plans in place that outline communication plans in order to maintain information security continuity in the event of the unavailability of key personnel. - **Continuity and disaster recovery plans tested**: Resend has a documented business continuity/disaster recovery (BC/DR) plan and tests it at least annually. - **Cybersecurity insurance maintained**: Resend maintains cybersecurity insurance to mitigate the financial impact of business disruptions. - **Configuration management system established**: Resend has a configuration management procedure in place to ensure that system configurations are deployed consistently throughout the environment. - **Change management procedures enforced**: Resend requires changes to software and infrastructure components of the service to be authorized, formally documented, tested, reviewed, and approved prior to being implemented in the production environment. - **Production deployment access restricted**: Resend restricts access to migrate changes to production to authorized personnel. - **Development lifecycle established**: Resend has a formal systems development life cycle (SDLC) methodology in place that governs the development, acquisition, implementation, changes (including emergency changes), and maintenance of information systems and related technology requirements. - **Whistleblower policy established**: Resend has established a formalized whistleblower policy, and an anonymous communication channel is in place for users to report potential issues or fraud concerns. - **Board oversight briefings conducted**: Resend's board of directors or a relevant subcommittee is briefed by senior management at least annually on the state of the company's cybersecurity and privacy risk. The board provides feedback and direction to management as needed. - **Board charter documented**: Resend's board of directors has a documented charter that outlines its oversight responsibilities for internal control. - **Board expertise developed**: Resend's board members have sufficient expertise to oversee management's ability to design, implement and operate information security controls. The board engages third-party information security experts and consultants as needed. - **Board meetings conducted**: Resend's board of directors meets at least annually and maintains formal meeting minutes. The board includes directors that are independent of the company. - **Backup processes established**: Resend's data backup policy documents requirements for backup and recovery of customer data. - **System changes externally communicated**: Resend notifies customers of critical system changes that may affect their processing. - **Management roles and responsibilities defined**: Resend management has established defined roles and responsibilities to oversee the design and implementation of information security controls. - **Organization structure documented**: Resend maintains an organizational chart that describes the organizational structure and reporting lines. - **Roles and responsibilities specified**: Roles and responsibilities for the design, development, implementation, operation, maintenance, and monitoring of information security controls are formally assigned in job descriptions and/or the Roles and Responsibilities policy. - **Security policies established and reviewed**: Resend's information security policies and procedures are documented and reviewed at least annually. - **Support system available**: Resend has an external-facing support system in place that allows users to report system information on failures, incidents, concerns, and other complaints to appropriate personnel. - **System changes communicated**: Resend communicates system changes to authorized internal users. - **Access reviews conducted**: Resend conducts access reviews at least quarterly for the in-scope system components to help ensure that access is restricted appropriately. Required changes are tracked to completion. - **Access requests required**: Resend ensures that user access to in-scope system components is based on job role and function or requires a documented access request form and manager approval prior to access being provisioned. - **Incident response policies established**: Resend has security and privacy incident response policies and procedures that are documented and communicated to authorized users. - **Incident management procedures followed**: Resend's security and privacy incidents are logged, tracked, resolved, and communicated to affected or relevant parties by management according to the company's security incident response policy and procedures. - **Physical access processes established**: Resend has processes in place for granting, changing, and terminating physical access to company data centers based on an authorization from control owners. - **Data center access reviewed**: Resend reviews access to the data centers at least annually. - **Company commitments externally communicated**: Resend's security commitments are communicated to customers in Master Service Agreements (MSA) or Terms of Service (TOS). - **External support resources available**: Resend provides guidelines and technical support resources relating to system operations to customers. - **Risk assessment objectives specified**: Resend specifies its objectives to enable the identification and assessment of risk related to the objectives. - **Risks assessments performed**: Resend's risk assessments are performed at least annually. As part of this process, threats and changes (environmental, regulatory, and technological) to service commitments are identified and the risks are formally assessed. The risk assessment includes a consideration of the potential for fraud and how fraud may impact the achievement of objectives. - **Risk management program established**: Resend has a documented risk management program in place that includes guidance on the identification of potential threats, rating the significance of the risks associated with the identified threats, and mitigation strategies for those risks. - **Third-party agreements established**: Resend has written agreements in place with vendors and related third-parties. These agreements include confidentiality and privacy commitments applicable to that entity. - **Vendor management program established**: Resend has a vendor management program in place. Components of this program include: critical third-party vendor inventory; vendor's security and privacy requirements; and review of critical third-party vendors at least annually. - **Vulnerabilities scanned and remediated**: Host-based vulnerability scans are performed at least quarterly on all external-facing systems. Critical and high vulnerabilities are tracked to remediation. ### Data and privacy - **Data retention procedures established**: Resend has formal retention and disposal procedures in place to guide the secure retention and disposal of company and customer data. - **Customer data deleted upon leaving**: Resend purges or removes customer data containing confidential information from the application environment, in accordance with best practices, when customers leave the service. - **Data classification policy established**: Resend has a data classification policy in place to help ensure that confidential data is properly secured and restricted to authorized personnel. ## Frequently asked questions ### Is your data encrypted? Yes, Resend provides industry-standard encryption at rest (AES-256) and in transit (HTTPS/TLS). ### Is Resend SOC 2 compliant? Yes, Resend is SOC 2 Type II compliant. The audit was completed by Vanta & Advantage Partners. See the [SOC 2 overview](/security/soc-2.md) for details. ### Is Resend GDPR compliant? Yes, Resend complies with all articles of GDPR. See the [GDPR overview](/security/gdpr.md) for the signed DPA, data transfers, retention, and sub-processors. ### How do I get a signed DPA? The DPA is pre-signed by Resend and fully executed once you sign up. Download the signed copy from [Settings → Documents](/settings/documents). The unsigned reference version is at [resend.com/legal/dpa](/legal/dpa.md). ### Where is data stored, and does an EU sending region keep it in the EEA? No. Stored data is held in the United States. The region you select when adding a domain controls where email is sent from, not where it is stored. Transfers are covered by Standard Contractual Clauses and the EU-U.S. Data Privacy Framework. See the [GDPR overview](/security/gdpr.md) for details. ### How long is email data retained? Email and log data is retained for 30 days on Free, Pro, and Scale plans. After account termination, remaining customer data is deleted within 90 days. See the [GDPR overview](/security/gdpr.md) for the full retention details. ### How are EU and UK transfers handled? Transfers to the United States are made under the Standard Contractual Clauses in the DPA. The EU-U.S. Data Privacy Framework is an additional mechanism; the SCCs stand on their own. See the [GDPR overview](/security/gdpr.md). ### Is Resend HIPAA and ISO 27001 compliant? Resend is not HIPAA compliant and cannot sign a Business Associate Agreement. Resend holds SOC 2 Type II, not an ISO 27001 certificate. ### Where can I find the list of data subprocessors? A list of subprocessors can be viewed at [resend.com/legal/subprocessors](/legal/subprocessors.md). We give at least 14 days' notice before adding or replacing a sub-processor. See the [GDPR overview](/security/gdpr.md) for notice and objection details. ## Related - [Documents](/settings/documents) (signed DPA, SOC 2 report, pentest Letter of Attestation) - [DPA](/legal/dpa.md) - [Subprocessors](/legal/subprocessors.md)