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Chainlink Labs Assurance Center
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Controls
Robust mechanisms restrict and manage user and system access to safeguard sensitive environments and data.
Comprehensive safeguards protect sensitive information throughout its lifecycle both in storage and during transmission.
Resilience measures keep services available through redundancy, tested backups, and regularly validated recovery procedures.
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Controls
Access control
Robust mechanisms restrict and manage user and system access to safeguard sensitive environments and data.
All workforce members access corporate systems through a centralized authentication platform that enforces multi-factor verification, reducing the risk of credential compromise.
Administrative rights to production resources, code repositories, and other critical systems are granted only to expressly authorized personnel following documented approval workflows.
Management reviews and adjusts user permissions every quarter to verify ongoing need-to-know alignment and remediate any excess or outdated privileges within defined timeframes.
Access for departing employees and contractors is revoked within five business days, preventing orphaned accounts and minimizing insider threat exposure.
Logical and tooling controls prevent direct migration between environments, ensuring untested code cannot reach production without appropriate review and approval.
Data security
Comprehensive safeguards protect sensitive information throughout its lifecycle both in storage and during transmission.
All sensitive data, including cryptographic material, is transmitted only over encrypted channels to prevent interception and tampering.
Key material used for blockchain transactions is stored in secure, encrypted vaults, limiting exposure even in the event of unauthorized access to storage systems.
An annually reviewed standard defines classification levels and associated handling requirements, guiding employees on appropriate protections for each data type.
Real-time DLP rules oversee email, cloud storage, and endpoints, alerting security staff to attempted exfiltration of confidential information.
Company-issued laptops and workstations employ disk-level encryption, ensuring that lost or stolen devices do not expose stored data.
Business continuity
Resilience measures keep services available through redundancy, tested backups, and regularly validated recovery procedures.
Critical data is backed up on a set schedule to secure cloud storage and continuously monitored for failures, enabling prompt remediation if issues arise.
Archived backups are restored and validated each month to confirm data integrity and readiness for rapid recovery.
Key components are configured across multiple availability zones, ensuring services maintain minimum required capacity during localized outages.
The organization reviews critical systems and redundancy requirements yearly, updating continuity and disaster recovery plans accordingly.
End-to-end tests of continuity and recovery plans are conducted to verify effectiveness and drive corrective improvements.
Incident response
Structured processes enable rapid detection, investigation, containment, and communication of security incidents.
A comprehensive plan defines roles, escalation paths, and recovery steps, and is reviewed and updated at least annually.
Detailed procedures for common attack and outage scenarios guide responders through consistent, efficient actions.
Cross-functional drills test response readiness, capture lessons learned, and feed continuous improvement of the program.
Every confirmed incident triggers a formal investigation, documented findings, and corrective action plans that are monitored to closure.
Clients are promptly informed of incidents affecting them, receiving timely guidance and transparency on impact and remediation steps.
Vulnerability and threat management
Proactive scanning, monitoring, and alerting processes minimize exposure to emerging threats and weaknesses.
Security teams perform automated scans of environments each week and remediate findings within defined service-level targets based on severity.
Comprehensive log data is streamed into a SIEM for continuous analysis, triggering immediate alerts to responders on suspicious activity.
Dedicated monitoring tools track critical network operations and unusual conditions, notifying security staff for rapid investigation.
Automated thresholds on system telemetry detect abnormal resource usage or behavior, supporting early identification of potential security or availability issues.
All managed workstations run updated EDR software that identifies malware and enforces security policies such as remote wipe and screen lock.
Change management
Formal lifecycle controls ensure that code, infrastructure, and smart contract changes are secure, reviewed, and documented before release.
A policy covering design, testing, approval, and release activities is available to relevant staff and reviewed annually for continued effectiveness.
All production changes require sign-off by someone other than the requester, enforcing segregation of duties and reducing change risk.
Planned updates undergo comprehensive tests to verify protection against vulnerabilities and confirm expected functionality before going live.
Specialized third-party experts assess every smart contract and subsequent updates for security issues before deployment to main networks.
Urgent fixes can be deployed rapidly under defined procedures that include retrospective approval and documentation within 24 hours.
Key management and cryptography
Rigorous practices protect cryptographic keys and enforce secure, auditable changes to blockchain smart contracts.
Private keys are created and stored offline on certified hardware wallets, providing strong resistance against extraction and tampering.
Critical smart contract modifications require a quorum of independent signers, removing single points of failure and enhancing governance.
A mandatory delay period allows stakeholders to review and, if necessary, veto proposed on-chain changes before they take effect.
Encrypted backups of private key material are created whenever new secrets are added, ensuring recoverability without sacrificing confidentiality.
Signer activity is tracked for anomalies, with immediate revocation procedures to disable compromised or unnecessary keys within defined timelines.
Vendor and third-party risk management
Structured due diligence and monitoring processes manage security expectations across the supply chain.
Documented procedures define how vendors are identified, assessed, and reviewed annually to align with organizational risk appetite.
High-impact partners undergo recurring evaluations, including review of independent attestations or supplemental inquiries when reports are unavailable.
Contracts with all service providers include mandatory security requirements to protect sensitive data and clarify responsibilities.
Feeds from external sources are automatically checked for anomalies such as staleness and deviation, ensuring ongoing data integrity and availability.
Before onboarding, prospective providers undergo rigorous evaluation to validate data accuracy, completeness, and reliability.
Security governance and compliance
Oversight structures and independent audits validate adherence to recognized frameworks and drive continuous improvement.
A risk-based audit program reviews control design and implementation, with findings tracked to resolution and reported to leadership.
Senior management meets at least annually to assess risks, compliance status, and strategic security priorities, reinforcing a top-down security culture.
A third-party audit has validated the design of controls against security, availability, and confidentiality criteria, providing external assurance to customers.
The information security management system is certified to the ISO 27001:2022 standard, evidencing a systematic approach to protecting information assets.
Comprehensive policies covering areas such as risk assessment, access management, data security, and training are published internally and reviewed yearly.
Employee security and awareness
Human resource controls ensure personnel are vetted, trained, and accountable for protecting customer data.
All new hires undergo background screening permitted by local regulations within 30 days of joining, mitigating insider threat risks.
Employees and contractors complete information security training at onboarding and annually thereafter, with non-compliance escalated to management.
Engineers receive dedicated training on secure development practices to reduce vulnerabilities in product code.
All personnel must formally accept the organization’s code of conduct within 30 days of hire and annually, reinforcing ethics and security responsibilities.
A defined procedure investigates allegations and applies disciplinary actions, maintaining trust and compliance with internal controls.
Configuration and asset management
Standardized hardening, inventory, and maintenance practices protect infrastructure and endpoints from misconfiguration and malware.
Security benchmarks for critical systems are defined, reviewed annually, and enforced to reduce attack surface.
Automated checks detect deviations from approved baselines, prompting immediate corrective actions.
An up-to-date register of workstations and infrastructure components assigns responsible owners, enabling effective lifecycle management.
Company endpoints are governed by policies enforcing screen locks, remote wipe, and application management to protect data on the move.
Security patches are tested, approved, and applied promptly, with follow-up to confirm successful deployment across all devices.
Network security
Layered defenses and monitoring restrict and oversee traffic to critical environments.
Only approved source addresses may reach production systems, significantly limiting external attack vectors.
Production systems interacting with blockchains reside in isolated networks, preventing lateral movement from other environments.
External connections to production require encrypted tunnels and multi-factor verification, safeguarding administrative sessions.
Network activities are captured and analyzed, with security teams alerted to critical events for rapid response.
Development and test networks are kept distinct from production, preventing unvetted traffic from impacting live services.
Capacity and performance management
Monitoring and planning processes ensure infrastructure scales to meet demand without service degradation.
Processing resources are tracked in real time, and alerts trigger when predefined thresholds are approached.
Infrastructure and product teams jointly project future capacity needs based on upcoming initiatives and historical usage.
Telemetry-based thresholds detect unusual resource utilization, enabling proactive scaling and issue resolution.
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