Overview
Direct Answer
SOC 2 is an auditing standard developed by the American Institute of Certified Public Accountants (AICPA) that evaluates how service organisations manage data security and customer trust across five trust service criteria: security, availability, processing integrity, confidentiality, and privacy. It is not a compliance mandate but rather a voluntary framework through which organisations demonstrate control effectiveness to stakeholders.
How It Works
An independent auditor examines an organisation's systems, policies, and control procedures over a defined audit period (typically 6–12 months) against the five trust service criteria. The auditor tests controls through documentation review, interviews, and observation, ultimately issuing either a Type I report (control design assessment at a point in time) or Type II report (effectiveness of controls over a service period). Results are provided to management and, at the organisation's discretion, shared with customers under strict confidentiality agreements.
Why It Matters
Cloud service providers, SaaS vendors, and data processors increasingly face customer demands for formal security assurance without creating regulatory burden. SOC 2 attestation reduces procurement friction by establishing a recognised benchmark that satisfies due diligence requirements across multiple customer contracts simultaneously, reducing audit fatigue and costs for both parties.
Common Applications
Cloud infrastructure providers, managed security service providers, payment processors, and human resources software vendors routinely obtain SOC 2 Type II certification to differentiate competitively and accelerate enterprise sales cycles. Organisations handling sensitive customer data often require their third-party vendors to maintain current SOC 2 certification as a contractual prerequisite.
Key Considerations
SOC 2 reports are restricted and not publicly disclosed; organisations cannot claim compliance as a marketing statement without legal liability. The framework is principle-based rather than prescriptive, meaning audit scope, control definitions, and evidence standards are negotiable between management and the auditor, potentially creating inconsistent assurance across different reports.
More in Cybersecurity
Cybersecurity
Offensive SecurityThe practice of protecting systems, networks, and programs from digital attacks, unauthorised access, and data breaches.
End-to-End Encryption
Data ProtectionA communication system where only the communicating users can read the messages, with encryption at both endpoints.
Bug Bounty
Offensive SecurityA programme where organisations pay individuals for discovering and reporting software vulnerabilities.
Extended Detection and Response
Defensive SecurityA unified security platform that integrates data from endpoints, networks, cloud workloads, and email to provide holistic threat detection, investigation, and automated response.
Zero Trust Architecture
Network SecurityA security model that requires strict identity verification for every person and device accessing resources regardless of location.
Supply Chain Attack
Offensive SecurityA cyberattack targeting the less-secure elements of a supply chain to compromise a primary target.
Security Orchestration, Automation and Response
Defensive SecurityA technology stack that integrates security tools and automates incident response workflows, enabling faster triage, investigation, and remediation of security alerts.
Security Orchestration Automation and Response
Defensive SecurityTechnology that automates security operations by orchestrating tools and processes for incident response.