Do I need SOC 2 or ISO 27001?
Both demonstrate strong information security, but they differ in form and audience. SOC 2 is a US attestation report (from a CPA firm) that customers read, common with North American buyers. ISO/IEC 27001 is an international certification of a management system (an ISMS), recognized globally. Choose based on where your customers are and what they ask for; many companies eventually do both, and the underlying controls overlap heavily.
SOC 2: a report, US-centric, buyer-facing
SOC 2 is an attestation against the AICPA Trust Services Criteria, delivered as a report you share under NDA. It is the most common request from North American enterprise buyers.
ISO 27001: a certification, international, system-focused
ISO/IEC 27001:2022 certifies that you run an information security management system (ISMS), covering clauses 4 to 10 and the 93 Annex A controls across four themes. It is a globally recognized certificate issued by an accredited body.
The controls overlap, so do the work once
The two frameworks share most underlying controls (access management, change management, risk assessment, incident response). With a crosswalk, evidence collected for one substantially covers the other, so doing both is far less than twice the work.
FAQ
Can I get both SOC 2 and ISO 27001?
Yes, and many companies do. Because the control sets overlap heavily, a single control-and-evidence program can support both with far less duplicate effort than running them separately.
Which is faster to achieve?
It depends on scope and readiness. A SOC 2 Type I can be quick, while ISO 27001 certification includes a two-stage external audit of your ISMS. Neither is trivial; both reward having controls and evidence already in place.
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