| SOC 2 Type I | Auditor attests your security controls exist, at a point in time | US B2B software buyers | Audit from ~$5k with in-house prep; $15k – $40k outsourced | when sales demand it |
| SOC 2 Type II | Same controls, observed operating over 3–12 months. The one enterprises actually want | US enterprise procurement | $10k – $30k audit with in-house prep; more outsourced | when sales demand it |
| ISO 27001 | Certified information security management system, audited against the international standard | European and global enterprise | $10k – $40k for the audits; the ISMS build is yours to do cheaply or expensively | when sales demand it |
| HIPAA | US law for protected health information (PHI). Not a certificate: obligations plus BAAs (business associate agreements) with every partner that touches the data | Healthcare customers and the law | Legal + engineering time | day one with PHI |
| PCI DSS | Card-industry security standard, leveled by transaction volume | Card networks and processors | Minimal if you scope cards out to your processor: typically an annual SAQ A self-assessment | day one with card data |
| GDPR / state privacy | Privacy law that attaches when you target or monitor people in the EU, wherever you sit; US state laws (CCPA and a growing list) add their own thresholds | Regulators, plus enterprise DPAs (data processing agreements) | Legal + engineering time | day one with EU / covered users |
| FedRAMP | US federal cloud authorization; agency sponsorship is the standard path | Federal agency buyers | $250k+ | years before gov revenue |
| CMMC | DoD contractor requirement, restructured from five levels to three (the transitional levels are gone). Level 1, for federal contract info, is an annual self-assessment; third-party assessment arrives at Level 2 for controlled unclassified information (a minority of Level 2 contracts still allow self-assessment) | DoD contracting officers and primes | Near zero at Level 1: a self-assessment posted to SPRS (the DoD's Supplier Performance Risk System). Assessment costs start at Level 2 | when the contract clause requires it |