i1 Assessment
The i1 Assessment is one of the validated assessment options offered under the HITRUST CSF Assurance Program, providing a moderate, one-year level of assurance about an organization's security controls. It is generally positioned between the lighter e1 assessment and the more rigorous r2 assessment, offering a faster and less complex path than the r2 while still supporting third-party assurance. It is a private-sector certification framework product and, on its own, does not establish or guarantee compliance with HIPAA or any other legal requirement.
The HITRUST Implemented, 1-Year (i1) Assessment is a validated assessment within the HITRUST CSF Assurance Program that evaluates an assessed entity's scoped control environment against a curated set of controls (reported by HITRUST as 182 controls) selected as threat-adaptive and mapped to evolving cyber risks. Introduced by HITRUST (per HITRUST Advisory HAA 2021-012, dated December 2021), the i1 conveys moderate-level, one-year assurance and is designed to be faster, less costly, and less complex than the r2 assessment while providing more rigor than the e1. As a HITRUST product, i1 results speak only to the assessed, scoped control environment and to conformance with HITRUST CSF requirements; they do not by themselves demonstrate HIPAA compliance, and applicable HIPAA obligations, the HITECH Act, and state law may impose additional requirements. Specific control counts, assurance levels, and program details should be verified against the current HITRUST CSF version and HITRUST guidance.
Why it matters
The i1 Assessment gives organizations a middle option within the HITRUST CSF Assurance Program, sitting between the lighter e1 assessment and the more rigorous r2 assessment. For healthcare organizations and their vendors that need to demonstrate a moderate level of assurance to customers or partners, the i1 offers a faster, less costly, and less complex path than the r2 while still conveying validated, third-party assurance about a scoped control environment. This can be attractive when a business relationship calls for more than a self-attestation but does not demand the depth of the r2.
Because the i1 relies on a curated set of controls (reported by HITRUST as 182) selected to be threat-adaptive and mapped to evolving cyber risks, it is positioned as a way to keep pace with changing threat conditions rather than a fixed baseline. Organizations weighing assurance options often use the i1 as an intermediate step, either as a destination in itself or as a stepping stone toward the more comprehensive r2. The one-year term of assurance also shapes how organizations plan their assessment cadence and budget.
Critically, an i1 is a private-sector certification product and does not, on its own, establish or guarantee compliance with HIPAA or any other legal requirement. HIPAA obligations are enforced by HHS OCR, and the HITECH Act and applicable state laws may impose additional requirements beyond what any HITRUST assessment covers. i1 results speak only to the assessed, scoped control environment and to conformance with HITRUST CSF requirements, so organizations should not treat an i1 as a substitute for a HIPAA compliance program.
Who it's relevant to
Inside i1
Common questions
Answers to the questions practitioners most commonly ask about i1.