Crosswalk Between HITRUST, SOC 2, ISO 27001 Explained
Post Summary
Healthcare organizations often juggle multiple compliance frameworks like HITRUST, SOC 2, and ISO 27001 to meet regulatory and client demands. These frameworks share overlapping controls, but each has unique requirements, making compliance complex and resource-intensive. A crosswalk approach simplifies this by mapping shared controls, reducing redundant work, and creating unified compliance programs.
Here’s what you need to know:
- HITRUST: Designed for healthcare, with controls ranging from 198 to 2,000+, depending on risk. Certification cycles vary by level (1–2 years).
- SOC 2: Focuses on service providers, with fewer than 100 controls built around five Trust Services Criteria. Popular in North America.
- ISO 27001: A global standard for managing information security, emphasizing continuous improvement with ~93 controls.
Key Takeaways:
- Overlap: Common controls include encryption, access management, and incident response.
- Differences: HITRUST is the most rigorous, SOC 2 is flexible, and ISO 27001 is internationally recognized.
- Efficiency: Mapping controls across frameworks saves time. For example, SOC 2 evidence can often satisfy HITRUST or ISO 27001 requirements with minor adjustments.
By aligning controls and centralizing evidence, organizations can streamline audits, reduce costs, and improve security outcomes. Utilizing automated vendor solutions further simplifies this process by managing security questionnaires and evidence in one place.
HITRUST i1 vs SOC 2 : What's the Difference between SOC 2 and HITRUST
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Understanding HITRUST, SOC 2, and ISO 27001
Before diving into how to map controls across these frameworks, it's key to grasp their individual purposes, governance, and intended audiences. While all three aim to bolster security and manage risk, they originate from different governing bodies and take unique approaches. Knowing these distinctions is crucial for effectively aligning overlapping controls.
What is HITRUST?
HITRUST (Health Information Trust Alliance) is a certification framework managed by the HITRUST Alliance, a private organization established in 2007 by healthcare industry leaders. Designed specifically for healthcare, HITRUST provides a unified way to handle data, manage risks, and ensure compliance. It integrates over 50 authoritative sources - like HIPAA, NIST, GDPR, and ISO - into one certifiable framework [1].
HITRUST offers three assessment levels tailored to an organization’s risk profile:
- e1 (Essential): Covers 44 basic controls.
- i1 (Implemented): Includes 182 controls targeting best practices and current cyber threats.
- r2 (Risk-based): Averages 375 controls, with rigorous testing of policies, procedures, and implementations [4].
Certified organizations often see strong security outcomes. For instance, HITRUST-certified entities report a 99.41% breach-free rate, with fewer than 1% experiencing any cyber events [2]. Additionally, a study estimated a 464% ROI for organizations adopting HITRUST [4]. Schneider Downs highlights its value:
HITRUST certification is an indication of a mature environment and that security is baked into the ethos of the organization [4].
Certification cycles differ by level: one year for e1 and i1, and two years for r2. Unlike ISO 27001, HITRUST requires controls to be in place for at least 90 days before testing [1]. Organizations also need a MyCSF software license, which costs between $15,000 and $30,000, plus a validated assessment credit ranging from $4,000 to $8,000 per submission [4].
Next, let’s look at SOC 2, a framework that’s especially popular with technology and service providers due to its flexible attestation process.
What is SOC 2?
SOC 2 (System and Organization Controls 2) is an auditing framework developed by the American Institute of CPAs (AICPA). Instead of a certification, SOC 2 provides an attestation: a CPA firm reviews an organization’s controls and issues a SOC 2 report [2].
SOC 2 is built around five Trust Services Criteria - security (the baseline), availability, confidentiality, processing integrity, and privacy [3]. Most organizations start with the security criterion, which involves fewer than 100 controls. Adding principles like privacy can increase complexity and cost. As TrustCloud explains:
SOC 2 is a flexible, principles-based attestation designed to show that your systems are secure, available, and private. But it doesn't tell you what controls to implement [5].
There are two types of SOC 2 reports:
- Type 1: Evaluates whether controls are properly designed at a specific point in time.
- Type 2: Assesses the operating effectiveness of controls over a period, typically six to twelve months [3].
Type 2 reports are often preferred since they demonstrate sustained control effectiveness. SOC 2 is widely used by technology and service providers in North America, including those in healthcare, like third-party administrators and SaaS vendors managing protected health information (PHI). Initial audits for startups usually cost between $25,000 and $50,000 [5].
While SOC 2 focuses on service providers, ISO 27001 takes a broader, internationally recognized approach centered on continuous improvement.
What is ISO 27001?
ISO 27001 is a global standard for Information Security Management Systems (ISMS), governed by the International Organization for Standardization (ISO). Unlike SOC 2, which focuses on service provider controls, or HITRUST, which is healthcare-specific, ISO 27001 emphasizes a risk-based ISMS and ongoing improvement [2].
Controls in ISO 27001 are grouped into organizational, technical, people, and physical categories [3]. Its alignment with frameworks like GDPR and NIST makes it a strong option for organizations with international stakeholders [3]. For healthcare entities planning to expand beyond the U.S., ISO 27001 holds considerable weight [1].
The certification process spans three years, with a full audit in Year 1 and surveillance audits in Years 2 and 3 at a reduced cost [3]. Unlike HITRUST or SOC 2 Type 2, ISO 27001 doesn’t require extended evidence of control operation before certification, as it can be performed as a point-in-time audit.
ISO 27001’s focus on continuous improvement means organizations must regularly reassess risks, update their ISMS, and show a commitment to ongoing security. This makes it a solid choice for building a sustainable, long-term security program. Organizations can further validate their progress by comparing their posture against healthcare cybersecurity benchmarks. Understanding these frameworks’ unique characteristics sets the stage for cross-referencing and integrating controls effectively.
Comparing Control Objectives and Scope
HITRUST vs SOC 2 vs ISO 27001 Framework Comparison Chart
Building on the individual framework details, let's delve into how their control structures differ and identify notable overlaps and gaps.
Control Structure Comparison
Each framework organizes security controls in its own way. ISO 27001 employs the Plan-Do-Check-Act (PDCA) cycle to ensure continuous improvement, emphasizing the effectiveness of an Information Security Management System (ISMS). Its controls are divided into four categories: organizational, people, physical, and technological [1].
SOC 2, on the other hand, structures its controls around the AICPA's five Trust Services Criteria: Security (mandatory), Availability, Confidentiality, Processing Integrity, and Privacy. With fewer than 100 controls, SOC 2 is considered the leanest framework. As Elevate Consulting explains:
SOC 2 has the least amount of controls, followed by ISO 27001, and finally HITRUST [1].
Meanwhile, HITRUST stands out as the most extensive framework. Kyle Morris, Senior Compliance Success Manager at Scytale, describes it as:
HITRUST is like a one-stop shop for compliance. It covers a lot of ground by integrating multiple regulatory requirements [6].
HITRUST's control count varies widely, ranging from 198 to over 2,000 controls, depending on the organization’s risk profile and the chosen assessment level (e1, i1, or r2). This prescriptive framework requires the use of MyCSF for control management , or leverage automation tools like Censinet Connect™ Copilot to handle complex questionnaires, adding a level of structure not present in the other frameworks [1].
Flexibility is another key difference. ISO 27001 and SOC 2 allow organizations to define their scope and select controls based on risk. HITRUST, however, prescribes specific requirements for control implementation and scoring, leaving less room for interpretation.
Overlap and Gaps
Although all three frameworks address fundamental security principles like access control, encryption, and incident response, their depth and scope vary significantly. Here's a closer look at how they compare:
| Feature | SOC 2 (Type 2) | ISO 27001 | HITRUST (r2) |
|---|---|---|---|
| Primary Focus | Trust Services Criteria | ISMS Effectiveness | Risk Management & Compliance |
| Control Count | Generally < 100 | ~93 (2022 version) | 198 to 2,000+ |
| Audit Cycle | 6–12 Months | 3 Years | 2 Years |
| Audit Type | Period-of-time | Point-in-time | Period-of-time |
| Industry Focus | US / Technology & Service Providers | Global / All Industries | Healthcare (Primary) / All Industries |
Evidence requirements also vary. HITRUST r2 and SOC 2 Type 2 require controls to be active for a set timeframe before validation (90 days for HITRUST, typically 6–12 months for SOC 2). ISO 27001, however, can be audited as a point-in-time assessment, which requires less historical evidence [1].
Geographic preference highlights another distinction. ISO 27001 is widely recognized outside the US, making it a global standard, while SOC 2 dominates among US-based service providers. HITRUST, originally healthcare-focused, is increasingly being adopted by industries needing integrated compliance solutions [1].
These differences underscore the importance of mapping controls across frameworks. By identifying overlaps, organizations can streamline their certification efforts and reduce redundant work.
Mapping and Leveraging Work Across Frameworks
Once you grasp the differences between these frameworks, the next step is mapping controls to streamline efforts and cut down on redundant work. Rather than handling each certification as a standalone project, healthcare organizations can build an integrated compliance system that addresses all three frameworks effectively.
Mapping HITRUST and SOC 2 Controls
There’s a lot of overlap between these frameworks. Many organizations begin with SOC 2 Type II to get to market faster, then expand that control setup into HITRUST as they grow within healthcare markets. A key step is identifying SOC 2 controls that also meet HITRUST requirements.
Take logical access controls and vendor risk assessments as examples. Both frameworks require these third-party risk assessment questions, but HITRUST often goes deeper. While a SOC 2 audit might accept a single access review log, HITRUST typically asks for more granular evidence, covering multiple user populations and systems to meet its higher maturity standards.
To simplify this process, the AICPA provides mapping spreadsheets that align SOC 2 Trust Services Criteria with other frameworks like ISO 27001. These tools help pinpoint where existing controls can be reused and where additional documentation may be necessary. However, since SOC 2 criteria are often less specific than ISO 27001 clauses or HITRUST requirements, mapped controls need to be detailed enough to satisfy stricter standards. This groundwork also helps when aligning with ISO 27001, as discussed next.
Bridging SOC 2 and ISO 27001
ISO 27001’s Information Security Management System (ISMS) can boost HITRUST’s maturity scoring by addressing policies, processes, and implementation more comprehensively. For example, the risk treatment plan required for ISO 27001 certification can double as the foundational data for HITRUST’s inherent risk factors, avoiding duplicate risk management efforts.
Here’s how some common controls align across SOC 2 and ISO 27001:
| Control Focus | SOC 2 Objective | ISO 27001 Objective |
|---|---|---|
| Incident Response | Identify, address, and recover from security incidents. | Manage incidents and limit their effects through strategy. |
| Access Control | Implement logical access controls to prevent unauthorized access. | Define access control policies for authorized system access. |
| Vendor Management | Evaluate and manage risks from external service providers. | Assess, monitor, and secure third-party supplier measures. |
| Data Backup | Regularly back up data and test recovery processes. | Implement and test backup and restoration procedures. |
While technical controls like encryption often align well, ISO 27001 introduces additional documentation requirements, such as the Statement of Applicability (SoA) and specific Annex A controls. These demand more detail than a typical SOC 2 report. Enhancing SOC 2 evidence with this added depth ensures it meets ISO standards.
Centralized Evidence Collection
Unified control mapping also simplifies evidence collection. Instead of preparing separate documentation for each audit, organizations can create a central evidence repository where artifacts are tagged for the frameworks they satisfy. This reduces the compliance workload significantly.
In February 2026, Censinet introduced the Assessor Agent for Supply Chain & Vendor Risk within its GRC AI platform. During testing, this tool saved an average of 3.5 hours per assessment by automating the capture of technical details and summarizing SOC 2 reports. CEO Ed Gaudet highlighted the broader issue:
Fewer than 8% of healthcare organizations have meaningfully integrated their governance, risk, and compliance processes. This fragmentation is costing the industry billions in preventable losses, delayed care, and regulatory exposure [8].
This example shows how automation can support a crosswalk strategy in healthcare cybersecurity. Platforms using AI-driven automation can maintain a continuous evidence chain and tag artifacts - like a firewall log - to satisfy multiple frameworks, such as ISO Annex A.12 and HITRUST Domain 01. This allows one piece of evidence to meet the needs of multiple auditors. Automating evidence collection and workflows can cut renewal efforts by 20–30% [5].
Strategic planning is key here. Many organizations schedule ISO surveillance audits and HITRUST interim reviews close together, maximizing the reuse of recently tested controls and reducing audit fatigue. This ensures that critical artifacts - like access reviews, change records, and incident reports - are structured to meet the requirements of several auditors simultaneously.
Certification Processes and Quality Assurance
Understanding the certification processes for different frameworks is crucial for effectively applying crosswalk strategies. Each framework has unique timelines, auditor requirements, and quality assurance steps. Knowing these details allows healthcare organizations to allocate resources wisely and set realistic goals for compliance, including managing third-party risk.
SOC 2 Reporting and Assurance
SOC 2 audits are handled by independent CPA firms. These firms evaluate whether an organization’s controls align with the applicable Trust Services Criteria, typically starting with Security and optionally including others like Availability, Confidentiality, Processing Integrity, or Privacy. The process kicks off with planning and readiness, where the organization identifies the criteria relevant to its services. Auditors then conduct walkthroughs - meetings to examine how controls are designed and operated [12].
The audit itself involves testing controls either over a specific period (Type 2) or at a single point in time (Type 1). The CPA firm then issues an attestation report that evaluates the design and effectiveness of controls. Most healthcare organizations opt for Type 2 reports, as they demonstrate sustained control effectiveness over a period, typically 6 to 12 months. Completing the SOC 2 process usually takes 2–4 months. In contrast, HITRUST certification involves a more detailed, multi-step approach.
HITRUST Certification Pathway
For first-time organizations, HITRUST certification can take up to 12 months [9]. It begins with scoping and pre-assessment, where the scope of systems, facilities, and data flows is defined. Organizations also select an assessment level: e1 (Essentials), i1 (Implemented), or r2 (Risk-based). The e1 and i1 certifications are valid for one year, while the r2 certification lasts two years but requires a mid-term review at the 12-month mark [10, 11].
A readiness assessment is optional but recommended to identify gaps before the formal audit. Afterward, an authorized external assessor conducts a validated assessment, which includes interviews, technical testing, and scoring controls using the PRISMA maturity model (Policy, Procedure, Implemented, Measured, Managed). What makes HITRUST unique is its centralized quality assurance process. Once the assessor completes their work, HITRUST reviews the findings before issuing the certification. This QA review usually takes 4 to 10 weeks, depending on the assessment type [10].
Kevin Patterson, Manager of Healthcare Compliance at IS Partners, highlights:
The most critical part of the certification process is scoping the implemented system. Proper scoping ensures that all relevant systems, processes, and data flows are included in the assessment [9].
Currently, over 1,000 organizations worldwide hold HITRUST certification [11]. ISO 27001, another leading framework, follows a different structured audit process.
ISO 27001 Certification Steps
ISO 27001 certification is carried out by accredited registrars or certification bodies and involves a two-stage audit:
- Stage 1 (Documentation Review): This phase evaluates the readiness of the organization by reviewing the Information Security Management System (ISMS) documentation, including Clauses 4–10 [12]. It ensures that policies, risk assessments, and the Statement of Applicability are well-documented.
- Stage 2 (Certification Audit): This is an in-depth on-site review of Annex A controls and the overall effectiveness of the ISMS [12].
If successful, the organization is awarded an ISO 27001 certificate valid for three years, with annual surveillance audits required to maintain compliance [12]. Certification typically takes 4–6 months to complete. Notably, updates to ISO 27001 introduced in 2022 added new controls that are now part of Stage 2 evaluations [12]. Organizations seeking certification must ensure their ISMS addresses these updates.
Comparing Frameworks
Here’s a quick comparison of key features across SOC 2, HITRUST, and ISO 27001:
| Feature | SOC 2 | ISO 27001 | HITRUST (r2) |
|---|---|---|---|
| Auditor Type | CPA Firm | Accredited Registrar/Certification Body | Authorized External Assessor + HITRUST QA |
| Typical Certification Duration | 2–4 months | 4–6 months | 6–9 months |
| Certification Validity | Annual (typically) | 3 Years (with annual surveillance) | 2 Years (with a 1-year interim) |
| Deliverable | Attestation Report | ISO Certificate | Certification Report |
| Maturity Scoring | Pass/Fail (Opinion-based) | Conformance/Non-conformity | 5 levels (Policy to Managed) |
Blaise Wabo from A-LIGN advises:
HITRUST certification should be treated as a continuous improvement and monitoring assessment and not a static once and done type of assessment [10].
This philosophy applies to all three frameworks - certification is not a one-time milestone but an ongoing process that requires consistent effort and monitoring.
How Healthcare Organizations Should Approach Certifications
Choosing the Right Framework
When deciding on a certification framework, healthcare organizations need to consider both their stakeholders' expectations and their operational geography. For providers in the U.S., SOC 2 often serves as the baseline. However, organizations managing protected health information (PHI) may find HITRUST more suitable. On the global stage, ISO 27001 stands out for its broad recognition and alignment with GDPR, making it a strong choice for international operations.
Each framework has its nuances. ISO 27001 operates on a three-year certification cycle and enjoys worldwide acceptance. HITRUST, on the other hand, adjusts its requirements based on an organization's risk profile. A HITRUST certification demands that controls are in place for at least 90 days (or 60 days for policies) before assessment, and it requires a subscription to the MyCSF software. Meanwhile, SOC 2 costs vary depending on the number of Trust Service Principles included in the assessment [1].
Reducing Compliance Burden Through Alignment
Once a framework is selected, aligning controls across standards can significantly ease compliance efforts. The HITRUST CSF is particularly useful, as it incorporates over 60 authoritative sources, allowing organizations to address multiple standards through a single assessment. For example, a healthcare provider pursuing a HITRUST r2 certification can also generate a NIST CSF 2.0 report without needing an additional assessment. Additionally, HITRUST’s "Insights Reports" provide audit-ready outputs for both ISO and HIPAA, streamlining the process even further.
Organizations can also enhance their existing SOC 2 reports by integrating controls to meet HIPAA and HITRUST requirements. As Moss Adams explains:
Synergizing and consolidating these controls in relationship with one another could help reduce redundancy and help organizations get the most from IT and cybersecurity investments [13].
A tiered certification approach is another effective strategy. Healthcare organizations can start with foundational assessments like HITRUST e1, which includes 44 controls, and progress to more advanced certifications such as i1 (182 controls) or r2 as their cybersecurity capabilities develop [13]. This method not only simplifies audits but also strengthens oversight of third-party risks, as discussed below.
Integrating Third-Party Risk Management
A robust compliance strategy also involves managing third-party risks, where automation and centralized workflows can reduce repetitive tasks. Tools like Censinet RiskOps™ are designed to streamline this process. By connecting over 1,000 healthcare organizations and 50,000 vendors, the platform automates third-party and enterprise risk management tasks. Its AI-powered "Assessor Agents" can summarize key documents like SOC 2 reports and penetration test results, making the evidence collection phase for certifications more efficient.
Automated workflows on platforms like Censinet also help generate findings for Corrective Action Plans, enabling faster resolution of compliance gaps. Moreover, AI Telemetry features can identify unannounced AI integrations by vendors, addressing potential risks from shadow IT. As Paul Russell, Chief Product Officer at Censinet, points out:
The shadow IT problem extends to a health system's inventory of vendors that quietly add AI capabilities to existing products and services [8].
Conclusion
Understanding the connections between HITRUST, SOC 2, and ISO 27001 is critical for healthcare organizations today. With healthcare data breaches averaging a staggering $9.8 million in 2024 - the highest across industries [15] - compliance is more than just meeting regulatory requirements. It’s about safeguarding patient data while keeping operational costs under control.
The future of compliance lies in continuous verification. Centralized evidence collection and aligning frameworks are key to achieving this. For instance, adopting a unified framework like HITRUST can cut compliance task time by 50% and reduce vendor assessment time by 40% [7]. As ISMS.online highlights:
A consolidated approach enables traceable evidence chains that validate each control against audit parameters [14].
Instead of scrambling to gather evidence during periodic audits, many organizations are creating unified control catalogs. These catalogs map controls simultaneously to SOC 2 Trust Services Criteria, ISO 27001 Annex A, and HITRUST CSF domains, ensuring a consistent audit trail. This strategy allows for real-time monitoring of controls and logging of evidence, streamlining the entire process [5].
For those just beginning their compliance efforts, the advice is clear: standardize early and automate quickly. Starting with a single control catalog avoids duplicative manual work when expanding to multiple frameworks later [5]. While the cost of achieving HITRUST r2 certification can range from $150,000 to over $1 million for larger enterprises [5], the long-term benefits - reduced audit times, streamlined vendor assessments, and enhanced breach prevention - make the investment worthwhile.
Unified compliance strategies not only simplify audits but also provide a competitive edge. As Insight Assurance puts it:
HITRUST condenses what could otherwise be a maze of overlapping audits into a single, certifiable assessment [7].
FAQs
Which framework should we start with: SOC 2, HITRUST, or ISO 27001?
Choosing between SOC 2, HITRUST, and ISO 27001 comes down to what fits your organization’s goals and industry requirements.
- SOC 2: If you're looking for a flexible framework that's relatively faster to implement, SOC 2 is a solid choice. It's particularly suited for general data security needs across various industries.
- HITRUST: For organizations in the healthcare sector, HITRUST is a strong option. It aligns closely with HIPAA regulations, making it ideal for healthcare-specific compliance requirements.
- ISO 27001: If global recognition and a well-rounded security approach are priorities, ISO 27001 stands out. However, it might require more upfront time and resources to implement effectively.
Each framework has its strengths, so the right choice will depend on your industry focus and compliance objectives.
What’s the fastest way to build a crosswalk without duplicating evidence?
The fastest way to build a crosswalk without repeating evidence is by using tools and frameworks designed to map controls across different standards. By utilizing control mapping checklists and automated platforms, you can efficiently catalog controls, align them with various frameworks, and document decisions. This method reduces duplication, ensures consistency, and simplifies compliance by concentrating on shared requirements across frameworks.
How do we keep a control catalog audit-ready year-round?
To keep your control catalog audit-ready throughout the year, focus on continuous monitoring and automation tools to quickly address any compliance gaps. Platforms like Censinet RiskOps™ can simplify this process by offering control mapping and automating evidence collection.
In addition to leveraging technology, prioritize regular internal readiness assessments, maintain up-to-date documentation, and establish clear workflows. Training your team on compliance requirements is also key to staying aligned with frameworks such as ISO 27001, SOC 2, or HITRUST - all while cutting down on manual work.
