Honest 10-way comparison of ISO 27001 + 27017 (Cloud Security) + 27018 (Cloud Privacy) + 27701 (Privacy Information Management) Multi-Framework Vendor Comparison platforms. No vendor sponsorship. Calling Matrix by buyer persona below — operator's siren-based read on which one to pick when you're forced to pick.
Honest read on positioning, ideal customer, and where each one is the wrong call. No vendor sponsorship, no affiliate links — operator-grade signal.
The multi-framework default — strongest on 27001 + 27701, with 27017/27018 mapped through AWS/Azure/GCP integrations. Largest control library across the four ISO standards in this cluster, deepest cloud-config telemetry into the major hyperscalers, most board-defensible brand at the procurement gate. The category-defining platform for layering 27017/27018/27701 on top of a 27001 baseline.
The Vanta peer with growing 27017/27018/27701 coverage and a sharper continuous-monitoring posture. Strong 27001 foundation, expanding cloud-extension control libraries through 2025-2026, real-time evidence-collection mesh on AWS/GCP/Azure. Often picked over Vanta when continuous monitoring depth matters more than control-library breadth.
The breadth play — all four ISO standards (27001 + 27017 + 27018 + 27701) supported with strong cross-mapping. Slightly behind Vanta/Drata on 27017 hyperscaler depth but ahead of most second-tier vendors. Honest middle option when you want all four in one platform without paying Vanta enterprise pricing.
The APAC-default with deep 27001 + 27701 coverage and growing 27017/27018 support. Strongest pick for India/SEA/AU/NZ-headquartered SaaS where 27001 is the dominant compliance demand and 27701 is the natural privacy extension. 27017/27018 coverage is real but less mature than the US-headquartered leaders.
The AI-first option — auto-maps controls across all four ISO standards using an LLM-driven evidence engine. Promises that one piece of evidence (e.g., AES-256 encryption attestation) auto-maps to the correct control IDs across 27001 + 27017 + 27018 + 27701 simultaneously, dramatically reducing duplicate evidence work. Newer than Vanta/Drata so the brand is less procurement-recognized.
The GRC-platform play — bundles all four ISO standards inside a broader risk + vendor-management surface. Strongest if you also need vendor-risk + enterprise risk register + policy management alongside multi-framework compliance. Solid 27017 cloud-config coverage. Honest read: you pay for the GRC layer whether you use it or not.
The audit-bundled vendor — platform + actual ISO 27001 + 27701 audits delivered by the same firm. Removes the platform-vs-auditor friction by combining both. Strong 27001 + 27701 coverage; 27017/27018 supported but typically delivered through partner-auditor coordination. Best when you don't yet have an established audit-firm relationship.
The deepest multi-framework library in the cluster — all 4 ISO standards plus dozens more, with the strongest cross-framework control mapping for enterprise buyers. If your program runs 27001 + 27017 + 27018 + 27701 plus SOC 2 + HIPAA + PCI + FedRAMP simultaneously, Hyperproof's framework library is unmatched. Enterprise pricing reflects it.
The AI-native challenger — newer entrant with growing 27001/27017/27018/27701 coverage and an LLM-driven control-mapping engine. Brand is less procurement-recognized than Vanta/Drata, but the AI evidence-mapping approach is genuinely faster for teams running multiple ISO frameworks. Smaller customer reference base today.
The newest AI-first entrant — 27001 + 27701 mapped today, 27017/27018 on the roadmap. Strong opinionated UX for early-stage SaaS picking up their first 27001 + 27701 program. Honest read: not yet the right call if you need 27017 + 27018 today, but worth watching as the 4-framework coverage matures.
Most comparison sites refuse to forced-rank because their revenue depends on staying neutral. SideGuy ranks because it doesn't take vendor money. Here's the call by buyer persona.
Your problem: Your buyers are enterprises scrutinizing your cloud-security posture beyond baseline 27001. ISO 27017 adds 7 cloud-specific controls + extends 37 baseline controls with cloud guidance. You need a vendor that handles 27017 as a true extension, not a checkbox.
Your problem: ISO 27018 is the standard for protecting PII in cloud. Required by some EU enterprises + healthcare/financial buyers. You need a vendor that maps 27018 controls to your cloud-config + DLP + encryption posture, not just adds a policy doc.
Your problem: ISO 27701 extends 27001 with Privacy-Information-Management-System controls. Required for GDPR-defensible privacy programs at scale. You need a vendor that handles DPIA workflows, ROPA management, data-subject-rights tracking — not just a 27001 plus. Many 27701 buyers also run HIPAA megapage programs in parallel for healthcare-SaaS coverage.
Your problem: Big enterprises bundle all four. You need a platform with cross-framework control mapping so a single piece of evidence (e.g., AES-256 encryption) auto-maps to controls in all 4 frameworks. Single-framework platforms force 4x the evidence work.
These rankings are SideGuy's lived-data + observed-buyer-pattern read as of 2026-05-11. They're directional, not gospel. The right answer for YOUR specific situation may diverge — text PJ for a 10-min operator-honest read on your actual buying context.
Vendor pricing + features + market positioning shift quarterly. SideGuy may earn referral commissions from some of these vendors, but rankings are independent — affiliate relationships never change rank order. Sister doctrines: /open/ live operator dashboard · install packs · operator network.
Yes — each requires a separate audit and produces a separate certificate, but all three are built on top of the ISO 27001 baseline. You cannot certify against 27017, 27018, or 27701 without first having (or getting in parallel) a 27001 ISMS in place. The audits are typically combined for cost efficiency: same auditor, same surveillance cycle, same 3-year recertification rhythm. Each certificate is issued separately and listed separately on your trust page.
Vanta leads on 27017 today through the deepest cloud-config integrations into AWS, Azure, and GCP — the 7 cloud-specific controls and 37 cloud-extension controls map directly to live hyperscaler telemetry. Hyperproof is closest competitor with the deepest control library (strong if you need 50+ frameworks beyond just 27017). Scrut Automation is the third deep-coverage option, especially if you also want GRC + vendor risk bundled. Drata's 27017 coverage is growing rapidly through 2025-2026 but the cloud-control library is not yet as mature as Vanta's.
Yes — significantly. ISO 27701 maps directly to GDPR Articles 5 (data minimization), 6 (lawful basis), 13/14 (transparency), 17 (right to erasure), 30 (records of processing) and several more. A certified 27701 PIMS is widely treated as GDPR-defensible evidence by EU regulators and enterprise procurement teams. It does not replace GDPR compliance (which is law, not a standard), but it provides an internationally-recognized auditable framework that demonstrates your privacy program meets GDPR requirements. Many EU enterprises now require 27701 in vendor questionnaires alongside or instead of asking for GDPR attestations directly.
Roughly £20-40K combined for an SMB running all four (27001 + 27017 + 27018 + 27701) with the same auditor on the same surveillance cycle — significantly less than 4x the cost of 27001 alone because the auditor reuses much of the 27001 evidence. Enterprise pricing is custom and typically £60-150K depending on scope, geography, and number of locations. The cost-saving rule: bundle all four with one auditor on one schedule. Splitting frameworks across multiple auditors or surveillance cycles can easily double the total cost.
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