SecurityScorecard rates external security posture. Thirdsentry runs your whole GRC program, internal governance, risk, policy, and vendor assessments, and reconciles assessed vendor posture against that same external signal.
SecurityScorecard provides external security ratings based on outside-in scanning of organizations' digital footprints, one signal. Thirdsentry is an internal GRC + TPRM platform that combines governance, risk management, policy lifecycle, and reviewer-validated vendor assessments on one data model, then runs Posture Divergence Detection: it reconciles a vendor's assessed posture against live external exposure and flags the gap. An external rating tells you how a vendor looks from the outside; Thirdsentry pairs that signal with the assessed-posture side and tells you when the two disagree.
| Capability | Thirdsentry | SecurityScorecard |
|---|---|---|
| Primary Focus | Unified GRC + TPRM on one data model | External security ratings and cyber risk quantification |
| Assessment Approach | Internal assessments with AI scoring based on questionnaires and evidence | Outside-in scanning and continuous external monitoring |
| Internal Risk Register | Full lifecycle: inherent/residual scoring, SLA tracking, exceptions | Cyber risk quantification focused on external signals |
| Third-Party Risk Management | Vendor assessments with reviewer-validated scoring and remediation workflows, plus continuous external monitoring | Security ratings for vendors with continuous monitoring |
| Posture Divergence Detection | Reconciles each vendor's assessed posture against live external exposure and flags divergence at Minor / Moderate / Severe severity | Not available. Provides the external-exposure signal only, with no assessed-posture side to reconcile against |
| AI Capabilities | RAG-grounded assessment scoring, risk narratives, and cited questionnaire response drafting, all reviewer-validated | AI-powered cyber risk analysis and threat intelligence |
| Policy Management | Full lifecycle: drafting, approval workflows, versioning, acknowledgment tracking | Not a primary capability |
| External Questionnaire Engine | RAG-grounded response engine that drafts cited answers from your real controls, policies, and evidence with confidence scoring | Not available. Focuses on ratings, not questionnaire management |
| Framework Coverage | 10 frameworks: NIST CSF 2.0, ISO 27001, SOC 2, PCI DSS, HIPAA, GDPR, and more | Maps security ratings to frameworks for reporting |
| Evidence Vault | Control-linked evidence vault with audit trails | External data collection, not internal evidence management |
| Compliance Calendar | Cross-module aggregation of deadlines and obligations | Not a primary capability |
| Board Reporting | Executive dashboards: Assessment, Risk, Policy views | Board-level cyber risk reporting with security ratings |
| AUDITOR role enforced at the data layer | Read-only AUDITOR access enforced in the data layer, not RBAC configuration that can drift | Not a primary capability. External ratings platform, not an internal GRC system of record |
| Pricing model | Flat fee, unlimited users. Framework expansion is the pricing axis, so renewal is predictable | Scales with the number of vendors / portfolio monitored |
| Target Market | Mid-market enterprises needing unified GRC + TPRM | Enterprise organizations focused on external cyber risk visibility |
Flat-fee pricing with unlimited users. Framework expansion is the pricing axis, not seats.
Enterprise pricing typically scales with portfolio size (number of vendors monitored). Costs grow as the monitored vendor population grows.
30-minute walkthrough on your data model. See Effy answer real questionnaires and surface live posture divergence end-to-end.