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Comparison

ThirdProof vs. BitSight
Per-Vendor Depth vs. Portfolio Breadth

BitSight monitors vendor cyber risk continuously across a portfolio. ThirdProof investigates one vendor at a time and cites every finding to its source, so each line can be checked independently.

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What BitSight does well

BitSight is the market leader in security performance management. They pioneered the concept of security ratings and provide continuous monitoring across massive vendor portfolios. Their platform excels at giving enterprise security teams a standardized, comparable view of cyber risk across hundreds or thousands of third parties. BitSight's data is widely accepted by cyber insurers and board-level risk committees.

Where the two differ

BitSight's centre of gravity is cyber risk signals — network security, patching cadence, compromised systems — scored continuously across a portfolio, with sanctions and restricted-entity screening offered alongside them (per BitSight's published product documentation, checked August 2026). What it is built to answer is "how is my portfolio trending". ThirdProof is built to answer "what can I evidence about this one vendor, today", and returns each finding with the source it came from so it can be re-checked independently. For compliance teams, that difference means BitSight is one input, not the complete picture.

ThirdProof's approach: regulatory + cyber + business risk

ThirdProof covers the full spectrum of vendor due diligence across 27 intelligence sources. This includes everything BitSight checks (cyber risk posture) plus sanctions screening, business legitimacy verification, adverse media scanning, certification verification against independent registries, regulatory filing analysis (SEC, FDIC), and subprocessor supply chain discovery. Every finding cites its source and the methodology is deterministic.

Pricing model: enterprise contracts vs. accessible plans

BitSight is sold on custom contracts with implementation timelines and dedicated account management, and does not publish a price. Buyer-reported contracts centre on about $24,000 a year, with recorded deals from roughly $5,000 to $59,000 (Vendr, 64 recorded purchases, checked August 2026). ThirdProof is $399/month for 50 vendor investigations per month with no annual commitment. For mid-market compliance teams, the difference isn't just price — it's accessibility. You can start investigating vendors today, not after a 3-month procurement cycle.

BitSight
ThirdProof
Primary approach
Continuous cyber risk monitoring at scale
Deep on-demand vendor assessment
Regulatory coverage
Cyber signals only
Sanctions (OFAC, EU, UN), SEC EDGAR, FDIC, adverse media
Business legitimacy verification
Not included
GLEIF/LEI registry + business registration checks
Certification verification
Not core feature
3-tier: independently verified / vendor attested / not found
Pricing
Quote only — ~$24K/yr reported median
$399/month for 50 investigations
Time to first assessment
Weeks (procurement + implementation)
Minutes (sign up and investigate)

Common questions

Can ThirdProof replace BitSight?+
They solve different problems. BitSight excels at continuous cyber risk monitoring across large vendor portfolios — giving enterprise security teams a real-time view of cyber risk trends. ThirdProof provides deep, point-in-time vendor assessment covering cyber, sanctions, regulatory, business legitimacy, and compliance verification. If you need continuous cyber monitoring at scale, BitSight is purpose-built for that. If you need comprehensive vendor due diligence for compliance, ThirdProof covers more ground.
Does BitSight check sanctions databases or regulatory filings?+
Yes, in part. BitSight's published product documentation describes sanctions and restricted-entity screening alongside its cyber ratings, particularly for supply-chain and defence use cases (bitsight.com, checked August 2026), so the honest difference is not whether it looks but what it delivers. BitSight's output is a monitored portfolio view on an annual contract. ThirdProof produces a per-vendor report that cites each finding to the source it came from — sanctions lists, SEC EDGAR, FDIC records, adverse media and subprocessor discovery — so an auditor can re-check any single line without access to the platform.
How does BitSight's pricing compare to ThirdProof?+
BitSight does not publish pricing; it is quoted per contract, and buyer-reported deals centre on roughly $24,000 a year (Vendr, checked August 2026). ThirdProof is $399/month for 50 vendor investigations — no annual commitment, no per-vendor fees. The pricing reflects different markets: BitSight serves large enterprise security teams, ThirdProof serves mid-market compliance teams that need comprehensive vendor due diligence at an accessible price point.
Which is better for SOC 2 vendor management?+
For SOC 2 CC9.2 specifically, ThirdProof is more directly applicable. It produces PDF reports written against the control being tested, covers the full scope of vendor due diligence (not just cyber posture), and checks 27 intelligence sources including sanctions, business legitimacy, and regulatory filings. BitSight's cyber ratings can supplement your assessment but don't cover the full vendor due diligence scope that CC9.2 requires.

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