Qtangl — PQC Vendor Comparison Guide
Post-quantum readiness vendors compared
Comparisons reflect public vendor positioning validated against live sources. We acknowledge where incumbents win on depth. Qtangl wins on packaging: speed, signed publicly-verifiable evidence, mid-market price, and honest scope. Last validated 2026-06-09.
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Positioning map
Broad platform vs point tool (horizontal) and enterprise high-touch vs mid-market self-serve (vertical). Source: public vendor positioning, 2026-06-09.
- Qtangl
- SandboxAQ
- Keyfactor
- QuSecure
- IBM
- Fortanix
- Palo Alto Networks
- Qinsight
- ExeQuantum
- Encryption Consulting
- DigiCert
- AppViewX
- Entrust
- CyberArk
- Big 4 / boutique consulting
- Open source / DIY
- Spreadsheet / status quo
| Vendor | Breadth (0-1) | Self-serve (0-1) |
|---|---|---|
| Qtangl | 0.62 | 0.82 |
| SandboxAQ | 0.88 | 0.2 |
| Keyfactor | 0.8 | 0.38 |
| QuSecure | 0.62 | 0.34 |
| IBM | 0.92 | 0.12 |
| Fortanix | 0.5 | 0.46 |
| Palo Alto Networks | 0.86 | 0.45 |
| Qinsight | 0.52 | 0.7 |
| ExeQuantum | 0.57 | 0.62 |
| Encryption Consulting | 0.45 | 0.55 |
| DigiCert | 0.74 | 0.27 |
| AppViewX | 0.72 | 0.3 |
| Entrust | 0.84 | 0.3 |
| CyberArk | 0.78 | 0.28 |
| Big 4 / boutique consulting | 0.35 | 0.15 |
| Open source / DIY | 0.24 | 0.72 |
| Spreadsheet / status quo | 0.15 | 0.85 |
Discovery method coverage
No single discovery method is complete — NIST guidance recommends combining 2–3. Each vendor anchors to a primary method with characteristic blind spots.
| Vendor | Agentless external | Host / endpoint | Source / binary | Key / KMS | Certificate / CLM |
|---|---|---|---|---|---|
| Qtangl | yes | yes | yes | yes | yes |
| SandboxAQ | partial | yes | partial | partial | partial |
| Keyfactor | partial | yes | partial | partial | yes |
| QuSecure | yes | partial | no | partial | partial |
| IBM | no | partial | yes | partial | partial |
| Fortanix | partial | partial | no | yes | partial |
| Palo Alto Networks | yes | partial | no | no | partial |
| Qinsight | yes | partial | no | partial | partial |
| ExeQuantum | yes | partial | partial | partial | partial |
Direct PQC platform
AQtive Guard
Qtangl vs SandboxAQ
Enterprise CPM + AI-SPM from an Alphabet spin-out — deep agent-based discovery at enterprise price.
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Command + AgileSec + CipherInsights
Qtangl vs Keyfactor
CLM leader that consolidated crypto-discovery startups — deep host-agent visibility with NIST NCCoE validation.
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QuProtect R3
Qtangl vs QuSecure
PQ overlay with R3 Reconnaissance discovery — gov traction and active mitigation in one platform.
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Quantum Safe (Explorer / Advisor / Remediator)
Qtangl vs IBM
CBOM standard author with code-first discovery — IBM scale, services, and Guardium integration.
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Key Insight / PQC Central
Qtangl vs Fortanix
KMS/HSM-centric discovery with quantum readiness score — closest to our low-friction read-only pitch on keys.
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Quantum-Safe Security
Qtangl vs Palo Alto Networks
Agentless CBOM from NGFW/Prisma telemetry — they own the sensors where deployed.
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Pure-play inventory
Qinsight Platform
Qtangl vs Qinsight
Agentless signal collection with live CBOM — closest pure-play twin to Qtangl's scan-and-report model.
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ExeQuantum Platform
Qtangl vs ExeQuantum
Broad surface discovery across 10 vectors including JWT and OT — also ships formally-verified PQC.
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CBOM Secure
Qtangl vs Encryption Consulting
Consulting-led CBOM system of record across cloud, on-prem, HSM, vaults, and code.
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CLM / PKI incumbent
Trust Lifecycle Manager
Qtangl vs DigiCert
CLM and PKI leader with PQC issuance — cert discovery as CBOM foundation.
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AVX ONE + PQC Assessment
Qtangl vs AppViewX
CLM automation with PQC Assessment Tool producing CBOM and PQC-ready PKIaaS.
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Cryptographic Security Platform
Qtangl vs Entrust
PKI, key lifecycle, nShield HSM, and crypto-agility for enterprise identity programs.
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CyberArk Certificate Manager (ex-Venafi)
Qtangl vs CyberArk
Machine-identity and CLM leader adding PQC — assessment layer opportunity for Qtangl.
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Consulting / services
Open source / DIY
Status quo