# QuSecure QuProtect R3 vs SandboxAQ AQtive Guard: side-by-side comparison (2026) [QuSecure QuProtect R3](https://cybersectools.com/tools/qusecure-quprotect-r3) is a commercial [cryptographic inventory & crypto-agility](https://cybersectools.com/categories/crypto-inventory-agility) solution by [QuSecure](https://cybersectools.com/companies/qusecure). [SandboxAQ AQtive Guard](https://cybersectools.com/tools/sandboxaq) is a commercial [cryptographic inventory & crypto-agility](https://cybersectools.com/categories/crypto-inventory-agility) solution by [SandboxAQ](https://cybersectools.com/companies/sandboxaq). Features, integrations, deployment and the company behind each one, side by side. ## Our take What our shortlists say about each one. ### [QuSecure QuProtect R3](https://cybersectools.com/tools/qusecure-quprotect-r3) Best for: Teams adding quantum-safe protection without code changes QuProtect R3 earns its place because it fixes at the network layer, so you can add quantum-safe key exchange without changing code or taking systems down. That suits mid-market and enterprise teams with legacy systems they cannot rewrite soon, and hybrid ML-KEM keeps classical clients working. Ask how it handles cryptography that lives inside your applications, because a network fix does not reach that. From [Best Post-Quantum Cryptography Solutions for Business](https://cybersectools.com/shortlists/best-post-quantum-cryptography-solutions), Fall 2026. ### [SandboxAQ AQtive Guard](https://cybersectools.com/tools/sandboxaq) Best for: Large companies wanting a full cryptography inventory AQtive Guard leads with discovery, which is where any post-quantum move has to start, because you cannot replace what you have not found. It suits mid-market and enterprise companies that must show progress against CNSA 2.0 and NIST mandates, and it plugs into ServiceNow, GitHub, GitLab and AWS. Ask how much of the replacement work it carries out and how much it plans for your teams, so you know what effort is left. From [Best Post-Quantum Cryptography Solutions for Business](https://cybersectools.com/shortlists/best-post-quantum-cryptography-solutions), Fall 2026. Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about). ## Side-by-side comparison | | QuSecure QuProtect R3 | SandboxAQ AQtive Guard | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Cryptographic Inventory & Crypto-Agility | Cryptographic Inventory & Crypto-Agility | | Verified | No | No | | Deployment type | Hybrid | Cloud | | Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise | | Company | QuSecure | SandboxAQ | | Headquarters | – | – | ### Use cases and capabilities | | QuSecure QuProtect R3 | SandboxAQ AQtive Guard | |---|---|---| | Quantum Safe | Yes | Yes | | Crypto | Yes | – | | Encryption | Yes | – | | NIST | Yes | – | | GDPR | Yes | – | | Key Management | Yes | – | | Inventory | Yes | – | | Critical Infrastructure | Yes | – | | Security Reporting | Yes | – | | Generative AI | – | Yes | ### Core features **QuSecure QuProtect R3** 10 features listed. Sign in on the page to see them. **SandboxAQ AQtive Guard** 9 features listed. Sign in on the page to see them. ### Integrations **QuSecure QuProtect R3** No integrations listed. **SandboxAQ AQtive Guard** 8 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [QuSecure QuProtect R3](https://cybersectools.com/tools/qusecure-quprotect-r3) fits if you need both cloud and on-premises options. - [SandboxAQ AQtive Guard](https://cybersectools.com/tools/sandboxaq) fits if you want a cloud product. ## QuSecure QuProtect R3 vs SandboxAQ AQtive Guard FAQ Common questions when comparing QuSecure QuProtect R3 vs SandboxAQ AQtive Guard for cryptographic inventory & crypto-agility. ### What is the difference between QuSecure QuProtect R3 and SandboxAQ AQtive Guard? **QuSecure QuProtect R3**: PQC platform for crypto asset discovery, remediation, and compliance reporting. Built by QuSecure. **SandboxAQ AQtive Guard**: Finds keys, certificates and algorithms, ranks their risk and plans post-quantum moves. Built by SandboxAQ. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes QuSecure QuProtect R3 and SandboxAQ AQtive Guard? **QuSecure QuProtect R3** is made by QuSecure. **SandboxAQ AQtive Guard** is made by SandboxAQ. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is QuSecure QuProtect R3 a good alternative to SandboxAQ AQtive Guard? Often, yes. QuSecure QuProtect R3 and SandboxAQ AQtive Guard are both Cryptographic Inventory & Crypto-Agility products, and both cover Quantum Safe. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [QuSecure QuProtect R3 vs Quantanaut](https://cybersectools.com/compare/quantanaut-vs-qusecure-quprotect-r3) - [QuSecure QuProtect R3 vs QCS PQC Transition Services](https://cybersectools.com/compare/qcs-pqc-transition-services-vs-qusecure-quprotect-r3) - [QuSecure QuProtect R3 vs ISARA Advance](https://cybersectools.com/compare/isara-advance-vs-qusecure-quprotect-r3) - [SandboxAQ AQtive Guard vs Quantanaut](https://cybersectools.com/compare/quantanaut-vs-sandboxaq) - [SandboxAQ AQtive Guard vs QCS PQC Transition Services](https://cybersectools.com/compare/qcs-pqc-transition-services-vs-sandboxaq) - [SandboxAQ AQtive Guard vs ISARA Advance](https://cybersectools.com/compare/isara-advance-vs-sandboxaq) ## Alternatives to each - [See all QuSecure QuProtect R3 alternatives](https://cybersectools.com/alternatives/qusecure-quprotect-r3) - [See all SandboxAQ AQtive Guard alternatives](https://cybersectools.com/alternatives/sandboxaq) --- Source: https://cybersectools.com/compare/qusecure-quprotect-r3-vs-sandboxaq For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/qusecure-quprotect-r3.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on QuSecure QuProtect R3 and SandboxAQ AQtive Guard: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md