AI · alternatives · 2026

24 alternatives to Quantum Armor

Attack Surface Management

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Quantum Armor launched in 2021; newer entries below may have overtaken it.

1. 1
   Know Your Attack Surface▲88

   Your digital assets exposed to the internet create threats.

   2021 · its alternatives →

2. 2
   Cyber Attack Surface Management▲6

   Protect your digital attack surface with Cytrusst ASM Tool

   2025 · cytrusst.com · its alternatives →

3. 3
   ThreatSlayer▲85

   Free enterprise grade security for your personal browser

   2023 · its alternatives →

4. 4
   Project Shield▲95

   Protecting free expression from digital attacks

   2022 · its alternatives →

5. 5
   Glasstrail ▲8

   See your external attack surface the way adversaries do

   2025 · glasstrail.com · its alternatives →

6. 6
   UltraInstinct AI▲70

   First Smart Security Platform with real-time threat alerts

   2021 · its alternatives →

7. 7
   CyberReflex ▲3

   Passive attack surface mapping with quantum-risk readiness

   Jul 2026 · cyberreflex.com · its alternatives →

8. 8
   OpenShield▲15

   A new generation security layer for AI models

   2024 · gen0sec.com · its alternatives →

9. 9
   QOne▲9

   https://qone.quantrail-data.com/

   Mar 2026 · qone.quantrail-data.com · its alternatives →

10. 10
    AgentShield▲5

    A safety shield. One-click rollback when AI goes crazy.

    Jan 2026 · github.com · its alternatives →

11. 11
    Access Vault▲21

    Post-Quantum Credential Management Made Easy

    2025 · accessvault.app · its alternatives →

12. 12AA
    Armour – A secure stdio MCP proxy, written in Go▲23

    At my last company, we connected Claude Code and Cursor to almost all our internal services via MCP. It made the team incredibly fast, but we hit a wall: permissions. If you give an agent "Read Only" access, it can’t actually fix anything. If you give it "Write" access, it’s only a matter of time before a hallucination or a bad prompt results in a deleted database or a nuked production bucket. We had a few "close calls" that convinced us that simply reducing IAM permissions makes agents useless. I built Armour (https://github.com/fuushyn/armour) to solve this. It’s a…

    Jan 2026 · github.com · its alternatives →

13. 13
    Quantum-Safe Security Platform▲7

    Go Quantum-Safe Before Quantum Goes Live

    Sep 2025 · qu-secure.net · its alternatives →

14. 14
    QubeGuard▲11

    Real-Time API Security

    2025 · its alternatives →

15. 15
    Coalition Control▲19

    Free attack surface monitoring and risk management solution

    2021 · its alternatives →

16. 16
    Crypter AI▲9

    Security, quantum computing, encryption, API, technology

    2025 · its alternatives →

17. 17
    Atomic Edge Security▲5

    Setup in minutes, protect your assets from the edge

    Feb 2026 · atomicedge.io · its alternatives →

18. 18
    QRL Mobile Wallet▲12

    QRL Mobile Wallet Android /IOS

    2024 · play.google.com · its alternatives →

19. 19
    CyberShieldAI▲7

    Your AI shield against digital threats

    2025 · github.com · its alternatives →

20. 20
    QUANTUM Crypto hardware wallet▲5

    Security Arts announces availability of QUANTUM Cryptodevice

    2019 · its alternatives →

21. 21
    NeoGuard▲13

    Detect & trace sensitive data with precision

    2025 · neurallens.ai · its alternatives →

22. 22
    ShieldFive▲4

    Zero-knowledge cloud storage, post-quantum by default

    Jun 2026 · shieldfive.com · its alternatives →

23. 23
    DTec CLI Quantum Encruption File Systen▲8

    A Cyber bully stopper in search for peace

    2025 · linkedin.com · its alternatives →

24. 24
    DigitalSecurity▲6

    AI-powered security to keep your digital world safe

    Nov 2025 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →