# Allegro RomCert vs ThreatDefence Integrated ASM: side-by-side comparison (2026)

[Allegro RomCert](https://cybersectools.com/tools/allegro-romcert) is a commercial [certificate lifecycle management](https://cybersectools.com/categories/clm) solution by [Allegro Software Development](https://cybersectools.com/companies/allegro-software-development). [ThreatDefence Integrated ASM](https://cybersectools.com/tools/threatdefence-integrated-asm) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [ThreatDefence](https://cybersectools.com/companies/threatdefence). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Allegro RomCert | ThreatDefence Integrated ASM |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Certificate Lifecycle Management | External Attack Surface Management |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | Enterprise, Mid-Market | SMB, Mid-Market, Enterprise |
| Company | Allegro Software Development | ThreatDefence |
| Headquarters | – | – |

### Use cases and capabilities

| | Allegro RomCert | ThreatDefence Integrated ASM |
|---|---|---|
| IoT Security | Yes | Yes |
| SSL | Yes | Yes |
| TLS | Yes | – |
| SSH | Yes | – |
| Encryption | Yes | – |
| Authentication | Yes | – |
| Key Management | Yes | – |
| Critical Infrastructure | Yes | – |
| Hardware | Yes | – |
| Dark Web Monitoring | – | Yes |
| Vulnerability | – | Yes |
| DNS Security | – | Yes |
| Digital Risk Protection | – | Yes |
| Third Party Security | – | Yes |
| Subdomain Enumeration | – | Yes |
| Misconfiguration | – | Yes |

### Core features

**Allegro RomCert**

9 features listed. Sign in on the page to see them.

**ThreatDefence Integrated ASM**

10 features listed. Sign in on the page to see them.

### Integrations

**Allegro RomCert**

2 integrations listed. Sign in on the page to see them.

**ThreatDefence Integrated ASM**

1 integration 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.

- [Allegro RomCert](https://cybersectools.com/tools/allegro-romcert) fits if you need to run it on your own servers.
- [ThreatDefence Integrated ASM](https://cybersectools.com/tools/threatdefence-integrated-asm) fits if you want a cloud product and you are a small business.

## Allegro RomCert vs ThreatDefence Integrated ASM FAQ

Common questions when comparing Allegro RomCert vs ThreatDefence Integrated ASM for certificate lifecycle management.

### What is the difference between Allegro RomCert and ThreatDefence Integrated ASM?

**Allegro RomCert**: OCSP/SCEP cert lifecycle mgmt toolkit for embedded/IoT systems. Built by Allegro Software Development.

**ThreatDefence Integrated ASM**: ASM platform monitoring external attack surface, dark web leaks & 3rd-party risks. Built by ThreatDefence.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Allegro RomCert and ThreatDefence Integrated ASM?

**Allegro RomCert** is made by Allegro Software Development. **ThreatDefence Integrated ASM** is made by ThreatDefence. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Allegro RomCert a good alternative to ThreatDefence Integrated ASM?

In part. Allegro RomCert and ThreatDefence Integrated ASM are not in the same category on CybersecTools. Both cover SSL, IoT Security. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Allegro RomCert vs SAESOL Tech S2X CMS](https://cybersectools.com/compare/allegro-romcert-vs-saesol-tech-s2x-cms)
- [Allegro RomCert vs Evertrust](https://cybersectools.com/compare/allegro-romcert-vs-evertrust)
- [Allegro RomCert vs TrustFour T4 Control Plane](https://cybersectools.com/compare/allegro-romcert-vs-trustfour-t4-control-plane)
- [ThreatDefence Integrated ASM vs SAESOL Tech S2X CMS](https://cybersectools.com/compare/saesol-tech-s2x-cms-vs-threatdefence-integrated-asm)
- [ThreatDefence Integrated ASM vs Evertrust](https://cybersectools.com/compare/evertrust-vs-threatdefence-integrated-asm)
- [ThreatDefence Integrated ASM vs TrustFour T4 Control Plane](https://cybersectools.com/compare/threatdefence-integrated-asm-vs-trustfour-t4-control-plane)

## Alternatives to each

- [See all Allegro RomCert alternatives](https://cybersectools.com/alternatives/allegro-romcert)
- [See all ThreatDefence Integrated ASM alternatives](https://cybersectools.com/alternatives/threatdefence-integrated-asm)

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Source: https://cybersectools.com/compare/allegro-romcert-vs-threatdefence-integrated-asm

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/allegro-romcert.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Allegro RomCert and ThreatDefence Integrated ASM: 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