# ctlogs.dev vs Halo Security Attack Surface Management: side-by-side comparison (2026)

[ctlogs.dev](https://cybersectools.com/tools/ctlogsdev) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Apps34](https://cybersectools.com/companies/apps34). [Halo Security Attack Surface Management](https://cybersectools.com/tools/halo-security-attack-surface-management) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Halo Security](https://cybersectools.com/companies/halo-security). Features, integrations, deployment and the company behind each one, side by side.

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## Side-by-side comparison

| | ctlogs.dev | Halo Security Attack Surface Management |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | External Attack Surface Management | External Attack Surface Management |
| Verified | Verified | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup | SMB, Mid-Market, Enterprise |
| Company | Apps34 | Halo Security |
| Headquarters | – | – |

### Use cases and capabilities

| | ctlogs.dev | Halo Security Attack Surface Management |
|---|---|---|
| Reconnaissance | Yes | – |
| OSINT | Yes | – |
| SSL | Yes | – |
| TLS | Yes | – |
| REST API | Yes | – |
| Cyber Threat Intelligence | Yes | – |
| DNS Security | Yes | – |
| Attack Detection | Yes | – |
| Subdomain Enumeration | Yes | – |
| Dark Web Monitoring | – | Yes |

### Core features

**ctlogs.dev**

- Real-time Certificate Transparency Search
- Automated Subdomain Enumeration
- High-Performance REST JSON API
- Wildcard & Fingerprint Matching
- SSL/TLS Certificate History Tracking
- Attack Surface Mapping
- Historical Log Archiving
- Instant Domain & Issuer Filtering

**Halo Security Attack Surface Management**

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

### Integrations

**ctlogs.dev**

- REST API
- cURL
- Python
- JSON
- Webhooks
- SIEM

**Halo Security Attack Surface Management**

4 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.

- [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev) fits if you are a startup.
- [Halo Security Attack Surface Management](https://cybersectools.com/tools/halo-security-attack-surface-management) fits if you are a small business or a mid-market company or an enterprise.

## ctlogs.dev vs Halo Security Attack Surface Management FAQ

Common questions when comparing ctlogs.dev vs Halo Security Attack Surface Management for external attack surface management.

### What is the difference between ctlogs.dev and Halo Security Attack Surface Management?

**ctlogs.dev**: Fast Certificate Transparency search and JSON API for subdomain reconnaissance. Built by Apps34. Core capabilities include Real-time Certificate Transparency Search, Automated Subdomain Enumeration, High-Performance REST JSON API.

**Halo Security Attack Surface Management**: External attack surface mgmt platform for discovering & monitoring assets. Built by Halo Security.

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

### Who makes ctlogs.dev and Halo Security Attack Surface Management?

**ctlogs.dev** is made by Apps34. **Halo Security Attack Surface Management** is made by Halo Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is ctlogs.dev a good alternative to Halo Security Attack Surface Management?

Often, yes. ctlogs.dev and Halo Security Attack Surface Management are both External Attack Surface Management products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [ctlogs.dev vs GuardEon](https://cybersectools.com/compare/ctlogsdev-vs-guardeon)
- [ctlogs.dev vs ArmorPoint Attack Surface Management](https://cybersectools.com/compare/armorpoint-attack-surface-management-vs-ctlogsdev)
- [ctlogs.dev vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ctlogsdev-vs-ddactic-attack-surface-discovery)
- [Halo Security Attack Surface Management vs GuardEon](https://cybersectools.com/compare/guardeon-vs-halo-security-attack-surface-management)
- [Halo Security Attack Surface Management vs ArmorPoint Attack Surface Management](https://cybersectools.com/compare/armorpoint-attack-surface-management-vs-halo-security-attack-surface-management)
- [Halo Security Attack Surface Management vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-halo-security-attack-surface-management)

## Alternatives to each

- [See all ctlogs.dev alternatives](https://cybersectools.com/alternatives/ctlogsdev)
- [See all Halo Security Attack Surface Management alternatives](https://cybersectools.com/alternatives/halo-security-attack-surface-management)

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Source: https://cybersectools.com/compare/ctlogsdev-vs-halo-security-attack-surface-management

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

More on ctlogs.dev and Halo Security Attack Surface Management: 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