# ctlogs.dev vs TrustFour T4 - Detect: 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). [TrustFour T4 - Detect](https://cybersectools.com/tools/trustfour-t4-detect) is a commercial [cyber asset attack surface management](https://cybersectools.com/categories/caasm) solution by [TrustFour](https://cybersectools.com/companies/trustfour). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions) picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more.

## Side-by-side comparison

| | ctlogs.dev | TrustFour T4 - Detect |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | External Attack Surface Management | Cyber Asset Attack Surface Management |
| Verified | Verified | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup | Mid-Market, Enterprise |
| Company | Apps34 | TrustFour |
| Headquarters | – | – |

### Use cases and capabilities

| | ctlogs.dev | TrustFour T4 - Detect |
|---|---|---|
| Reconnaissance | Yes | – |
| OSINT | Yes | – |
| SSL | Yes | – |
| TLS | Yes | Yes |
| REST API | Yes | – |
| Cyber Threat Intelligence | Yes | – |
| DNS Security | Yes | – |
| Attack Detection | Yes | Yes |
| Subdomain Enumeration | Yes | – |
| NIST | – | Yes |
| Non-Human Identity | – | Yes |
| Workload Security | – | Yes |
| Quantum Safe | – | Yes |
| Lateral Movement | – | Yes |
| Network Scanning | – | Yes |
| Visibility | – | Yes |
| Network 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

**TrustFour T4 - Detect**

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

### Integrations

**ctlogs.dev**

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

**TrustFour T4 - Detect**

No integrations listed.

## 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.
- [TrustFour T4 - Detect](https://cybersectools.com/tools/trustfour-t4-detect) fits if you are a mid-market company or an enterprise.

## ctlogs.dev vs TrustFour T4 - Detect FAQ

Common questions when comparing ctlogs.dev vs TrustFour T4 - Detect for external attack surface management.

### What is the difference between ctlogs.dev and TrustFour T4 - Detect?

**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.

**TrustFour T4 - Detect**: Workload attack surface visibility tool for TLS compliance & NHI assessment. Built by TrustFour.

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

### Who makes ctlogs.dev and TrustFour T4 - Detect?

**ctlogs.dev** is made by Apps34. **TrustFour T4 - Detect** is made by TrustFour. 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 TrustFour T4 - Detect?

In part. ctlogs.dev and TrustFour T4 - Detect are not in the same category on CybersecTools. Both cover TLS, Attack Detection. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [ctlogs.dev vs SurfaceDiff](https://cybersectools.com/compare/ctlogsdev-vs-surfacediff)
- [ctlogs.dev vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ctlogsdev-vs-ddactic-attack-surface-discovery)
- [ctlogs.dev vs Cylana EASM](https://cybersectools.com/compare/ctlogsdev-vs-cylana-easm)
- [TrustFour T4 - Detect vs SurfaceDiff](https://cybersectools.com/compare/surfacediff-vs-trustfour-t4-detect)
- [TrustFour T4 - Detect vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-trustfour-t4-detect)
- [TrustFour T4 - Detect vs Cylana EASM](https://cybersectools.com/compare/cylana-easm-vs-trustfour-t4-detect)

## Alternatives to each

- [See all ctlogs.dev alternatives](https://cybersectools.com/alternatives/ctlogsdev)
- [See all TrustFour T4 - Detect alternatives](https://cybersectools.com/alternatives/trustfour-t4-detect)

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Source: https://cybersectools.com/compare/ctlogsdev-vs-trustfour-t4-detect

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 TrustFour T4 - Detect: 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