# ctlogs.dev vs DarknetSearch Attack Surface Discovery: 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). [DarknetSearch Attack Surface Discovery](https://cybersectools.com/tools/darknetsearch-attack-surface-discovery) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Kaduu](https://cybersectools.com/companies/kaduu). Features, integrations, deployment and the company behind each one, side by side.

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## Side-by-side comparison

| | ctlogs.dev | DarknetSearch Attack Surface Discovery |
|---|---|---|
| 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 | Kaduu |
| Headquarters | – | – |

### Use cases and capabilities

| | ctlogs.dev | DarknetSearch Attack Surface Discovery |
|---|---|---|
| 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

**DarknetSearch Attack Surface Discovery**

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

### Integrations

**ctlogs.dev**

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

**DarknetSearch Attack Surface Discovery**

2 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.
- [DarknetSearch Attack Surface Discovery](https://cybersectools.com/tools/darknetsearch-attack-surface-discovery) fits if you are a small business or a mid-market company or an enterprise.

## ctlogs.dev vs DarknetSearch Attack Surface Discovery FAQ

Common questions when comparing ctlogs.dev vs DarknetSearch Attack Surface Discovery for external attack surface management.

### What is the difference between ctlogs.dev and DarknetSearch Attack Surface Discovery?

**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.

**DarknetSearch Attack Surface Discovery**: Attack surface discovery platform monitoring digital assets and data exposures. Built by Kaduu.

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

### Who makes ctlogs.dev and DarknetSearch Attack Surface Discovery?

**ctlogs.dev** is made by Apps34. **DarknetSearch Attack Surface Discovery** is made by Kaduu. 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 DarknetSearch Attack Surface Discovery?

Often, yes. ctlogs.dev and DarknetSearch Attack Surface Discovery 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 Guardz External Footprint](https://cybersectools.com/compare/ctlogsdev-vs-guardz-external-footprint)
- [ctlogs.dev vs ThreatDefence Integrated ASM](https://cybersectools.com/compare/ctlogsdev-vs-threatdefence-integrated-asm)
- [DarknetSearch Attack Surface Discovery vs GuardEon](https://cybersectools.com/compare/darknetsearch-attack-surface-discovery-vs-guardeon)
- [DarknetSearch Attack Surface Discovery vs Guardz External Footprint](https://cybersectools.com/compare/darknetsearch-attack-surface-discovery-vs-guardz-external-footprint)
- [DarknetSearch Attack Surface Discovery vs ThreatDefence Integrated ASM](https://cybersectools.com/compare/darknetsearch-attack-surface-discovery-vs-threatdefence-integrated-asm)

## Alternatives to each

- [See all ctlogs.dev alternatives](https://cybersectools.com/alternatives/ctlogsdev)
- [See all DarknetSearch Attack Surface Discovery alternatives](https://cybersectools.com/alternatives/darknetsearch-attack-surface-discovery)

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Source: https://cybersectools.com/compare/ctlogsdev-vs-darknetsearch-attack-surface-discovery

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 DarknetSearch Attack Surface Discovery: 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