# ctlogs.dev vs Red Sift Radar: 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). [Red Sift Radar](https://cybersectools.com/tools/red-sift-red-sift-radar) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Red Sift](https://cybersectools.com/companies/red-sift). 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 | Red Sift Radar |
|---|---|---|
| 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 | Red Sift |
| Headquarters | – | – |

### Use cases and capabilities

| | ctlogs.dev | Red Sift Radar |
|---|---|---|
| Reconnaissance | Yes | – |
| OSINT | Yes | – |
| SSL | Yes | – |
| TLS | Yes | – |
| REST API | Yes | – |
| Cyber Threat Intelligence | Yes | – |
| DNS Security | Yes | – |
| Attack Detection | Yes | – |
| Subdomain Enumeration | 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

**Red Sift Radar**

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

### Integrations

**ctlogs.dev**

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

**Red Sift Radar**

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.
- [Red Sift Radar](https://cybersectools.com/tools/red-sift-red-sift-radar) fits if you are a small business or a mid-market company or an enterprise.

## ctlogs.dev vs Red Sift Radar FAQ

Common questions when comparing ctlogs.dev vs Red Sift Radar for external attack surface management.

### What is the difference between ctlogs.dev and Red Sift Radar?

**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.

**Red Sift Radar**: LLM-powered security platform for finding and fixing security gaps. Built by Red Sift.

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

### Who makes ctlogs.dev and Red Sift Radar?

**ctlogs.dev** is made by Apps34. **Red Sift Radar** is made by Red Sift. 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 Red Sift Radar?

Often, yes. ctlogs.dev and Red Sift Radar 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 DDactic Attack Surface Discovery](https://cybersectools.com/compare/ctlogsdev-vs-ddactic-attack-surface-discovery)
- [ctlogs.dev vs SurfaceDiff](https://cybersectools.com/compare/ctlogsdev-vs-surfacediff)
- [ctlogs.dev vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-ctlogsdev)
- [Red Sift Radar vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-red-sift-red-sift-radar)
- [Red Sift Radar vs SurfaceDiff](https://cybersectools.com/compare/red-sift-red-sift-radar-vs-surfacediff)
- [Red Sift Radar vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-red-sift-red-sift-radar)

## Alternatives to each

- [See all ctlogs.dev alternatives](https://cybersectools.com/alternatives/ctlogsdev)
- [See all Red Sift Radar alternatives](https://cybersectools.com/alternatives/red-sift-red-sift-radar)

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Source: https://cybersectools.com/compare/ctlogsdev-vs-red-sift-red-sift-radar

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More on ctlogs.dev and Red Sift Radar: 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