# AhnLab A-FIRST 디지털 포렌식 서비스 vs USN-Journal-Parser: side-by-side comparison (2026)

[AhnLab A-FIRST 디지털 포렌식 서비스](https://cybersectools.com/tools/ahnlab-a-first-digital-forensics-service) is a commercial [digital forensics](https://cybersectools.com/categories/digital-forensics) solution by [AhnLab](https://cybersectools.com/companies/ahnlab). [USN-Journal-Parser](https://cybersectools.com/tools/usn-journal-parser) is a free [digital forensics](https://cybersectools.com/categories/digital-forensics) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | AhnLab A-FIRST 디지털 포렌식 서비스 | USN-Journal-Parser |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Digital Forensics | Digital Forensics |
| Verified | No | No |
| Deployment type | Hybrid | On-Premises |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | – | 116 |
| Last commit | – | Apr 2021 |
| Company | AhnLab | – |
| Headquarters | – | – |

### Use cases and capabilities

| | AhnLab A-FIRST 디지털 포렌식 서비스 | USN-Journal-Parser |
|---|---|---|
| APT | Yes | – |
| File Analysis | – | Yes |

### Core features

**AhnLab A-FIRST 디지털 포렌식 서비스**

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

**USN-Journal-Parser**

No features listed.

### Integrations

**AhnLab A-FIRST 디지털 포렌식 서비스**

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

**USN-Journal-Parser**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [AhnLab A-FIRST 디지털 포렌식 서비스](https://cybersectools.com/tools/ahnlab-a-first-digital-forensics-service) fits if you need both cloud and on-premises options.
- [USN-Journal-Parser](https://cybersectools.com/tools/usn-journal-parser) fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product.

## AhnLab A-FIRST 디지털 포렌식 서비스 vs USN-Journal-Parser FAQ

Common questions when comparing AhnLab A-FIRST 디지털 포렌식 서비스 vs USN-Journal-Parser for digital forensics.

### What is the difference between AhnLab A-FIRST 디지털 포렌식 서비스 and USN-Journal-Parser?

**AhnLab A-FIRST 디지털 포렌식 서비스**: Digital forensics service for incident analysis and APT response. Built by AhnLab.

**USN-Journal-Parser**: Python script to parse the NTFS USN Change Journal.

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

### Who makes AhnLab A-FIRST 디지털 포렌식 서비스 and USN-Journal-Parser?

**AhnLab A-FIRST 디지털 포렌식 서비스** is made by AhnLab. **USN-Journal-Parser** is open-source with 116 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is AhnLab A-FIRST 디지털 포렌식 서비스 a good alternative to USN-Journal-Parser?

Often, yes. AhnLab A-FIRST 디지털 포렌식 서비스 and USN-Journal-Parser are both Digital Forensics products. Key differences: AhnLab A-FIRST 디지털 포렌식 서비스 is Commercial while USN-Journal-Parser is Free, USN-Journal-Parser is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [AhnLab A-FIRST 디지털 포렌식 서비스 vs MailXaminer MIME Header Analyzer](https://cybersectools.com/compare/ahnlab-a-first-digital-forensics-service-vs-mailxaminer-mime-header-analyzer)
- [AhnLab A-FIRST 디지털 포렌식 서비스 vs CaseScan](https://cybersectools.com/compare/ahnlab-a-first-digital-forensics-service-vs-casescan)
- [AhnLab A-FIRST 디지털 포렌식 서비스 vs Cyacomb](https://cybersectools.com/compare/ahnlab-a-first-digital-forensics-service-vs-cyacomb)
- [USN-Journal-Parser vs MailXaminer MIME Header Analyzer](https://cybersectools.com/compare/mailxaminer-mime-header-analyzer-vs-usn-journal-parser)
- [USN-Journal-Parser vs CaseScan](https://cybersectools.com/compare/casescan-vs-usn-journal-parser)
- [USN-Journal-Parser vs Cyacomb](https://cybersectools.com/compare/cyacomb-vs-usn-journal-parser)

## Alternatives to each

- [See all AhnLab A-FIRST 디지털 포렌식 서비스 alternatives](https://cybersectools.com/alternatives/ahnlab-a-first-digital-forensics-service)
- [See all USN-Journal-Parser alternatives](https://cybersectools.com/alternatives/usn-journal-parser)

---

Source: https://cybersectools.com/compare/ahnlab-a-first-digital-forensics-service-vs-usn-journal-parser

For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/ahnlab-a-first-digital-forensics-service.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on AhnLab A-FIRST 디지털 포렌식 서비스 and USN-Journal-Parser: 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
