# QuellSecure Active Containment vs ThreatLocker Application Allowlisting: side-by-side comparison (2026)

[QuellSecure Active Containment](https://cybersectools.com/tools/quellsecure-active-containment) is a commercial [endpoint protection platform](https://cybersectools.com/categories/epp) solution by [QuellSecure](https://cybersectools.com/companies/quellsecure). [ThreatLocker Application Allowlisting](https://cybersectools.com/tools/threatlocker-application-allowlisting) is a commercial [endpoint protection platform](https://cybersectools.com/categories/epp) solution by [ThreatLocker](https://cybersectools.com/companies/threatlocker). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | QuellSecure Active Containment | ThreatLocker Application Allowlisting |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Endpoint Protection Platform | Endpoint Protection Platform |
| Verified | No | No |
| Deployment type | On-Premises | On-Premises |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | QuellSecure | ThreatLocker |
| Headquarters | – | – |

### Use cases and capabilities

| | QuellSecure Active Containment | ThreatLocker Application Allowlisting |
|---|---|---|
| Ransomware | Yes | – |
| Ransomware Prevention | Yes | Yes |
| Windows | Yes | – |
| Windows Security | Yes | – |
| Anomaly Detection | Yes | – |
| Attack Detection | Yes | – |
| Mitigation | Yes | – |
| Whitelist | Yes | Yes |
| Alerting | Yes | – |

### Core features

**QuellSecure Active Containment**

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

**ThreatLocker Application Allowlisting**

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

## QuellSecure Active Containment vs ThreatLocker Application Allowlisting FAQ

Common questions when comparing QuellSecure Active Containment vs ThreatLocker Application Allowlisting for endpoint protection platform.

### What is the difference between QuellSecure Active Containment and ThreatLocker Application Allowlisting?

**QuellSecure Active Containment**: Endpoint ransomware containment tool that stops encryption activity in real time, built by QuellSecure.

**ThreatLocker Application Allowlisting**: Application allowlisting that blocks unauthorized software by default, built by ThreatLocker.

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

### Who makes QuellSecure Active Containment and ThreatLocker Application Allowlisting?

**QuellSecure Active Containment** is made by QuellSecure. **ThreatLocker Application Allowlisting** is made by ThreatLocker. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is QuellSecure Active Containment a good alternative to ThreatLocker Application Allowlisting?

Often, yes. QuellSecure Active Containment and ThreatLocker Application Allowlisting are both Endpoint Protection Platform products, and both cover Whitelist, Ransomware Prevention. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [QuellSecure Active Containment vs DataSecure RDR](https://cybersectools.com/compare/datasecure-rdr-vs-quellsecure-active-containment)
- [QuellSecure Active Containment vs OnSystem Logic OnSystem Defender](https://cybersectools.com/compare/onsystem-logic-onsystem-defender-vs-quellsecure-active-containment)
- [QuellSecure Active Containment vs Bkav Pro](https://cybersectools.com/compare/bkav-pro-vs-quellsecure-active-containment)
- [ThreatLocker Application Allowlisting vs DataSecure RDR](https://cybersectools.com/compare/datasecure-rdr-vs-threatlocker-application-allowlisting)
- [ThreatLocker Application Allowlisting vs OnSystem Logic OnSystem Defender](https://cybersectools.com/compare/onsystem-logic-onsystem-defender-vs-threatlocker-application-allowlisting)
- [ThreatLocker Application Allowlisting vs Bkav Pro](https://cybersectools.com/compare/bkav-pro-vs-threatlocker-application-allowlisting)

## Alternatives to each

- [See all QuellSecure Active Containment alternatives](https://cybersectools.com/alternatives/quellsecure-active-containment)
- [See all ThreatLocker Application Allowlisting alternatives](https://cybersectools.com/alternatives/threatlocker-application-allowlisting)

---

Source: https://cybersectools.com/compare/quellsecure-active-containment-vs-threatlocker-application-allowlisting

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

More on QuellSecure Active Containment and ThreatLocker Application Allowlisting: 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
