# Fortra Cobalt Strike vs Log-Killer: side-by-side comparison (2026)

[Fortra Cobalt Strike](https://cybersectools.com/tools/fortra-cobalt-strike) is a commercial [red-team & adversary emulation](https://cybersectools.com/categories/offensive-security) solution by [Fortra](https://cybersectools.com/companies/fortra). [Log-Killer](https://cybersectools.com/tools/log-killer) is a free [red-team & adversary emulation](https://cybersectools.com/categories/offensive-security) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Fortra Cobalt Strike | Log-Killer |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Red-Team & Adversary Emulation | Red-Team & Adversary Emulation |
| Verified | Verified | No |
| Deployment type | On-Premises | On-Premises |
| Company size fit | Mid-Market, Enterprise | Enterprise |
| GitHub stars | – | 314 |
| Last commit | – | Apr 2020 |
| Company | Fortra | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Fortra Cobalt Strike | Log-Killer |
|---|---|---|
| Red Team | Yes | – |
| Post Exploitation | Yes | – |
| C2 | Yes | – |
| Lateral Movement | Yes | – |
| Linux | – | Yes |
| Windows | – | Yes |
| Security Tools | – | Yes |

### Core features

**Fortra Cobalt Strike**

- Post-exploitation payload (Beacon) with PowerShell execution, keylogging, screenshots, and file downloads
- Malleable Command and Control (C2) language for network indicator customization
- Browser pivoting for hijacking authenticated web sessions
- System Profiler for target fingerprinting and reconnaissance
- Shared team server for collaborative red team operations
- Asynchronous low and slow communication for stealth
- Multiple report types including activity, hosts, IOCs, sessions, and TTPs
- Extensible framework supporting custom scripts and extensions

**Log-Killer**

No features listed.

## Which one fits you

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

- [Fortra Cobalt Strike](https://cybersectools.com/tools/fortra-cobalt-strike) fits if you are a mid-market company.
- [Log-Killer](https://cybersectools.com/tools/log-killer) fits if you need a free product and you want an open-source product.

## Fortra Cobalt Strike vs Log-Killer FAQ

Common questions when comparing Fortra Cobalt Strike vs Log-Killer for red-team & adversary emulation.

### What is the difference between Fortra Cobalt Strike and Log-Killer?

**Fortra Cobalt Strike**: Threat emulation product for adversary simulations and red team operations. Built by Fortra. Core capabilities include Post-exploitation payload (Beacon) with PowerShell execution, keylogging, screenshots, and file downloads, Malleable Command and Control (C2) language for network indicator customization, Browser pivoting for hijacking authenticated web sessions.

**Log-Killer**: Tool for deleting logs on Linux/Windows servers.

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

### Who makes Fortra Cobalt Strike and Log-Killer?

**Fortra Cobalt Strike** is made by Fortra. **Log-Killer** is open-source with 314 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Fortra Cobalt Strike a good alternative to Log-Killer?

Often, yes. Fortra Cobalt Strike and Log-Killer are both Red-Team & Adversary Emulation products. Key differences: Fortra Cobalt Strike is Commercial while Log-Killer is Free, Log-Killer is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Fortra Cobalt Strike vs Core Security Outflank Security Tooling](https://cybersectools.com/compare/core-security-outflank-security-tooling-vs-fortra-cobalt-strike)
- [Fortra Cobalt Strike vs Core Security Cobalt Strike](https://cybersectools.com/compare/core-security-cobalt-strike-vs-fortra-cobalt-strike)
- [Fortra Cobalt Strike vs Core Security Bundles and Suites](https://cybersectools.com/compare/core-security-bundles-and-suites-vs-fortra-cobalt-strike)
- [Log-Killer vs Core Security Outflank Security Tooling](https://cybersectools.com/compare/core-security-outflank-security-tooling-vs-log-killer)
- [Log-Killer vs Core Security Cobalt Strike](https://cybersectools.com/compare/core-security-cobalt-strike-vs-log-killer)
- [Log-Killer vs Core Security Bundles and Suites](https://cybersectools.com/compare/core-security-bundles-and-suites-vs-log-killer)

## Alternatives to each

- [See all Fortra Cobalt Strike alternatives](https://cybersectools.com/alternatives/fortra-cobalt-strike)
- [See all Log-Killer alternatives](https://cybersectools.com/alternatives/log-killer)

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Source: https://cybersectools.com/compare/fortra-cobalt-strike-vs-log-killer

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

More on Fortra Cobalt Strike and Log-Killer: 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