Fortra Cobalt Strike vs mailspoof: side-by-side comparison (2026)
Fortra Cobalt Strike is a commercial red-team & adversary emulation solution by Fortra. mailspoof is a free email security platforms solution. Features, integrations, deployment and the company behind each one, side by side.
Threat emulation product for adversary simulations and red team operations
A command-line tool that analyzes SPF and DMARC records to identify domains vulnerable to email spoofing attacks.
Side-by-side comparison
Feature
Fortra Cobalt Strike
mailspoof
Pricing model
Commercial
Free
Category
Red-Team & Adversary Emulation
Email Security Platforms
Deployment and fit
Deployment type
On-Premises
On-Premises
Company size fit
Mid-Market, Enterprise
Startup, SMB, Mid-Market, Enterprise
Open source
GitHub stars
–
131
Last commit
–
Oct 2020
Company
Company
Fortra
–
Use cases and capabilities
Red Team
Yes
Yes
Post Exploitation
Yes
No
C2
Yes
No
Lateral Movement
Yes
No
OSINT
No
Yes
Spoofing
No
Yes
DMARC
No
Yes
SPF
No
Yes
Core features
- 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
No features listed
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