Fortra Cobalt Strike vs GraphSpy: side-by-side comparison (2026)

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.

GraphSpy: GraphSpy is a browser-based post-exploitation tool for Azure Active Directory and Office 365 environments that enables token management, reconnaissance, and interaction with Microsoft 365 services.

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

Fortra Cobalt Strike is made by Fortra. GraphSpy is open-source with 1,176 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

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