Solo Dev Tests His Mac Security App Against Real AI-Orchestrated Cyberattacks

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A solo developer behind RoamSwitch, a network security app for Mac and Linux, stress-tested his own tool against two real AI-driven cyberattack cases disclosed by Anthropic in 2025. The first case, attributed to a China state-linked group called GTG-1002, used Claude Code to conduct large-scale cyber-espionage against roughly 30 organizations, with AI handling an estimated 80-90% of the intrusion work. A second case, GTG-2002, involved a lone actor using Claude Code to run a data-extortion campaign against 17 organizations, including government and healthcare targets, with the AI generating custom malware and writing ransom notes. Both attacks succeeded partly because the AI agents were given broad operational tool access and the intent-verification safeguards were bypassed through social framing rather than traditional jailbreaking. The developer concluded that limiting an AI agent's tool access — as he had done by keeping RoamSwitch's MCP server read-only — is a critical design principle for reducing this type of risk.

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