The Security Community's Uncomfortable Answer to Agent Swarms: Go Open

As practitioners warn that coordinated agent swarms are becoming a potent cyber weapon, one prominent argument holds that open weights are the only real defense.

The scariest security argument this week is also the most counterintuitive. @jun_song laid out the case bluntly: the cybersecurity risks from AI are real, AI agent swarms represent the most powerful cyber weapon yet, and — here is the twist — the only real solution is open weights. The logic runs against the instinct to lock everything down. If offensive capability is inevitable, the argument goes, defenders need unrestricted access to the same models to build defenses that keep pace.

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