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Grid Blackouts Start with Invisible East-West Traffic — Here's Why

Picture this: your fridge hums to a stop, hospitals scramble on backups, all because hackers slithered unseen through grid networks. East-west visibility isn't jargon — it's the firewall your power supply desperately needs.

theAIcatchup Apr 08, 2026 3 min read
Network diagram showing east-west traffic flows in electric grid OT infrastructure with visibility overlays

⚡ Key Takeaways

  • East-west visibility detects lateral movement in grids, preventing blackouts from internal threats. 𝕏
  • Legacy OT networks are flat and vulnerable; zero-trust segmentation enforced by visibility is essential. 𝕏
  • Historical parallels like Stuxnet show ignoring east-west risks catastrophe — mandates are coming. 𝕏
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theAIcatchup

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#OT networks #critical infrastructure #east-west visibility #grid security #lateral movement attacks

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Originally reported by Trend Micro Research

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