SITUATION EXPLAINED: Ukraine gets access to OpenAI's cyber models to defend hospitals and power grids from Russia. • Daybreak access goes to the Ukrainian government for civilian infrastructure defense, announced on the sidelines of the UN General Assembly • Russian cyberattacks target hospital systems, the energy sector, and telecoms, alongside the physical strikes • OpenAI has already given cyber model access to defenders in France, Germany, and Poland • The EU's cyber agency ENISA used the…