Not the same thing. Solarwinds saga (the one Russians are blamed for) was 1) extremely targeted and 2) extremely sophisticated. Exchange attacks on the other ha

Not the same thing. Solarwinds saga (the one Russians are blamed for) was 1) extremely targeted and 2) extremely sophisticated. Exchange attacks on the other hand were indiscriminate (not targeting any single country or infrastructure, just unpatched Exchange servers) and very simple (they used 0day chain, but it was three months old and likely somehow leaked as multiple groups got access to it at the same time).