Rejected By Microsoft, 3 Defender Zero-Days Are Now Actively Exploited

A cyber security expert that goes by the name Nightmare-Eclipse attempted to disclose three zero days to Microsoft, but the first attempt reportedly ended in failure, so he elected to release it into the wild. That first exploit was dubbed “BlueHammer”. Shortly following BlueHammer, two more zero day exploits of Windows Defender, dubbed “RedSun”





