DefenceTalkMicrosoft has said a state-sponsored hacking group operating out of China is exploiting previously unknown security flaws in its Exchange email services to steal data from business users. The company said the hacking group, which it has named “Hafnium”, is a “highly skilled and sophisticated actor”. Hafnium has in the past targeted US-based companies including […]https://www.defencetalk.com/state-sponsored-hackers-in-china-targeting-email-services-microsoft-76837/