"Feb 8 (Reuters) - Microsoft Corp is considering a deal to buy cybersecurity firm Mandiant Inc... A deal to buy Mandiant would help Microsoft beef up its products that protect its clients from cybersecurity threats. The software giant bought two smaller cybersecurity companies in 2021 and said it would spend $20 billion on cybersecurity over the next five years..." https://www.reuters.com/technology/...rity-firm-mandiant-bloomberg-news-2022-02-08/
You see what I mean? I have always said that M$ clearly wanted to become a bigger player in the IT security industry, that's why they finally decided to design a decent AV like Win Defender which was used as a stepping stone for MS Defender ATP.