SHA-1 지원 종료 KB4474419 다운로드 정보

m.blog.naver.com/nologout/222124101011

https://openart.tistory.com/1016
https://bulhwang.tistory.com/32

 https://www.catalog.update.microsoft.com/Search.aspx?q=KB4474419 
 https://www.catalog.update.microsoft.com/Search.aspx?q=KB4490628