Microsoft January 2020 Patch Tuesday and #CryptoAPI Flaw
Webcast: https://sans.org/cryptoapi-isc
Diary: https://isc.sans.edu/forums/diary/Microsoft+Patch+Tuesday+for+January+2020/25710/
NSA Release: https://media.defense.gov/2020/Jan/14/2002234275/-1/-1/0/CSA-WINDOWS-10-CRYPT-LIB-20190114.PDF