Microsoft Teams – cursory audit shows some 15 certificates expired recentlykeychest.net·2 pts·dc352·0
Let's Encrypt Uptime Full and Partial – 2019 (99.92/96.4) vs. 2017 (99.86/98)keychest.net·1 pts·dc352·0
Somewhat personal story of building a cloud service (and some hardware too)magicofsecurity.com·2 pts·dc352·0
Minerva Attack (libgcrypt, wolfSSL/Crypt, MatrixSSL, Crypto++)–Humble Beginningsmagicofsecurity.com·1 pts·dc352·0