IEEE/ICACT20230059 Slide.12        [Big Slide]       [YouTube] Oral Presentation
Let's take a look at the results for the certificate authorities of the public HEIs. The R3 CA is the most used, representing 24.7% of the CAs. Cloudflare Inc ECC CA-3 comes in second with 4.4% and AlphaSSL CA-SHA256-G2 with 3.8%. The other CAs account for the remaining 12.2% of certifications. It's worth mentioning that the public HEIs use a greater variety of CAs than the private HEIs.

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