By Johannes B. Ullrich, Ph.D. SSL Distribution by Country
https://isc.sans.edu/forums/diary/Secure+vs+cleartext+protocols+couple+of+interesting+stats/25854/
Checkpoint Evasion Encyclopedia
https://research.checkpoint.com/2020/cpr-evasion-encyclopedia-the-check-point-evasion-repository/
OWASP Threat Dragon
https://github.com/mike-goodwin/owasp-threat-dragon-desktop
SANS Free Things
https://sans.org/free
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