Explore a comprehensive 44-minute conference talk from AppSec EU 2017 on the long-term study of SSL/TLS certificates presented by Enrico Branca. Delve into the findings of a 48-month research project that analyzed and tested a vast number of cryptographic keys from open and public sources across various protocols. Learn about the methodology used to collect and evaluate these keys, discover the significant number of vulnerable and insecure keys identified, and understand the most prevalent issues affecting the industry. Gain valuable insights into the security and quality of encryption keys used in encrypted communications, and how this impacts overall data security. This OWASP Foundation presentation offers crucial information for cybersecurity professionals and anyone interested in the state of encrypted communication security.