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A nonprofit Certificate Authority providing TLS certificates to 363 million websites. Read all about our nonprofit work this year in our 2023 Annual Report. From our blog Dec 28, 2023 A Year-End Letter from our Vice President A summary of how ISRG’s three projects, Let’s Encrypt, Divvi Up, and Prossimo continue to improve security and privacy. Read more Dec 13, 2023 Our role in supporting the nonp
HOW WELL DO YOU KNOW SSL? If you want to learn more about the technology that protects the Internet, you’ve come to the right place. Books Bulletproof SSL and TLS is a complete guide to deploying secure servers and web applications. This book, which provides comprehensive coverage of the ever-changing field of SSL/TLS and Web PKI, is intended for IT security professionals, system administrators, a
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