Internet Security Research Group
Digital infrastructure for a more secure and privacy-respecting world. Read all about our nonprofit work this year in our 2025 Annual Report.
Digital infrastructure for a more secure and privacy-respecting world. Read all about our nonprofit work this year in our 2025 Annual Report.
Developing solutions for security and privacy in digital identities
Read moreLet's Encrypt has been issuing trusted certificates for a decade.
Read moreImproving security for active and revoked certificates.
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Let's Encrypt is a free, automated, and open Certificate Authority. More than 500 million websites around the world use Let's Encrypt certificates to provide security and privacy to their visitors.
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Prossimo is an effort to move the Internet's security-sensitive software infrastructure to memory safe code. We provide strategic planning, facilitation, and communication to bring memory safety to high impact projects.
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Divvi Up is a privacy preserving telemetry service. It enables application owners to gain insights into a user base while respecting users' individual privacy, eliminating the need to store PII for telemetry, and mitigating compliance risks.
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