Internet Security Research Group

For the company having the stock symbol ISRG, see Intuitive Surgical.

The Internet Security Research Group (ISRG) is a public-benefit non-profit corporation based in California which focuses on Internet security.^[1] The group is known for hosting and running the Let's Encrypt service, which aims to make Transport Layer Security (TLS) certificates available for free in an automated fashion.^[2] Josh Aas serves as the group's executive director.^[3]

Internet Security Research Group

Founded	May 24, 2013
Founders	Josh Aas, Eric Rescorla
Type	501(c)(3) non-profit organization
Tax ID no.	46-3344200
Registration no.	C3569614
Legal status	Active
Focus	Internet Security
Location	548 Market St, PMB 77519, San Francisco, California 94104, United States
Area served	Global
Website	abetterinternet.org isrg.org

Projects

ISRG has three project areas:

• Let's Encrypt, a certificate authority that provides free certificates, with components including the Automatic Certificate Management Environment protocol
• Prossimo, an initiative that supports memory safety projects including ntpd-rs, Rustls, and Rust for Linux^[4][5]
• Divvi Up, a telemetry service^[6]

Board members

The Internet Security Research Group has 10 board members as of June 2024^[update].^[7]

• Josh Aas (Internet Security Research Group) — ISRG Executive Director
• J. Alex Halderman (University of Michigan)
• Vicky Chin (Mozilla)
• Aanchal Gupta (Independent)
• Jennifer Granick (ACLU)
• Pascal Jaillon (OVH)
• Richard Barnes (Cisco Systems)
• Christine Runnegar (Internet Society)
• Erica Portnoy (Electronic Frontier Foundation)
• David Nalley (Amazon)