Article · Wikipedia archive · Last revised Jun 10, 2026

Internet Security Research Group

The Internet Security Research Group (ISRG) is a public-benefit non-profit corporation based in California which focuses on Internet security. 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. Josh Aas serves as the group's executive director.

Last revised
Jun 10, 2026
Read time
≈ 1 min
Length
308 w
Citations
7
Source
Internet Security Research Group
FoundedMay 24, 2013
FoundersJosh Aas, Eric Rescorla
Type501(c)(3) non-profit organization
46-3344200
Registration no.C3569614
Legal statusActive
FocusInternet Security
Location
Region served
Global
Websiteabetterinternet.org
isrg.org

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

Projects

ISRG has three project areas:

Board members

The Internet Security Research Group has 10 board members as of June 2024.7

References

References

  1. "Let's Encrypt: Delivering SSL/TLS Everywhere | Let's Encrypt". letsencrypt.org. Retrieved April 1, 2023.
  2. "EFF, Mozilla back new certificate authority that will offer free SSL certificates". www.arnnet.com.au. Archived from the original on April 1, 2023. Retrieved April 1, 2023.
  3. Shankland, Stephen. "Privacy push means free encryption for websites". CNET. Retrieved April 1, 2023.
  4. Salter, Jim (June 21, 2021). "The ISRG wants to make the Linux kernel memory-safe with Rust". Ars Technica. Retrieved August 22, 2024.
  5. "More Memory Safety for Let's Encrypt: Deploying ntpd-rs". Let's Encrypt. Retrieved January 13, 2025.
  6. Alden, Daroc (August 2, 2024). "Divvi Up: privacy-respecting telemetry aggregation". LWN.net. Retrieved August 22, 2024.
  7. "About Internet Security Research Group". Internet Security Research Group. Retrieved June 25, 2024.
External links