Let’s Encrypt Subscriber Agreement

• Currently in Effect
  • v1.2, November 15, 2017
  • U.S. Government Amendment, September 22, 2015
  • U.S. State and Local Government Amendment, December 28, 2016
• Historical / Informational
  • Differences from v1.1.1 to v1.2
  • v1.1.1, August 1, 2016
  • Differences from v1.0.1 to v1.1.1
  • v1.0.1, July 27, 2015

ISRG Certificate Policy

• v2.2, September 20, 2018
• v2.1, February 6, 2018
• v2.0, May 22, 2017
• v1.3, April 13, 2017
• v1.2, May 5, 2016
• v1.1, September 9, 2015
• v1.0, May 5, 2015

ISRG Certification Practice Statement

• v2.5, November 14, 2018
• v2.4, September 20, 2018
• v2.3, May 4, 2018
• v2.2, March 10, 2018
• v2.1, February 6, 2018
• v2.0, April 13, 2017
• v1.5, October 18, 2016
• v1.4, May 5, 2016
• v1.3, March 16, 2016
• v1.2, September 22, 2015
• v1.1, September 9, 2015
• v1.0, May 5, 2015

Let’s Encrypt Privacy Policy

• August 15, 2016

Let’s Encrypt Trademark Policy

• Current Trademark Policy

ISRG Legal Transparency Reports

• October 1, 2018
• April 1, 2018
• October 1, 2017
• April 1, 2017
• October 1, 2016
• April 1, 2016
• July 1, 2015

ISRG Non-Discrimination Policy

• June 18, 2015

WebTrust Audits

Operational Audits

• November 30, 2018: Trust Services Principles and Criteria for Certification Authorities Version 2.1
• November 30, 2018: WebTrust Principles and Criteria for Certification Authorities – SSL Baseline with Network Security – Version 2.3
• December 15, 2017: Trust Services Principles and Criteria for Certification Authorities Version 2.0
• December 15, 2017: WebTrust Principles and Criteria for Certification Authorities – SSL Baseline with Network Security – Version 2.2
• December 15, 2016: Trust Services Principles and Criteria for Certification Authorities Version 2.0
• December 15, 2016: WebTrust Principles and Criteria for Certification Authorities - SSL Baseline with Network Security - Version 2.0
• December 15, 2015: Trust Services Principles and Criteria for Certification Authorities Version 2.0
• December 15, 2015: WebTrust Principles and Criteria for Certification Authorities - SSL Baseline with Network Security - Version 2.0

Readiness Audits

• September 9, 2015: Trust Service Principles and Criteria for Certification Authorities Version 2.0
• September 9, 2015: WebTrust Principles and Criteria for Certification Authorities - SSL Baseline with Network Security - Version 2.0

Certificate Problem Reports

To report private key compromise, certificate misuse, or other types of fraud, compromise, misuse, inappropriate conduct, or any other matter related to certificates, please email [email protected].