The Second Security, Stability, and Resiliency Review is mandated by ICANN Bylaws Section 4.6(c) to examine how effectively ICANN is meeting its commitment to enhance the operational stability, reliability, resiliency, security and global interoperability of the systems/processes (internal/external) that affect the Internet's unique identifiers.



(Some members of the SSR2 review team are not pictured above)


Become a SSR2 Observer

  • Subscribe to SSR2 as an observer!  Send a request to mssi-secretariat@icann.org 
  • Observe SSR2 meetings live: Learn more
  • Listen to past SSR2 meetings: Learn more
  • Stay up-to-date on key documents: Learn more
  • Share your input with the SSR2 Review Team via their public email list  input-to-ssr2rt@icann.org
  • Observers will receive calendar invites to plenary meetings and may have read-only access to mailing list upon request.


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Board Action and Next Steps on the SSR2 Review 

26 July 2021 - Read the blog by Maarten Botterman, ICANN Board Chair: https://www.icann.org/en/blogs/details/board-action-and-next-steps-on-the-ssr2-review-26-7-2021-en

SSR2 Final Report available for Public Comment

28 January 2021 - On 25 January 2021, the second Security, Stability, and Resiliency (SSR2) Review Team submitted its final report to the ICANN Board. The report is now issued for Public Comment to inform Board action on the SSR2 Review Team's final recommendations. View the Public Comment proceeding here: https://www.icann.org/public-comments/ssr2-final-report-2021-01-28-en

Executive Summary of the SSR2 Final Report: AR | ES | FR | RU | ZH

Join the SSR2 Webinar on its Final Report

26 January 2021 - The SSR2 Review Team will host a webinar on 11 February 2021 at 15:00 UTC for 60 minutes. See here for participation details.

Join the SSR2 Update Webinar during ICANN69 Prep Week 

2 September 2020 - The SSR2 Review Team will host a webinar during ICANN69 Prep Week to provide an update on the status of its work and recommendations as it prepares to submit its final report to the ICANN Board. 

Date: 7 October 2020

Time: 15:00 UTC

Participation details: See here.

An Update from the SSR2 Review Team

1 June 2020 -  Along with the rest of the world, the COVID-19 pandemic has disrupted our work. While we are making progress in virtual sessions, the inability to meet face-to-face as planned in March and May 2020 has impacted our timeline. We expect to complete our review and submit our final report to the ICANN Board in October 2020. Read the full blog here.

Public Comment Period Extended

2 March 2020 - The deadline to submit comments on the Second Security, Stability, and Resiliency (SSR2) Review Team draft report has been extended until Friday 20 March at 23:59 UTC. Access the public comment proceeding here.

Join the Webinar on the SSR2 Draft Report

4 February 2020 - During the webinar the SSR2 Review Team will present an overview of the key findings and recommendations in its draft report. Participants will have an opportunity to share feedback and ask questions. The draft report is available for Public Comment until 04 March 2020 @ 23:59 UTC.

  • Session 1 | 10 February @ 21:30 UTC 
  • Session 2 | 13 February @ 10:00 UTC

Visit the wiki page for more information: https://community.icann.org/x/ZhCJBw

SSR2 Review Team Draft Report for Public Comment

24 January 2020 - The SSR2 Review Team has published its draft report for public comment. Close date: 4 March 2020 at 23:59 UTC. View the public comment proceeding here: https://www.icann.org/public-comments/ssr2-rt-draft-report-2020-01-24-en

SSR2 Draft Recommendations: Engagement Session with the Community @ ICANN66, Montreal 

2 November 2019 - The SSR2 Review Team presented draft recommendations during this community engagement session. View the meeting archive here: https://66.schedule.icann.org/meetings/1116775

SSR2 Updated Work Plan

25 September 2019 - The SSR2 Review Team has updated its work plan. The team plans to publish its draft report for public comment in February 2020. View the work plan here.

SSR2 Face-to-Face Meeting at ICANN65 in Marrakech

The SSR2 Review Team will have a face-to-face meeting on 22nd & 23rd June 2019 at ICANN65 in Marrakech. Meeting information, including the agenda, is available here.

SSR2 Review Team Activity at ICANN64 in Kobe

  • 8th, 9th and 14th March 2019 | Face-to-face meeting | More details here.
  • 11th March 2019 | Engagement Session with the Community | More details here.  

Read the SSR2 Review Team Update Blog

13 February 2019 - The second SecurityStability, and Resiliency (SSR2) Review Team recently met for three days in Los Angeles. During the meeting, we completed our assessment of ICANN's implementation of SSR1 recommendations from 2012, and we detailed the scope items for our remaining areas of focus, as guided by ICANN's Bylaws. Read more.

SSR2 Review Team Will Meet Face-to-Face on 25 - 27 January 2019

Observers are welcome to remotely join the SSR2 Review Team's upcoming face-to-face meeting in Los Angeles. The meeting agenda and details are available here. If you would like to observe the meeting, click here to learn how.  

SSR2 Review Team Approves Work Plan

13 November 2018 -  The Team developed and approved this work plan to guide its work, which focuses on key areas for information gathering, review, discussion, decision-making and related milestones to be achieved during the review process. As was the case for other review teams, this work plan is expected to evolve with the Team's work and will be updated, if needed, as the work progresses. 

SSR2 Review Team: Seven Highlights from Our Meeting at ICANN63

12 November 2018 - The SSR2 Review Team has continued to make significant progress since restarting our work in June 2018. We held our most recent face-to-face meeting over two days at ICANN63 in Barcelona, Spain. While there, we also held a public outreach session and met with various ICANN groups. Read the blog here for seven highlights from our productive few days.

SSR2 Review Team at ICANN63, Barcelona: Meeting archive available - 21 & 24 October - SSR2 Review Team Face-to-Face Meeting

SSR2 Review Team Re-Starts, On-Boards New Members, Updates Terms of Reference

5 September 2018 - The ICANN SecurityStability, and Resiliency of the Domain Name System Review Team (SSR2) reconvened after being paused since October 2017 and held an in-person meeting from 22-24 August. The review team has on-boarded new members, selected leadership, reviewed completed work to date, and updated its scope/terms of reference. We also are refreshing our workplan and outreach plan, and moving forward with our substantive work. Read the blog here.

SSR2 Review Restarts

7 June 2018 - Today the Internet Corporation for Assigned Names and Numbers (ICANN) organization announces the formal restart of the Second Review of the SecurityStability, and Resiliency of the Domain Name System (SSR2). Learn more.

Catch Up With SSR2 Review Team Sessions at ICANN60

1 November 2017 - Click the links below to find details of each of the sessions, including links to recordings: 

SSR2 Review Team Face-to-Face Meeting (27 October & 3 November)

ICANN60 Engagement Sessions 

EXTENSION: SSR2 Review Team is Seeking an Independent Expert to Perform a Gap Analysis

27 October 2017 - In collaboration with the second Security, Stability, and Resiliency of the Domain Name System (SSR2) Review Team, the Internet Corporation for Assigned Names and Numbers ("ICANN") is seeking an independent expert to perform a gap analysis of the first SSR Review recommendations. Read the specifications for Gap Analysis or learn more.

Read the ICANN SSR Subgroup Summary of its Face-to-Face Meeting in Los Angeles

18 October 2017 - The ICANN SSR Subgroup had a very productive two-day, fact-finding meeting at ICANN headquarters in Los Angeles. The subgroup met with a number of ICANN staff subject matter experts and discussed a range of issues relating to the completeness and effectiveness of ICANN’s security processes and the effectiveness of the ICANN security framework (including activities connected to the SSR2 Terms of Reference and implementation of SSR1 recommendations). Learn more.

n Update from the Second Security, Stability and Resiliency of the Domain Name System (DNS) Review Team (SSR2)

19 Jul 2017 - The SSR2 review team recently held a two-day face-to-face meeting in Johannesburg, South Africa, prior to ICANN59. The review team is examining security, operational stability, and resiliency matters related to ICANN's coordination of the Internet's system of unique identifiers. Here, review team member Alain Aina explains why the SSR2 Review is important and shares some highlights from the recent meeting. Learn more.

SSR2 June Progress Update 

20 June 2017 - The Second Security, Stability and Resiliency of the Domain Name System Review Team, also referred to as “SSR2-RT”, is reviewing security, operational stability and resiliency matters relating to ICANN’s coordination of the Internet's system of unique identifiers. (Our mandate can be found in ICANN’s Bylaws). Learn more

A Conversation with Members of the Second Security, Stability and Resiliency of the Domain Name System (DNS) Review Team (SSR2)

26 May 2017 - The SSR2 Review Team is currently reviewing security, operational stability and resiliency matters related to ICANN's coordination of the Internet's system of unique identifiers, and recently held its second face-to-face meeting in Madrid, Spain. Here, in their individual capacities, Review Team members James Gannon and Kerry-Ann Barrett share their highlights and key takeaways from the meeting. Learn more.

Security, Stability and Resiliency of the Domain Name System (DNS) Review Team (SSR2): Follow Our Progress

26 Apr 2017 - On behalf of the SSR2 Review Team we'd like to update you on our work so far and tell you how you can get involved. Learn more.

Second Security, Stability, and Resiliency of the DNS (SSR2) Review Team Announces Leadership

30 March 2017 – The Second Security, Stability and Resiliency of the DNS (SSR2) Review Team is pleased to announce its leadership selections. Learn more.

Selection of the Second Security, Stability, and Resiliency of the DNS (SSR2) Review Team Members Announced

14 Feb 2017 - ICANN announced the selection of a 16-member team to conduct the second review on the security, stability and resiliency of the DNS (SSR2). Learn more

Appointment of Board Designees for New Specific Reviews: Second Security, Stability, and Resiliency of the Domain Name System

 03 Feb 2017 -  SSR2 ICANN Board Resolution. Learn more.

Application Extended for the Second Security, Stability and Resiliency (SSR-2) Review Team

12 Aug 2016 - Today, ICANN announced an extension of the application deadline for participation in the community-based team that will review the security, stability, and resiliency of the DNS. Learn more.

Call for Volunteers for the Second Security, Stability, and Resiliency of the DNS (SSR2) Review Team

30 Jun 2016 - As part of its existing Affirmation of Commitments (AoC) requirements, ICANN is seeking volunteers to serve on the Second Security, Stability, and Resiliency of the DNS Review Team (SSR2-RT). Learn more.

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