From launch to landing: How NASA took control of its HTTPS mission

https security Editor’s note: This is a guest post by Karim Said of NASA. Karim was instrumental in NASA’s successful HTTPS and HSTS migration, and we’re happy to help Karim share the lessons NASA learned from that process.
In 2015, the White House Office of Management and Budget released M-15-13, a “Policy to Require Secure Connections across Federal Websites and Web Services”. The memorandum emphasizes the importance of protecting the privacy and security of the public’s browsing activities on the web, and sets a goal to bring all federal websites and services to a consistent standard of enforcing HTTPS and HSTS.
HTTPS is important for a federal agency like NASA, whose presence on the web is a critical part of achieving our mission of sharing knowledge and information.
But NASA is big!
Moving to full HTTPS deployment for NASA represented a significant challenge. We host well over 3,000 public-facing websites and services across 12 geographically dispersed and managerially distinct centers. Communication across such a diverse workforce is difficult and required the concerted effort of a core team in the Office of the Chief Information Officer (OCIO),
Source: https://managewp.org/articles/15207/from-launch-to-landing-how-nasa-took-control-of-its-https-mission

source https://williechiu40.wordpress.com/2017/05/26/from-launch-to-landing-how-nasa-took-control-of-its-https-mission/