Posted by Stephen Paulger
At around 23:00 UTC (00:00 BST, 18:00 EDT, 16:00 PDT) on April 9th we will be updating our SSL certificate. We anticipate any service disruption to be minimal and to last less than a minute.
This is a precautionary measure in response to the heartbleed bug which has affected many internet services. We have already taken the steps necessary to ensure mbed.org is not affected by this problem.
UPDATE: This work has been completed.
Read the full entry at the mbed blog