[Updated 1/28/2015, 9:21 p.m.] The patching was completed successfully and all affected environments are back online with the exception of Cascade DEV.  Cascade DEV will remain unavailable until our refresh tomorrow.

[Original] In order to apply an emergency security patch, ALL PeopleSoft DEV and TST environments, as well as Cascade DEV and TST, will be unavailable tonight, January 28, from 6 to 10 p.m.  An update will be posted once service has been restored.

Please note this outage will NOT affect the production systems which will remain available to end users as usual.