Ubuntu Mobile and Embedded (UME) will be out soon, and Linux Magazine Brazil had a preview at Bossa Conference 2008, presented by Adilson Oliveira from Canonical. UME is targeted at connectivity devices, such as UMPCs and MIDs (Mobile Internet Devices), but not at cell phones, as they are "too closed", according to Oliveira.
Korea’s Samsung group is launching an initiative in the business segment this year. Its aim is to close the gap to the group of leading product suppliers in B2B markets.
Navicron from Finland has just announced its Fusion developer platform which gives enterprises the ability to build wireless mobile and embedded devices.
Look here for archived tutorials and talks from USENIX Security '08. Each comprises a video and recorded presentation slides which are shown parallel to the talk.