As co-chair of the CSET '12 program committee, I'd like to invite everyone in the DETER community to join us Aug 6, 2012 in Seattle, WA, for a full-day workshop focused on experimental cyber security. The format is highly-interactive, with moderated sessions to encourage questions, discussions, and exploration of ideas. Speakers will present research talks on topics ranging from cyber security testbed architecture and technologies, to experimental analysis of BGP routing security, the Tor Network, and Smart Grids.