Dear colleagues, The Co-ordinating Attack Response at Internet Scale (CARIS) workshop program committee is extending the deadline for submissions by one week, to 10 April 2015. The call for papers is available from https://www.iab.org/activities/workshops/caris/call-for-papers/. For more information on CARIS, please see https://www.iab.org/activities/workshops/caris/. Best regards, Andrew Sullivan IAB Chair