This document summarizes a workshop on assessing student use of Web 2.0 tools in higher education. The workshop aimed to discuss good practices in Web 2.0 assessment and academic integrity. It included an overview of a research project studying Web 2.0 assessment, a discussion of participants' experiences with Web 2.0 assessment, and an activity to identify principles of good practice. The project has surveyed academics and identified challenges around designing, managing and protecting students in Web 2.0 assessments.