Open Source Monitoring (OSM) is becoming more of a necessity in today's electronic market. Today one person can broadcast messages to millions of people using the Internet and adversely represent the company he or she works for. These messages may contain information, which could be used to exploit the security of a corporate network or give away valuable information about a company. Open Source Monitoring can help companies solve and rectify problems before they become a more serious threat. During this briefing you will obtain information on what OSM is and is not, methodologies, different types of examples for OSM and the pros and cons of outsourcing OSM.