Volume Two of The Essentials Series: Messaging and Web Security examines new challenges to combating the growing proliferation of online threats that includes spam, phishing, malware and spyware. This expert series includes twenty-seven articles in total, each authored by security veteran Dan Sullivan. The Essentials Series: Messaging and Web Security - Volume II will be especially useful to small and mid-sized organizations that face the same challenges as larger enterprises, but are limited by their level of resources.