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Email and Instant Messaging Security

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  • Opinion: Firms can’t or won’t address social networking security risks

    It's a common refrain: Even companies that are aware of social networking security risks don't do anything about them. 

  • How to protect different enterprise channels of communication

    Organizations have plenty of ways to communicate and transfer information. In this series of tips, Michael Cobb reviews how to secure four common outlets that can be easily taken advantage of by data thieves and malicious hackers. 

  • Information Security Learning Guides

    A repository of our Learning Guides. 

  • Securing VoIP Networks: Threats, Vulnerabilities and Countermeasures

    In an excerpt from the book Securing VoIP Networks: Threats, Vulnerabilities and Countermeasures, authors Peter Thermos and Ari Takanen discuss the strengths and weaknesses of SRTP. 

  • Information Security Quizzes

    Test your knowledge of everything security, from network security to regulatory compliance, with our collection of quizzes. 

  • RSA Conference 2006

    Can't make it to RSA 2006? Check out our continuous coverage from the show floor. 

  • VoIP Security Learning Guide

    More organizations are choosing to implement VoIP telephony for its cost savings. However, securing the technology comes with its own price tag. This guide is a compilation of resources that review the importance of VoIP security, protocols and stand... 

  • VoIP protocols: A technical guide

    This guide reviews the two main protocols that power VoIP -- Session Initiation Protocol (SIP) and H.323 -- and their known vulnerabilities, as well as how functional protocol testing ("fuzzing") can help defeat such problems. 

About Email and Instant Messaging Security

Stay updated on the latest news, tips and information on email and instant messaging security. Learn how to avoid and defend against email and IM threats, such as spam, malware and Trojans.