Enterprise email and IM security journal

• Deflecting e-mail spoofing
• 10 tips in 10 minutes: Phishing exposed
• Keep attackers from phishing in your waters

In the wrong hands, IM and P2P file sharing can be too much of a risk for your organization. There are many ways to block this traffic, but some are more elegant -- with fewer adverse effects -- than others. Contributor Serdar Yegulalp details the process in this step-by-step guide.

• E-Policy Best Practices: A Business Guide to Compliant and Secure Internet, Instant Messaging, Peer-to-Peer and Email Communications
• Scanning and removing worms received via IM messaging
• Should I implement Web and IM filters?

This compilation of our favorite Exchange Server security best practices, tips and tools will improve your fundamental understanding of common email security threats -- viruses, spam and phishing -- and teach you how to prevent and troubleshoot them.

• SearchExchange.com E-mail Security Webcast Series: Locking down Exchange Server
• Top 10 Exchange tips of 2005

Microsoft's new Office 2003 Service Pack 2 adds functionality to Outlook 2003's Junk Email Filter to help protect against phishing scams. Find out how it works.

• Are out-of-office messages a security hazard?
• Microsoft Outlook security workaround for administrators and developers

If you don't want to have your email messages read by just anyone, you should probably encrypt them. Brien Posey also explains when to use digital certificates and digital signing.

• Disabling file transfer in MSN Messenger
• Microsoft Rights Management Services: An introduction

In this learning guide from the editors of SearchWindowsSecurity.com, you'll find a healthy collection of tips, expert Q & A's, webcasts, downloads and more that will ensure that you are properly prepared to handle all of your patch management issues.

• Proper patching procedures for front-end/back-end Exchange Server setups
• Deploying WSUS for Exchange patch management