Archive

LCS 2005 versus OCS 2007

In most enterprises the real time communications and instant messaging (IM) became important communications tools since late 1990's. But in many enterprises the implementation of these systems has taken place in a disorganized fashion.

It has happened because some employees in these enterprises recognized collaborative value of public instant messaging systems and adopted these systems in their organization. But from the view point of business security and integrity, adoption of public instant messaging system within the enterprise is very dangerous, as the public instant messaging systems have been developed with a...

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AD Auditing

Chalk it up to human nature, but all part of the job when you are running servers. Political scientists put it nicely when they ask, "Where and when does who gets what?" Who's logged onto which computer? Which resources are they requesting? Of course, we know there are all sorts of logging and auditing tools lying around. The problem doesn't lie in accessing the information, but rather picking out the useful bits. If you run a high-security environment, for example, you will have to figure out how to track access to specific resources. Essentially, an audit is a...

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How to migrate from Exchange 2003 to 2010

Sometimes all the planning in the world won't do. You know very well that Exchange Server 2003 is simply crumbling away in the face of demands in the late nineties. So you take a look at 2007, and then decide to wait for the first Service Pack, which popped out a little bit sooner than you'd expected. Before you know it 2010 is out, and you've made all these plans for migration.

Fret not: even if you have decided to abandon 2007 altogether, your blueprints will still be...

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BitLocker Drive Encryption

Microsoft Windows 7 has brought many new features in regards to user interaction and system security. One of the core features is BitLocker driver encryption tool that allows users to encrypt all the data in partitions or volumes. BitLocker was first introduced with Windows Vista and Windows Server 2008 and its successful application has made it to be a part of latest Microsoft operating system i.e. Windows 7. The BitLocker in Windows 7, however, has a new addition as it enables users to encrypt the removable drives as well. BitLocker encryption uses three authentication mechanisms for the...

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