Instant message lockdown
Agencies grapple with control issues as users increasingly flock to IM
By Terry Sweeney
July 25, 2005

Few people are flattered when you call them paranoid or controlling. But in information technology circles, these traits are positive. We can thank viruses, hackers and spammers for that.

E-mail has been the path for most of those unwelcome visitors. Experience has shown that controls such as content filtering, user authentication and acceptable-use policies aren't just nice to have, they're essential.