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Showing posts from October, 2012

Preventing the HIE Cloud from Raining Data

The HIE of yesterday was based on legacy connections across private networks (VPN mostly). Access may have been over the Internet with just a user ID and a password. While this seems little security, it is generally pretty good so long as your password policy is strong and your users understand the basics of passwords (no sticky notes on the monitor).
That type of HIE had a centralized security model. Now, I welcome you to the modern HIE, connected by either web services and secure email. This decentralized or federated security model is not something healthcare is used to dealing with. There are two major issues that need to be addressed: What is the security policy of the system that actually authenticated the user Is the system that authenticated the user, actually the system I think it is. Suppose you have users connected via web services for cross domain data sharing (XDS) by which they can pull clinical data into their system or viewer. Or suppose you just have single signon (S…