Manage app logons and authorizations via the cloud

Both startups and traditional vendors offer access management as a service

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Single sign-on for all apps -- both cloud and on-premises -- is a big reason to go this route. But cost and customization, especially for very large organizations, can be sticking points.

From an IT perspective, Post Holdings, the company behind cereal brands including Fruity Pebbles and Grape-Nuts, recently became a $1 billion, 100-year-old startup.

That's because last year the company was spun off from Ralcorp Holdings and was left, literally, without an IT department. That turned into an opportunity for the newly hired IT team, which was faced with choosing all new applications for 1,300 workers. "We were starting from scratch," says Brian Hofmeister, director of enterprise infrastructure at Post Holdings.

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