Windows add air and light to a home, which can make properly securing them a difficult prospect—most of the methods that provide the highest level of security would interfere with one or both of those ...

Workers are installing security bars on a window at the Louvre Museum. This is the same window used in a dramatic heist in October.

The Louvre installed bars over the window of its Apollo Gallery, where thieves entered in October. It's one of many new ...