Another round of security updates were released by Apple a couple of days ago, and clients have been asking if they should update. Yes, yes, please!
The iOS 6.1.3 update fixes a bug that could allow someone to bypass the the passcode (and also adds improvements to Maps in Japan) . The Apple TV 5.2.1 update fixes a number of security issues that are addressed by Apple here. The Hulu interface has also been redesigned so users will see this after the update.