We do pretty much everything on our mobile devices—buy groceries, schedule the bug guy, pay bills, even date. Keeping your information secure is more important than ever. Use these tips to protect yourself against mobile device fraud.
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Turn off the simple passcode feature so you can enter more than a 4-digit passcode.
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Set the Auto Lock feature to require a new passcode after a set period of time, such as five minutes.
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In conjunction with Auto Lock, also set the Require Passcode feature which activates after the display has been idle for a certain period of time or if you press the iPhone Sleep button. You will be required to enter a passcode on wakeup.
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Enable Data Erase by setting the number of failed passcodes that can be entered prior to all data being erased from the phone.
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Set up "Find my iPhone" to help you locate your phone if it gets lost and to remotely wipe information from the iPhone.
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Only connect to networks you trust. To ensure you don't randomly connect to available Wi-Fi networks, set the "Ask to Join Networks" function.
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For applications that contain sensitive data, set a separate passcode (different than any others you are using) for each application.
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Apple's iCloud service offers backup for your Apple devices with iOS5. Once you set the service up, it encrypts your data and backs up daily as long as you are connected to the Internet via Wi-Fi, are connected to a power source and have your screen locked.