Droid-Razr-Locked-Bootloader

One of the new security features in Android 4.4 KitKat is verified boot which is designed to detect persistent rootkits that can hold onto root privileges and compromise a device’s security. However it as a side effect, it could stop the installation of custom ROMs.

fingerprint-scanner

Are biometrics a valid way to perform authentication? One response is that the use of biometric information for security is dubious at best because once your biometric data has been compromised you can’t change it, ever!

Android-4.3-security-features

Android 4.3 Jelly Bean includes a variety of internal changes that make it more difficult for hackers (and the NSA) to exploit security vulnerabilities. Plus Google is rolling out its find-my-phone service and has added a malware scanner to the Google Play Services.