1. Only download apps from official App stores, such as Apple App Store, Google Play Store, Windows Store and Blackberry App World.
3. Always keep your device's operating system updated with the latest upgrades. Older software may have vulnerabilities that could expose you to security and fraud risks.
4. Consider using a reputable brand of anti-virus software on your mobile phone.
5. Do not share or give your app security details, including your passcode, to anyone and never store these on your device.