Here's some tips to reduce the chance of your online data being compromised:
1. Download Cobo wallet from Play Store, Apple App Store or from cobo.com/download ONLY.
2. Handle your information with care. Never share your data on places you're uncertain of.
3. Avoid click on any suspicious links or downloading suspicious applications. You can also use your phone security manager to scan for viruses and other issues.
4. Monitor your online data. Highly recommend that you check your online data at https://haveibeenpwned.com/ every once in a while.
5. Activate 2FA with Google Authenticator and turn on all validation for sending payment.