How do I Secure my CoinMarketCap app?

Hello there, I'm curious about securing my CoinMarketCap app. I understand that keeping my cryptocurrency investments SAFE is crucial, and I'd like to know what steps I can take to ensure that my CoinMarketCap app is as secure as possible. Are there any specific settings or practices that you recommend? Additionally, are there any common mistakes or vulnerabilities that I should be aware of and avoid? I'd appreciate any guidance you can provide on how to keep my app and my investments secure. Thank you!