Before investing your money in any product first, you need to learn how to safeguard those investments. Similarly, there are many options for you to keep your coins safely so you need search this forum and learn.
You can store your coins in a paper wallet or hardware wallet or in a desktop wallet and protect your PC from licensed version antivirus software. Finally keep your seeds and private keys safely.
We can make sure the safety of our investment but not really 100% in my opinion. For you to be sure you need to know how that company run and work. Also you can keep your coins on wallet to protect it. And also you should know what information you should not share or let others know. Even though, that person is important to you.