It is very difficult to protect data from hackers now a days. If you are worried about data breach and what to know where your data is leaked including your email bad phone number.
You may proceed accordingly as mentioned in trick below :
1. To check if your mail or phone number has been leaked to the network, we will use the haveibeenpwned.com website.
For this you need:
1. Follow the link.
2. Enter a phone number or mail and click "pwned?".
If the green light turns on, then the data is safe, red — the data has leaked. A little below in the section "Breaches you were pwned in" it will be indicated from which site the data was leaked.