What to do if my account was hacked?

If the data from your 5sim account became accessible to third parties, please, perform the following points:

1. Change the password for 5sim account;
2. Click "Update Key" in the 5sim account settings via "Get apikey";
3. Never use the same emails and password for different websites and for the website https://5sim.net;
4. Check email on hacking https://haveibeenpwned.com/;
5. Check computer on malware availability;
6. Follow the security rules upon working with a proxy/vpn when using api1. With this deprecated api1 the key is transmitted in plain view in the URL.