You can configure different 2-step verification methods.
Best practice is to use at least two methods for 2-step verification, since mobile device (sms, authenticator app) can be lost.
Step 1
Login to your ISL Online account with your username and password.
Step 2
Enter the verification code you received on your email.
Step 3
Click "Verify" button.
SMS Message
Step 1
Login to your ISL Online account with your username and password.
Step 2
Enter the verification code you received on your mobile phone.
Step 3
Click "Verify" button.
Security Key
Note: For the security key to work, the Windows Hello has to be set up on the computer, otherwise the key will not be detected. More information can be found here: Windows Hello Setup
Step 1
Login to your ISL Online account with your username and password.
Step 2
Insert you security key and follow the instructions on the screen.
Authenticator Application
Step 1
Login to your ISL Online account with your username and password.
Step 2
Check your authenticator application and enter the verification code.
Step 3
Click "Verify" button.