Acting fast limits the damage. There is nothing to be ashamed of: the sooner support knows, the better.
Immediately
Don't enter any more data and close the page.
If an attachment or program was opened: Disconnect the device from the network (turn off Wi-Fi or unplug the cable). Do not switch the device off.
If you entered a password: Change it immediately from another, safe device.
Inform support right away: +43 1 890 37 35 or support@it-tects.at. Outside support hours, use the emergency hotline +43 1 890 37 35 911.
Information that helps support
When did you click or open it?
Which email was it? Don't delete the email.
Did you enter credentials or payment details?
Has anything changed on the device, e.g. messages, slow computer, missing files?