Look out for scammers on online second-hand platforms
Avoid fraud when you buy or sell something using a second-hand platform online.
Help! Your own e-mail address shows up as the sender
Do you sometimes receive e-mails that seem to be coming from your own mailbox?
I am getting a lot of spam and phishing e-mails in my inbox
Avoid your e-mail address ending up on a list used by spammers or phishers
I am getting a lot of spam in my inbox
What can you do to reduce spam?
I receive a call from an unknown person about a problem with my PC
I receive a call from scammers pretending to be technicians from a computer company
My account has been hacked
How do I gain access to my account again? What can I do to make my account more secure?
My device is being used for cryptojacking
I lost my smartphone or tablet
Help! My device has been taken over
My device has been taken over by a virus that is asking for a ransom!
I am being blackmailed: sextortion
Someone claims to have sexual images of me