Movistar  advise customers to change Wi-Fi passwords following a hack of their server.  See link below:

https://www.canarianweekly.com/posts/Tel...yberattack

And the email they are sending out:


[color=#000000][size=large][font=sans-serif]Movistar, we work permanently so that your relationship with us is as transparent as possible and thus earn your trust day by day.  That is why we want you to be aware of relevant info