Blog: security, scams, and phone spam
Content from the NoCall team to understand real threats, spot patterns, and make informed decisions.
Vishing: voice scams impersonating your bank and the tax authority
Vishing uses calls that look legitimate to steal your money and data. We explain the most common scripts and the golden rules to avoid falling for them.
Phone spam trends in Spain 2026: what to watch out for
AI voice cloning, parcel and banking smishing, neighbor spoofing and wangiri define the year. We review the call and SMS threats worth watching in 2026.
Caller ID spoofing: why the number you see may be fake
Spoofing lets the number on your screen be faked to impersonate your bank or an official body. We explain why it happens and how to protect yourself.
Smishing: SMS scams and how to spot them in time
Smishing uses fake texts from the post office, your bank or the tax authority to steal your data and money. Learn to recognise the signs and protect yourself.
What to do if you've already given your details in a phone scam
If you've just given out details or money in a fraudulent call, there's still time to limit the damage. We explain the urgent steps, in order and without scaremongering.
International prefixes in calls and texts: when to be wary
Learn to read a number's prefix, identify which country a call or text comes from and why you should never return an international missed call.
Prefixes 803, 806, 807 and 905: why they cost so much
We explain which premium-rate prefixes cost money in Spain, why scammers use them and how to avoid surprise charges on your phone.
Calls that ring once and hang up: the wangiri scam
You get a missed call from an odd number and you're tempted to return it. We explain what wangiri fraud is and why you should never do it.
Robinson List or app blocking: which suits you
The Robinson List and app blocking fight nuisance calls in different ways. We explain how they differ and why it pays to use both.
The fake tech support scam: Microsoft, Apple and your provider
They call you, or a warning appears saying your computer is infected. We explain how the fake tech support scam works and how not to fall for it.
"I'm calling from your electricity company": the fake supplier scam
Learn to recognise calls from fake energy salespeople who ask for your CUPS and IBAN, and find out how to verify them and protect yourself from this fraud.
"You've won a prize": fake prizes and trick surveys over the phone
The surprise-prize hook and trick surveys are after your card or your data. Learn to recognise the signs and to cut the call off in time.