Blog: security, scams, and phone spam
Content from the NoCall team to understand real threats, spot patterns, and make informed decisions.
Your rights against commercial calls: what Spanish law says
They call you to sell something you never asked for and you want to know if it's legal. We explain what Spanish law allows, when you can say enough, and how to complain if they ignore you.
How to tell if your phone number has leaked (and what to do)
Spam keeps reaching a number you barely give to anyone, and you suspect it is floating around out there. Here is how to check whether your number has leaked and how to stem the flow.
SIM Swapping: How Number Hijacking Works and How to Prevent It
SIM swapping transfers your number to a criminal's SIM so they intercept your bank's verification codes. How the attack works, its warning signs, and the defences that actually stop it.
The "Hi Mum" WhatsApp Scam and How to Stop It Cold
An unknown number claims to be your child with a broken phone and an urgent payment. The anatomy of the family-emergency message scam, its red flags, and the verification that never fails.
Caller ID Spoofing: Why a Familiar Number Proves Nothing
Any caller can forge the number on your screen — your bank's, an official body, a local-looking number. How spoofing works and the one verification habit that defeats every variant.
AI Voice Clone Scams in Spain: When a Family Emergency Call Is Faked
A sobbing call from your child in Madrid — an arrest, a crash, money needed tonight by Bizum. How AI voice cloning powers the scam, and how English-speaking residents can stop it.
Wangiri: The One-Ring Callback Scam Explained
One ring from an unknown international number — and a premium-rate trap waiting if you call back. How wangiri works and how to stay safe.
How to Report Spam Calls and Texts
Where to report nuisance calls and scam messages — your carrier, your phone's built-in tools, and your country's official fraud channels.
The Most Common Phone Scams Right Now
Bank impostors, fake deliveries, prize wins, and one-ring callbacks: an overview of the phone scams circulating today and how to beat each one.
Fake Prize and Lottery Win Calls and Messages
You won a lottery you never entered — but first pay the fees. Inside the prize-scam playbook and the rules that expose every version.
Fake Parcel Delivery Texts: How the Scam Works
A deep dive into fake courier messages — the held-parcel lure, the convincing phishing pages, and how to check real deliveries safely.
The Fake Bank Security Call: Script, Red Flags, Action
How scammers impersonate your bank's security team with spoofed numbers and stolen details, and the exact steps that stop them cold.