Blog: security, scams, and phone spam
Content from the NoCall team to understand real threats, spot patterns, and make informed decisions.
Who Called Me? How to Check an Unknown Number
Missed a call from a number you do not recognize? Here is how to identify unknown callers safely, without calling back or paying for answers.
How to Block and Filter Spam Texts on Any Phone
From built-in spam filters to reporting tricks, here is how to stop scam texts, fake parcel alerts, and junk messages from reaching you.
How to Block Spam Calls on Android and iPhone
Step-by-step blocking instructions for both major phone platforms, plus the extra layers that keep new spam numbers from reaching you.
The "wrong number" message that ends in an investment scam
A friendly text from an unknown number can be the first step of a long fraud. Learn to recognise the pattern and stop it before money is ever mentioned.
"We can recover your money": the second scam that follows the first
People who have already lost money become priority targets. Here is how recovery fraud works and how to tell real help from a trap.
How they got your phone number, and how to cut down unwanted calls
Your number circulates in more places than you think. These are the usual routes it takes to reach people who should not have it, and what you can do about each one.
What to do during the first hour after a phone scam
If you shared details, opened a link, or sent money, follow this first-hour sequence to contain the damage and create a useful record of the fraud.
How to verify an unknown call or message without putting yourself at risk
Before you call back or tap a link, use this protocol to check who is behind the contact, protect your information, and decide when to block and report it.
Anonymous harassment calls: how to deal with them and report them
You keep getting hidden-number calls meant to disturb or frighten you. Here's how to document them, what your carrier can do, and when and how to go to the police.
How to hide your number when calling from a mobile or landline
You want to withhold your number for one call or for all of them. Here's how to do it — *67, 141, the #31# code and the caller ID setting on iPhone and Android — plus the real limits of calling anonymously.
Secret phone codes that actually work (and what they really do)
Lists of "spy codes" for your phone are full of myths. These are the GSM codes that genuinely work, what each one does, and how to use them to catch call diversions you never set up.
Fake job offers on WhatsApp: the task scam explained
A stranger messages you on WhatsApp offering an easy, well-paid job you never applied for. Here's how the task scam works and how to shut it down in time.