If you use WhatsApp regularly, a brand-new security feature has just been released that fundamentally changes how your privacy and personal data are protected online.
Historically, sharing your WhatsApp details meant giving out your actual mobile phone number. Because your mobile number is often linked to sensitive personal accounts—such as online banking, email logins, and government services—handing it over to strangers, new acquaintances, or online sellers carried inherent security risks. Once cold callers, spammers, or fraud syndicates got hold of your number, your handset could easily be bombarded with unwanted calls and phishing texts.
WhatsApp's latest update fixes this major flaw by introducing usernames and an optional security PIN system, removing the need to share your primary phone number ever again.
Key Features Explained
Custom Usernames: Instead of revealing your personal mobile number, you can now create a unique username to share with people you wish to connect with on WhatsApp. Anyone who has your username can message or call you on the app, while your real phone number remains completely hidden.
Easy Username Management: Unlike a phone number—which is difficult and inconvenient to change if compromised—you can update or edit your WhatsApp username at any time if you want to block unwanted contact.
PIN Protection ("Contact Me by Username"): For an additional layer of crime prevention, you can restrict who can initiate a conversation using your username by enabling a PIN. Even if a scammer discovers your username, they will be unable to contact you unless you have provided them with this specific security PIN.
Step-by-Step Setup Guide
Open WhatsApp on your smartphone.
Tap the three dots in the top right-hand corner (or go to your app options) and select Settings.
Tap on Account, then look for the new Username option.
Select Create Username, choose a unique and memorable name, and check its availability. Once selected, save it to reserve your handle.
To restrict unknown contacts further, tap Contact Me by Username and select People who know my key.
WhatsApp will generate a secure PIN code. Share this PIN alongside your username only with people you explicitly wish to permit to contact you. You can review or change this PIN in your Settings whenever needed.
Security, Privacy & Crime Prevention Advice
Minimise Phone Number Exposure: Your main mobile number is key identity data. Keep it strictly private and restrict its use to trusted institutions (like your bank or healthcare providers). Use your WhatsApp username for day-to-day networking, online marketplaces, and new acquaintances.
Enable Two-Step Verification: In addition to setting up a username PIN, ensure you have enabled WhatsApp’s built-in Two-Step Verification (found under Settings > Account > Two-step verification). This prevents account takeover attacks if someone attempts to register your phone number on another device.
Watch Out for Phishing & Impersonation Scams: Scammers frequently use WhatsApp for "Hi Mum/Dad" impersonation frauds or malicious link sharing. Never share security PINs or verification codes with anyone, even if they claim to be from WhatsApp support or a family member in distress.
Keep the App Updated: Cyber threats evolve constantly. Always update WhatsApp via the official Google Play Store or Apple App Store to ensure you have the latest security patches and privacy features.
By taking a couple of minutes to set up your username and security PIN today, you significantly reduce your risk of targeted spam, identity theft, and messaging scams.
Source: The Phone Guardian
