According to reports there is a way to hack into someones WhatsApp account. It can be done without unlocking or knowing user's device password. It makes millions of users vulnerable to, not just hackers, but also non-technical people.
This trick allows anyone surrounds you get control over your WhatsApp account. The attacker only needs a phone number of the target person and access to the target mobile phone for a several seconds. It can be done even if the device is locked.
Actually it is not a bug or vulnerability in WhatsApp, it is just the way WhatsApp is designed and its account setup mechanism works.
After hacking into someones WhatsApp the offender gets the full control over the victim’s WhatsApp account in no time. What is more, it independently works on all mobile platforms, including Android, Windows and Apple’s iOS.
How To Hack Into Someones WhatsApp On Any SmartphoneStep 1. Set up a WhatsApp account on a new mobile phone using the phone number of your target.
Step 2. During the setup process, WhatsApp will call the target’s phone number and will provide a PIN that needs to be entered for the authentication of the account.
Step 3. After you will get access to the victim’s phone, you can just answer the phone call and grab the code with no efforts. Even if the phone is locked, you can receive the phone call to get the secret PIN.
Using this known and simple trick your colleagues can hijack your WhatsApp Account easily.
The situation is even worse on iPhone as it is much more easier to hack into someones WhatsApp on this device. In case the users have configured their iPhones with Siri authentication for the lock screen, because all the contact details are available to access the Siri’s settings, effectively giving everyone access to their phone number without the need for a PIN.
Thus, if you try to steal the account information of WhatsApp, without even having the phone number of the target user, you can just call your number from target’s phone using Siri.
So be extra careful to whom you lend your mobile phone and not to leave it unattended for longer durations with strangers around.