They may try to steal your passwords, account numbers, or Social Security numbers. If they get that information, they could gain access to your email, bank, or other accounts.

What can someone do if they have your email and phone number?

With your phone number, a hacker can start hijacking your accounts one by one by having a password reset sent to your phone. They can trick automated systems — like your bank — into thinking theyre you when you call customer service.

What are the dangers of giving out your phone number?

Some of this information may seem innocent enough, but in the wrong hands, it can expose you to criminal activity. Hackers, identity thieves, and scammers can use your phone number to find out where you are (and where youll be), impersonate you, hijack your phone, or use your accounts.

Can someone hack you if they have your phone number?

Access. Once hackers gain control of a phone number, they can then access their online profiles – on Facebook, Twitter, Gmail and WhatsApp – which are all usually linked to the mobile number. All they need to do is ask the social media companies to send a temporary login code, via text message, to the victims phone.