![]() ![]() GSM was first deployed in the early 1990s, making it almost twenty years old! This venerable communications standard has held up surprisingly well, considering how quickly standards and protocols become obsolete in the fast-moving world of technology. SMS (text) messages are part of the GSM telecommunications standard. ![]() We all know the drill: Punch in your mobile number, wait a few seconds, type in the six-digit authentication code and away you go.īut did you know that the system which delivers those codes is shockingly insecure? When you make an account using your phone number, or add your number to set up two-factor authentication, you get a text with a verification code. SMS security issues There’s a hole in my two-factor, dear Liza, dear Liza… But there are some crucial risks and dangers you need to be aware of before tying your phone number to your online identity. We get plenty of benefits from this arrangement: convenience, simplicity, and - supposedly - security. Many aspects of our digital lives now hinge on our mobile phone numbers. Here’s the problem: phone numbers were never meant to be anything more than user identifiers for the telephone network. Consider how many apps you have that now require you to ‘level up’ your security using SMS-based two-factor authentication. Have you ever noticed how closely your phone number is tied to your identity these days? We use our numbers to swap contact details, talk and text, and confirm and authenticate who we are online. The dangers of phone numbers in the digital age ![]()
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