A Simple WhatsApp Security Flaw Exposed 3.5 Billion Phone Numbers

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WhatsApp’s mass adoption stems in part from how easy it is to find a new contact on the messaging platform: Add someone’s phone number, and WhatsApp instantly shows whether they’re on the service, and often their profile picture and name, too.

Repeat that same trick a few billion times with every possible phone number, it turns out, and the same feature can also serve as a convenient way to obtain the cell number of virtually every WhatsApp user on earth—along with, in many cases, profile photos and…



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A Simple WhatsApp Security Flaw Exposed 3.5 Billion Phone Numbers


WhatsApp’s mass adoption stems in part from how easy it is to find a new contact on the messaging platform: Add someone’s phone number, and WhatsApp instantly shows whether they’re on the service, and often their profile picture and name, too.

Repeat that same trick a few billion times with every possible phone number, it turns out, and the same feature can also serve as a convenient way to obtain the cell number of virtually every WhatsApp user on earth—along with, in many cases, profile photos and…



Source link

Disclaimer

We strive to uphold the highest ethical standards in all of our reporting and coverage. We StartupNews.fyi want to be transparent with our readers about any potential conflicts of interest that may arise in our work. It’s possible that some of the investors we feature may have connections to other businesses, including competitors or companies we write about. However, we want to assure our readers that this will not have any impact on the integrity or impartiality of our reporting. We are committed to delivering accurate, unbiased news and information to our audience, and we will continue to uphold our ethics and principles in all of our work. Thank you for your trust and support.

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