This was said by one of the users whose son only accessed other people’s contacts because of this vulnerability. According to Eric, that was the name of this man, his son was able to view the contacts of the former owner of the phone number connected to his WhatsApp account for a long time. “This is a serious breach of privacy,” Eric said.
At the same time, the developers of the messenger are aware of the problem, but admit that they cannot significantly affect the situation, because telecom operators are coming to reuse the phone numbers of old customers and give them to new ones.
“If you don’t want to use a certain phone number with your WhatsApp account, you’d better transfer it to a new number or delete the account in the app,” WhatsApp advised.
The developers of Messenger also reminded the importance of two-factor authentication.
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