that ask for contact information

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It’s harder to replicate your WhatsApp account if your profile picture isn’t public. Tap the three-dot menu, Account, and Privacy. Under “Profile Picture ,” leave the “My Contacts” option to ensure that only people in your contact list can easily access your profile picture .
Hide your phone number. There are social networks, such as Facebook, that allow you to share your phone number. There are also poland mobile database who, for work reasons, put their number on their profiles on Instagram and other networks. Sharing your phone number makes it easier to set up scams like this one , which only require personal information from the victims. Likewise, if you participate in public WhatsApp groups, be aware that the risk of attacks is higher.
Beware of apps . Many apps may request access to contact information on your phone. Most of these requests are legitimate and actually necessary for some apps to work, but be wary of apps that link your contacts to online functions . Some of these apps, especially for Android, are installed outside of the Google Play Store.
Secure the account that stores your contacts. Your phone contacts are usually tied to your Google account or Apple ID, but you can also sync contacts with other services, such as Microsoft Outlook. Whatever account you use to manage your phone contacts, it should also be secured with two-step verification . If your account is accessed by criminals, they can download your contacts and try to scam you by impersonating you.