A app Sync.me é óptima a divulgar informação privada, especialmente dos teus contactos que não deram o seu consentimento.
Uma explicação de como funciona aqui:
https://www.wondercom.pt/2022/07/29/sync-me-no-thanks/Ou, directamente da boca do fabricante,
"Specific Personal Information we collect – We will collect your full name, phone number and email address, payment information, the Google or Microsoft log-in details, information stored on your device phonebook directory (e.g. phone number, email address and name of your contacts), your approximate geolocation (via Wi-Fi or cellular technology in your device, including, country), internet protocol (IP) address and other unique device identifiers and descriptions, and any other information that you will decide to provide/supply us with."
e
"Third parties with whom we share your Personal Information – 3rd party platforms such as for the following purposes:
our affiliated companies and our third party professional service providers, who are allowed to use the information only for the purposes of providing the Service to you,
with our affiliated companies and business partners for performing services for us (e.g. customer service, marketing assistance, technical support, analytics, etc.),
we share your information, including Personal Information, with other users in our community. Your name will be displayed in an incoming call to other users or in a numeric search of your phone number (Caller ID),
Your profile information, including information derived from your social network, will be available to other users in accordance with your private settings,
Your phone number will not be visible to other users, unless it was publicly available or if you decided to share it explicitly,
If you have activated the Sync.ME Search feature then the contact details provided by you (e.g., full names, phone numbers and email addresses) will be processed in our directory and available to other users registered with this same feature, in an incoming call or in a numeric search, and
If you decided to report a phone number as SPAM, it may be included in our public SPAM directory, available to the users in our community.
We may also disclose (or permit their access to) your Personal Information to third party partners via API, mobile carrier, for the purpose of ensuring that the partners' current data is up to date, enriching it and allowing our partners to obtain relevant information for commercial and business opportunities, including, without limitation, to detect spam calls. If you prefer that we do not share your Personal Data publicly on our App, with vendors or business partners, you may opt-out by filling in your relevant details
https://sync.me/unsubscribe."
Cf.
https://sync.me/pt/privacy/