Categories: Technology

Two (or more) privacy and security “tips” that will make life harder for the (very) bad

Today I want to leave you with a few details about privacy and security in WhatsAppand if you know them, that’s great, but if you don’t know them, they can help you. You and the elders, because we need to make it difficult, not limit the scam”Mom, I lost my mobile phone“using calls with Cloned voices.


Figure 3. Go to Privacy -> Calls and there you can block.

calls not coming from contacts in your phone book.

This is an option for older people who want to cheat”Mom, I lost my mobile phone“, it will be difficult for them to do this because they will not be able to call. So if you block it from elders, even better. Let them call only people who are in their contacts.

Figure 4. Blocking calls from “non-contact” users.

There is also an option to prevent calls from people who are not in your contacts, so that you are not added to groups. WhatsApp those who are not in contacts, which allowed automatic unblocking of blocked accounts using an intermediate service, as we had PoC from “Unblock me WhatsApp”

Finally, two simple privacy settings that allow you to know where you are from a link that has been used many times. This was achieved through various methods that I discussed in Blog many times:

In all these cases, you can roughly know where you are, and that is why in the options Privacy -> Moreyou can disable this by hiding the preview and using servers WhatsApp as intermediaries.

Figure 7: Hide your IP address in WhatsApp.


Finally, a couple of notes. If you want to see how an attacker can automate all these scams and attacks, I recommend the video of the talk from (Web)ScrAPitify & Weaponize WhatsApp, and as a second and final point I would like you to WhatsApp (And Telegram) also allow people who are not in your contacts not to send you messages.

Figure 9: (Internet)ScrAPitify and the weaponization of WhatsApp.

And that’s all I wanted to tell you today: a few quick tips on privacy and security, and a reminder on how WhatsApp This is a very effective way to attack people and company employees. Keep this in mind.

Evil hello!

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