Clicked a suspicious link but entered nothing? How to assess the risk
Learn to distinguish opening a page from a download, permission grant, or data submission, and what to check safely.
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Checklists for leaks, intrusions, lost cell phones, fraudulent payments and other incidents.
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I found a Pix Automático charge I don't recognize: how to check the authorization, cancel future debits, and request a refund
Learn how to identify the Pix Automático authorization, stop future charges, and choose the correct refund path depending on whether the case involves fraud or a bank error.
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Phone suddenly lost signal? How to tell a carrier outage from SIM swap and what to do first
A sudden loss of calls, SMS and mobile data may be a routine outage or a hijacked line. See what signs to compare, what to confirm with your carrier and how to act quickly.
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Stolen or lost cell phone: what is the right order to block the device, line, banks and accounts?
Lost or had your cell phone stolen? See the practical order to lock the device, block lines and banks, protect accounts and take action if there has already been movement.
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