Beware of tabnabbing, a fearsome new form of online scam


Beware of tabnabbing, a technique that changes the content of some of your tabs without you noticing. — Photography Giulio Fornasar/Getty Images/AFP Relaxnews

A particularly insidious online scam has cybersecurity experts and the authorities worried. It involves changing the content of an inactive tab in your web browser. Like any other form of phishing, the aim is to steal confidential data.

The term tabnabbing is a contraction of "tab” and "nabbing.” This scam consists of replacing the content of an inactive tab with a fake login page imitating a legitimate site, such as an email service, a banking platform or a shopping site. When users return to this tab, they are prompted to enter their login details, believing they are on a genuine site. This technique is akin to phishing, since it involves taking on the appearance of an official site in order to steal sensitive data (identity, passwords, bank details).

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