It is evident that according to the technological evolution, many benefits come to light, however, also harms.
A new “virus” was detected capable of stealing banking data from the smartphone device that has the Android operating system.
Named as octo, when infecting the device, it reduces the brightness of the screen and activates the “do not disturb” mode, thus making it difficult to identify.
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According to Thiago Cabral, a specialist in digital security and also the founder of Athena Security, this new threat is just a more developed version of an old malware called ExoCompact. Its function is to grant access to hackers to carry out remote fraud through the Android system. The action was named ODF: on-device fraud.
This malicious software can affect many smartphone commands. Among the main focuses are: blocking, notifications, app push, SMS interception, muting, temporary screen lock, SMS sending, among many others. "Criminals watch your screen while using the device, so it is possible that you see passwords used and see your use of banking applications", he explains.
However, how can I tell if my android device is not infected?
Even if this feature is camouflaged on the cell phone, making it difficult for the user to identify it, hackers use a type of screen overlay black, which makes it possible to decrease the screen brightness and disable all notifications, making the individual think that their device has defect.
If by chance there is a suspicion of being hacked, Thiago Cabral advises the public to turn off the device immediately, if possible leave it like that for a few hours and when you turn it on again you need to perform a formatting factory.
“The main tip is, first, to keep personal data safe in the cloud. Never leave important information stored on the device”, he instructs. Because, when performing this procedure, the hacker will never have access to registered data, such as, for example, passwords and bank information.
“Second, never download apps without checking their ratings and how long the app has been live. Finally, observe the behavior of your device in everyday life. Noticing something strange, format the phone immediately.”
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