As the use of cell phones becomes more and more everyday, security on mobile devices will become very relevant. Thus, both iOS and Android devices improve their security systems every year in order to safeguard the information of their users, who trust their devices and store passwords, bank numbers, photos, and personal conversations. However, despite the improvements, recent research has shown that there is some vulnerability in information security on Android devices.
The problem would be in Trust Zone, a hardware mechanism implemented in single-core microcontrollers that decomposes the execution environment in memory. This is used to protect any type of information in isolation in the operating system.
However, researchers have shown that this mechanism contains certain flaws that alter security and expose some mobile device passwords, whether they are from websites or from an application or social network.
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This is how it was discovered that passwords could be extracted from phones even though they were encrypted. And if that was not enough, This bug was reported on smartphones ranging from the Samsung Galaxy S8 to S21 generation.
If you are an Android user and have any of the aforementioned devices, we recommend updating to the latest version available, since the developers of the technological giant, Samsung, have already taken action on the matter and have managed to fix this serious problem that was altering the user peace of mind.