What is Samsung Knox Security? Samsung’s mobile security explained


Samsung smartphones, tablets and wearables have a trick up their sleeve in the form of Samsung Knox Security, an exclusive multi-layered security system from Samsung that helps keep your data private.

The problem is that Samsung doesn’t do a great job of emphasizing how impressive the technology is and why it’s important to consumers, but that’s where we come in.

What is Samsung Knox Security?

Samsung Knox is the security included in many Samsung smartphones, tablets and even smartwatches, with the aim of protecting your data from exploits and hackers.

This is done in different ways and depends in part on the Samsung device you are using, as newer devices may use a combination of software and hardware security. The idea is that the layers of protection help isolate your data, making it more difficult for hackers to access.

The basic idea is that it protects your most sensitive data such as passwords, biometrics and payment information, although companies can also use Knox Security to protect the data stored on employees’ phones.

The biggest and most important feature of Knox Security is Knox Vault.

Knox Vault is one of the newer levels of security added to the overall Knox Security Suite, using an isolated operating system and hardware to further separate your information from malicious actors.

Essentially, this means that your smartphone runs a separate operating system in addition to Android, which acts as a separator between apps and your data. Hackers may be able to access the fake operating system, but they shouldn’t be able to penetrate it and access your most private information.

Samsung Galaxy S22 Ultra large OLED display and home screen

What Makes Samsung Knox Security Unique?

What makes Samsung Knox Security so unique is the inclusion of Samsung’s dedicated Knox Vault processor built into the SoC of more recent flagship Samsungs like the Galaxy S21 and Galaxy S22 alongside tablets like the Galaxy Tab S8 series.

This means that even if a vulnerability is found in the Android operating system, hackers will still not be able to access data in your vault storage, as they have to use Samsung’s applets to gain access.

Not only does it provide protection against remote hacking attempts, with the ability to detect physical attacks in the form of laser light or electromagnetic error injection, it will immediately destroy all data on the phone.

In terms of consumer-facing mobile security, you don’t get much more depth than this.

Which Samsung phones offer Knox Security?

The good news is that Samsung has been using Knox in its smartphones, tablets and even smartwatches since 2015.

In fact, according to the Samsung Knox website, there are 428 Samsung devices that offer some sort of Knox protection, ranging from the Galaxy J7 in 2015 to the latest flagships.

However, the version of Knox Security and the features you access will depend on the smartphone, with more advanced security features like Knox Vault being exclusive to recent flagship models like the Samsung Galaxy S21 and S22.

If you want to dive deeper into the details, Samsung has a handy list of all compatible devices, along with the specific Knox functionality on offer.

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