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In this demonstration, the attacker is able to decrypt all data that the victim transmits.For an attacker this is easy to accomplish, because our key reinstallation attack is exceptionally devastating against Linux and Android 6.0 or higher.AI, big data, cloud computing, and automation are driving the IT job market in new directions.

As described in the introduction of the research paper, the idea behind a key reinstallation attack can be summarized as follows.

When a client joins a network, it executes the 4-way handshake to negotiate a fresh encryption key.

Therefore, any correct implementation of WPA2 is likely affected.

To prevent the attack, users must update affected products as soon as security updates become available.

For example, an attacker might be able to inject ransomware or other malware into websites.

The weaknesses are in the Wi-Fi standard itself, and not in individual products or implementations.

The attack works against all modern protected Wi-Fi networks.

Depending on the network configuration, it is also possible to inject and manipulate data.

All our attacks against WPA2 use a novel technique called a key reinstallation attack (KRACK): In a key reinstallation attack, the adversary tricks a victim into reinstalling an already-in-use key.

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