Diagram 1



 

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Case Study (Introduction)

Introduction to WhatsApp hacked in may 2019  One of the most widely used messaging services, WhatsApp, suffered a serious security breach in May 2019 that led to user accounts being hijacked. With over 1.5 billion users at the time and being owned by Facebook, WhatsApp was a popular target for hackers. The hack made use of a flaw in WhatsApp's voice call feature, which let attackers install spyware on customers' handsets. The malicious code was created to take advantage of a weakness in the end-to-end encryption used by the app to make sure that only the sender and recipient can see the content of their communications. WhatsApp addressed the issue almost away and released a patch to shield users from further misuse. Users were also urged to update their apps to the most recent version to make sure they are safe. Reference: Nagar, S., 2019. WhatsApp Hacking–A Wake-up Call for Users.
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