# 3 Case study 2: the TalkTalk hack

At around midday on 21 October 2015, the website of TalkTalk – a large telecommunications company and internet service provider – suddenly became unavailable. A holding page, as shown in Figure 3, stated that TalkTalk was having some technical issues and that engineers were working to fix them.

Figure 3 A holding page stating that TalkTalk’s website is unavailable

So what had really happened?

OpenLearn - Learning from major cyber security incidents
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