Peter “Mudge” Zatko testified before Congress this week about his cybersecurity concerns about Twitter, saying that Twitter is without any internal security, that it does not know what data it has or where, and that Twitter employees could “take over the accounts of all the Senators in this room.” 

ABC News Crime & Terrorism Analyst is with Nikki Medoro to explain why the social media giant could be compromised by teenagers and thieves.

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