Twitter said Thursday that the cyberattack that took down big parts of its site earlier this month was caused by hackers manipulating employees over a more old-school method: the phone.
Hackers called a “small number” of employees in a phone spearphishing scheme, Twitter tweeted from its support account. Phishing attacks are designed to fool people into thinking the sender or caller is safe by imitating a company or trusted person. The attackers were able to get access to some internal tools from the initial employees they targeted and then learn specifically who had access to account support controls and targeted them next.
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Twitter says spear-phishing attack on employees led to breach
Twitter Inc , whose internal systems were breached about two weeks ago, said on Thursday the incident targeted a small number of employees through a phone “spear-phishing” attack.