The hack began with a spear-phishing email sent in early 2014 to a Yahoo company employee. It’s unclear how many employees were targeted and how many emails were sent, but it only takes one person to click on a link, and it happened.
Once Aleksey Belan, a Latvian hacker hired by the Russian agents, started poking around the network, he looked for two prizes: Yahoo’s user database and the Account Management Tool, which is used to edit the database. He soon found them.
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