Yahoo! Attack

Hackers first gained access to Yahoo! user account in 2013, but
Yahoo! discovered a breach in late 2014, and it publicly disclosed the 2014 breach in
September 2016.
You must first identify the following from an academic point of view:
• The details of the breach, what went wrong, which assets were attacked, and how,
what was the outcome of the attack, who were the threat actors, impact of the attacks,
etc.:
• Technical aspect of the attack (how the attacker did it, what techniques were used by
the attacker),
• The impacts of the attack or the consequences after the attack
• The immediate actions or reactions of the organization
• The response strategies of the organization took (immediate and long term) before
and after the attack.
• What steps the organization took after the attack such as mitigating process
employed, any proactive defense that the organization took
• Any other protection approaches that the organization employed before or after the
attack