In an earlier version of this story, I suggested you simply delete your Yahoo account and move to Gmail, but it appears doing so may open another workaround for hackers. Why you shouldn't delete your Yahoo account At the time of the attack, Yahoo claimed 1 billion accounts had been hacked, but after Verizon took over Yahoo, the company investigated further and discovered that all of its approximately 3 billion accounts were affected.
Yahoo announced Tuesday that every single one of its 3 billion accounts were hacked from a 2013 breach.
The biggest data breach in history just tripled in size.