Facebook locks down key data as researchers analyze Russian influence
The social network says it was only available because of a bug.
DefCon event shows how easy it is to hack voting systems
Officials need to rethink their use of digital voting systems.
Senate committee focuses on Facebook in Russia probe
Facebook, Twitter and Google are expected to testify at a November 1st hearing.
Russian Facebook ads reportedly targeted crucial swing states
Key demographics in Michigan and Wisconsin were the focus of some of the promoted posts.
Facebook axed 'tens of thousands' of accounts before German election
Removing fake accounts was part of its effort to promote election integrity.
Russia-linked Facebook ads sought to exploit US social divisions
They support claims this was an official Russian influence campaign.
Facebook moderators were reportedly not prepared to catch Russian ads
They're trained to spot offensive ads or scams, not content influencing public opinion.
Facebook hands Russia-backed ads to election investigators
Robert Mueller wants to know if Russia bought social ads to skew the vote.
Facebook may still not know full extent of Russian ad buys
The company may still have some fake ads online.