Facebook, Twitter pledge to defend against foreign intrusion

Facebook and Twitter executives assured Congress on Wednesday that they are aggressively working to root out foreign attempts to sow discord in America, and they pledged to better protect their social networks against manipulation ...

Can tech giants work together against their common enemies?

Facebook, Twitter and Google routinely squabble for users, engineers and advertising money. Yet it makes sense for these tech giants to work together on security threats, elections meddling and other common ills.

Facebook uncovers new global misinformation operations

Facebook has identified and banned hundreds of accounts, groups and pages engaged in misleading political behavior, a far larger discovery than a "sophisticated" effort it reported three weeks ago with great fanfare.

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