Politico reports:

A wide-ranging disinformation campaign aimed at Democratic 2020 candidates is already underway on social media, with signs that foreign state actors are driving at least some of the activity.

The main targets appear to be Sens. Kamala Harris (D-Calif.), Elizabeth Warren (D-Mass.) and Bernie Sanders (I-Vt.), and former Rep. Beto O’Rourke (D-Texas), four of the most prominent announced or prospective candidates for president.

A POLITICO review of recent data extracted from Twitter and from other platforms, as well as interviews with data scientists and digital campaign strategists, suggests that the goal of the coordinated barrage appears to be undermining the nascent candidacies through the dissemination of memes, hashtags, misinformation and distortions of their positions. But the divisive nature of many of the posts also hints at a broader effort to sow discord and chaos within the Democratic presidential primary.

The cyber propaganda — which frequently picks at the rawest, most sensitive issues in public discourse — is being pushed across a variety of platforms and with a more insidious approach than in the 2016 presidential election, when online attacks designed to polarize and mislead voters first surfaced on a massive scale. [Continue reading…]