Intelligence officials say that Russian actors are actively trying to meddle with the Nov. 5 election by disseminating fake videos meant to question election integrity.

While foreign interference in U.S. elections is not new, officials stressed the unprecedented scale of disinformation this year. Jen Easterly, CISA’s director, confirmed that the agency has activated its election operations center to monitor threats,

Several federal agencies are warning of escalating foreign influence operations aimed at undermining confidence in the upcoming U.S. elections.