(JTA) — The organization that advises U.S. Jewish communities on security matters said it recorded an 80 percent spike in antisemitic acts in the last month amid Israel’s 11-day war with Hamas.

One of the causes, according to the Secure Community Network, was disinformation spread on social media during and since the exchange of rocket fire.

“There may be foreign actors spreading information and disinformation, often tied to antisemitic tropes,” Michael Masters, its CEO, said Tuesday in an interview. “We’re seeing a clear rise in the calls for violence against the Jewish communi...