The Antisemitism Observatory

Empty municipal security operations room at dawn with unlabeled city maps and anonymous street views displayed across multiple monitors.

The Antisemitism Observatory: The National Security Dimension Is Now Explicit

Manchester’s suspected plot has become a formal terrorism prosecution, Belgian officials have attributed attacks on Jewish sites to an Iran-inspired campaign, and New York has placed antisemitism inside a citywide security and civil-rights strategy. The classifications differ, but none supports a conclusion that antisemitism is broadly declining.

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Three brass styluses record parallel traces on a charcoal paper drum, with one trace suddenly breaking into a sharp irregular signal.

The Signal Is Not the Verdict: What This Week’s Antisemitism Cases Actually Establish

The Antisemitism Observatory’s weekly report from September 21-26, 2026, highlights significant incidents, including a hate-motivated shooting outside a Canadian synagogue, arrests in the UK related to a suspected plot against Jews, and a Holocaust denial conviction in France. The report emphasizes the necessity for nuanced distinctions in antisemitism reporting.

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The Antisemitism Observatory: One Monthly Dip, a Larger Warning

New York recorded fewer anti-Jewish hate crimes in August, but the broader evidence does not establish a decline in antisemitism. Year-to-date cases increased, while developments in France, Britain, and Australia showed continuing violence and security pressures. The Antisemitism Observatory examines what the latest figures reveal—and what they do not.

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