Following the Bondi Beach terror attack, school holiday visits to the pool or movies are no longer an option for Jewish children, a witness has told the Royal Commission on Antisemitism and Social Cohesion.

Foster noted "warning signs that Holocaust survivors, and indeed the Jewish community, recognize because they have seen where such patterns can lead if they're left unchallenged."

Jewish children in Australia are growing up believing a strong security presence is normal, community leaders have told the antisemitism royal commission.