In February, a number of prominent Jews who had expressed anguish over Hamas’ Oct. 7 massacre had their personal information outed by pro-Palestinian activists in a doxxing incident that stunned the country. The “Zio600” list was meant to isolate “Zionists,” ostensibly in retribution for threats to the careers of Israel’s critics.

“This happened in Australia, lovely, innocent, innocent, bloody innocent Australia,” said Geoff Sirmai, a writer, actor and PR professional — and a child of a Hungarian survivor — who was on the doxxing list.