Health data of more than 9.5 million people leaked from Aesto record system The healthcare data company Aesto informed federal regulators this week that more than 9.5 million people had sensitive information leaked during a cyberattack last December. Aesto zdravotnictví US tg: incident tp: únik dat 2. 9. 2026 19:15 · The Record · Health data of more than 9.5 million people leaked from Aesto record system