2019 — credential stuffing against tax webapp. 2019 Unknown records affected Share on X Data compromisedPersonal, Credentials Technical writeup credential stuffing against tax webapp. Root cause Hacking: Use of stolen creds Referenceshttps://ago.vermont.gov/wp-content/uploads/2019/02/2019-02-22-Intuit-Notice-of-Data-Breach-to-Consumers.pdfhttps://www.darkreading.com/threat-intelligence/turbotax-hit-with-cyberattack-tax-returns-compromised/d/d-id/1333954