People search MYOB data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 1 MYOB-linked incident, with headline counts up to 220 in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why MYOB breach history matters
MYOB operates in Finance (Australia). Across indexed rows, recurring themes include mixed intrusion and disclosure events. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2019 — payroll summary mis-delivery (~220 payment summaries)
Cataloged incident. Australian trade press summarized a MYOB incident in which roughly 220 year-end payment summaries were emailed to incorrect recipients owing to a system defect during rollout of income-statement features. MYOB apologized, notified regulators, and offered remediation; the event is often categorized as a mis-directed communications privacy failure rather than an external intrusion. Exposed categories include Payment summary / tax-statement data for affected employees. BreachHistory cites approximately 220 affected records in this row. See the myob-payslip2019 and canonical BreachHistory entry.
Patterns and analysis
- Mixed intrusion and disclosure events — appears across multiple MYOB catalog entries; prioritize controls that address this class of failure.
- Record-count hygiene — BreachHistory indexes actor-cited figures separately from company-confirmed totals; read each row's technicalWriteup before treating counts as fact.
- 2026 monitoring — New disclosures roll into this timeline as they are verified or labeled unverified per catalog policy.
What to do if you may be affected
- Step 1: Enable phishing-resistant MFA on every account tied to this brand.
- Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
- Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
- Step 4: Bookmark the MYOB company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/myob · Latest: myob-payslip2019.
Sources: BreachHistory catalog (1 row for MYOB), company and regulator disclosures cited in individual breach records.