Avalara Data Breach History
WebsiteAvalara makes tax compliance faster, easier, more accurate, reliable, and valuable for 41,000+ business and government customers in over 75 countries. Tax compliance automation software solutions from Avalara leverage 1,400+ signed partner integrations across leading ecommerce, ERP, and other billing systems to power tax calculations, document management, tax return filing, and tax content access. Visit avalara.com to improve your compliance journey.
This page shows all data breaches of Avalara. View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.
Data Breach Timeline — All Avalara Breaches
- 2025 2025 — "On August 27, 2025, we identified a security issue… Unknown records Share
Avalara Data Breach Summary
This page tracks the Avalara data breach history and cybersecurity incidents affecting Avalara (United States). BreachHistory currently indexes 1 publicly disclosed or catalogued incident spanning 2025, with approximately an unknown number of records reported as exposed across all indexed events. These totals may include overlapping datasets or third-party estimates and should not be interpreted as unique affected users.
The Avalara breach timeline includes major data breaches, cyber attacks, data leaks, credential exposures, API abuse, and other security incidents. Each incident provides details on the estimated records exposed, attack method, affected data types, and supporting public sources. Currently, 0 incidents are company-confirmed.
Largest Avalara Data Breaches
Indexed Avalara incidents are listed below. Where a public count is unavailable, the catalog shows unknown records exposed. Open each page for attack method, data types, and sources.
- 2025 2025 — "On August 27, 2025, we identified a security issue… — about Unknown records exposed · Catalogued incident
What Information Was Exposed?
Depending on the incident, exposed data may include email addresses, passwords, phone numbers, names, profile information, account identifiers, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.
Avalara Data Breach 2026
At the time of this update, no Avalara data breach has been catalogued for 2026. New incidents are added as official disclosures, regulatory filings, or credible cybersecurity reports become available.
What To Do If You Were Affected
If you believe your account may have been involved in a Avalara data breach, change any reused passwords, enable multi-factor authentication (MFA), monitor your account for suspicious activity, and be cautious of phishing emails or fake breach notifications.
This Avalara breach history is maintained by BreachHistory using public disclosures, regulatory filings, security research, and clearly labelled third-party claims. For the complete breach timeline, records exposed, incident details, and AI Breach Risk Score, explore the sections on this page.