People search Panera Bread data breach timeline because millions of customers entrust payment and identity data to everyday transactions. BreachHistory indexes 4 Panera Bread-linked incidents, with headline counts up to 37M+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why Panera Bread breach history matters
Panera Bread operates in Retail (United States). Across indexed rows, recurring themes include ransomware and extortion, credential theft and social engineering. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2026 — 5.1M–14M customer records
Cataloged incident. ShinyHunters breached Panera Bread in January 2026 via Microsoft Entra SSO credentials obtained through voice phishing. Attackers impersonated IT support to trick employees. After failed extortion, ~760MB of compressed data was dumped with 5.1M unique emails. Class action lawsuits filed by mid-February 2026. Exposed categories include Names, emails, phone numbers, addresses, partial payment data, rewards info, order history. BreachHistory cites approximately 5.1M+ affected records in this row. See the panera-bread 2026 record and canonical BreachHistory entry.
2026 — 9.1M
Cataloged incident. Administrative credential compromise leading to unauthorized cloud access. Exposed categories include Names, emails, phone numbers, addresses, loyalty rewards, partial payment info. BreachHistory cites approximately 9.1M+ affected records in this row. See the panera 2026 record and canonical BreachHistory entry.
2018 — — Panera Bread: KrebsOnSecurity has discovered that Panera Bread…
Cataloged incident. KrebsOnSecurity has discovered that Panera Bread left millions of customer sign-up records (possibly 37 million) in plain text on its website, including email addresses, home addresses, phone numbers and loyalty account numbers.There was no payment info, thankfully, but it would have been patently easy for evildoers to harvest that information and use it as part of identity fraud or spam campaigns.Crucially, Panera Bread didn't appear to be responsive to the problem. Houlihan notified the compan Exposed categories include Personal information. BreachHistory cites approximately 37M+ affected records in this row. See the panera-bread2018 and canonical BreachHistory entry.
2018 — — Panera Bread: Customer records were available via the site for at…
Unverified claim — treat actor counts cautiously. Customer records were available via the site for at least 8 months. Panerabread were alerted to the leak in Aug 2017, but didn't pull the site until Apr 2018. Panerabread claims 10k records were leaked, but security researchers put the figure at over 37 million. BreachHistory cites approximately 37M+ affected records in this row. See the panera-breadu and canonical BreachHistory entry.
Patterns and analysis
- Ransomware and extortion — appears across multiple Panera Bread catalog entries; prioritize controls that address this class of failure.
- Credential theft and social engineering — appears across multiple Panera Bread 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: Use virtual card numbers for online checkout where your bank supports it.
- Step 5: Bookmark the Panera Bread company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/panera-bread · Latest: panera-bread2026.
Sources: BreachHistory catalog (4 rows for Panera Bread), company and regulator disclosures cited in individual breach records.