Data Breach Tracker: US Security Incidents – May 2026
133
April–May 2026
Security & Stability
US data breaches and cybersecurity incidents across healthcare systems, financial institutions, government agencies, schools, and consumer companies.
Data breach or security incident exposing customer or user records reported at a company in the US in the past month
CatchAll web intelligence query aggregating news sources for US data breaches and security incidents exposing customer or user records.
14914
<table class="catchall-table"><thead><tr><th style="min-width:40px">#</th><th style="min-width:200px">Company</th><th style="min-width:140px;white-space:nowrap">Breach Type</th><th style="min-width:120px;white-space:nowrap">Records Exposed</th><th style="min-width:320px">Data Categories Exposed</th><th style="min-width:120px;white-space:nowrap">Date</th><th style="min-width:120px;white-space:nowrap">Source</th></tr></thead><tbody><tr><td>1</td><td style="min-width:200px">Kent District Library</td><td style="min-width:140px">Ransomware</td><td style="min-width:120px">181,000</td><td style="min-width:320px">addresses, phone numbers, license</td><td style="min-width:120px">2026-04-24</td><td style="white-space:nowrap"><a href="https://www.wzzm13.com/article/news/local/no-answers-as-cherry-health-kdl-tech-outages-drag-on-for-days/69-a56c285a-6b90-4f75-b6e1-fdf10e7a1036" target="_blank" rel="nofollow">wzzm13.com</a></td></tr><tr><td>2</td><td style="min-width:200px">Medtronic</td><td style="min-width:140px">Unauthorized Access</td><td style="min-width:120px">1.0M</td><td style="min-width:320px">personal information</td><td style="min-width:120px">2026-04-24</td><td style="white-space:nowrap"><a href="https://www.morningstar.com/news/dow-jones/202604272898/medtronic-says-some-it-systems-accessed-in-cyber-breach" target="_blank" rel="nofollow">morningstar.com</a></td></tr><tr><td>3</td><td style="min-width:200px">Interim Healthcare of West Texas</td><td style="min-width:140px">—</td><td style="min-width:120px">3,047</td><td style="min-width:320px">Names of individuals, Addresses, Medical information, Health insurance information, Dates of birth</td><td style="min-width:120px">2026-04-24</td><td style="white-space:nowrap"><a href="https://www.claimdepot.com/investigations/interim-healthcare-data-breach-2026" target="_blank" rel="nofollow">claimdepot.com</a></td></tr><tr><td>4</td><td style="min-width:200px">Pine Bluff School District</td><td style="min-width:140px">Unauthorized Access</td><td style="min-width:120px">—</td><td style="min-width:320px">—</td><td style="min-width:120px">2026-04-26</td><td style="white-space:nowrap"><a href="https://katv.com/community/good-morning-arkansas/replace-your-windshield-with-gwatney-collision-center" target="_blank" rel="nofollow">katv.com</a></td></tr><tr><td>5</td><td style="min-width:200px">ADT</td><td style="min-width:140px">Unauthorized Access</td><td style="min-width:120px">—</td><td style="min-width:320px">customer data</td><td style="min-width:120px">2026-04-27</td><td style="white-space:nowrap"><a href="https://www.itsecuritynews.info/adt-data-breach-toronto-sms-blasting-pre-stuxnet-malware-discovery" target="_blank" rel="nofollow">itsecuritynews.info</a></td></tr><tr class="catchall-blurred"><td>████████████</td><td>████████████</td><td>████████████</td><td>████████████</td><td>████████████</td><td>████████████</td><td>████████████</td><td>████████████</td></tr><tr class="catchall-blurred"><td>████████████</td><td>████████████</td><td>████████████</td><td>████████████</td><td>████████████</td><td>████████████</td><td>████████████</td><td>████████████</td></tr><tr class="catchall-blurred"><td>████████████</td><td>████████████</td><td>████████████</td><td>████████████</td><td>████████████</td><td>████████████</td><td>████████████</td><td>████████████</td></tr></tbody></table>
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