{"companyName":"McGraw Hill","companyDomain":"mheducation.com","breachUrl":"https://breached-web-instalaw.vercel.app/breach/mcgraw-hill-20260410","llmTextUrl":"https://breached-web-instalaw.vercel.app/breach/mcgraw-hill-20260410/llms.txt","summary":"McGraw Hill confirmed a data breach in April 2026 affecting 13.5 million accounts, exposing email addresses, names, phone numbers, and physical addresses due to a Salesforce misconfiguration.","caseSite":null,"facts":{"reportedAt":"2026-05-01T03:28:57.394Z","breachDate":"2026-04-10T00:00:00.000Z","affectedCount":13500136,"exposedDataTypes":["Email addresses","Names","Phone numbers","Physical addresses"],"severity":"critical","latestModifiedAt":"2026-05-03T21:56:41.804Z"},"sources":[{"type":"hibp","label":"HIBP","url":"https://haveibeenpwned.com/PwnedWebsites#McGrawHill","title":null,"publisher":"haveibeenpwned.com","publishedAt":null,"retrievedAt":"2026-05-01T03:28:57.394Z","isPrimarySource":false,"confidence":null}],"updates":[]}