People search Chegg data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 2 Chegg-linked incidents, with headline counts up to 40M+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why Chegg breach history matters
Chegg operates in Technology (India). 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
2018 — — In an SEC filing Tuesday, the online textbook rental…
Cataloged incident. In an SEC filing Tuesday, the online textbook rental and tutorial company said that, in late April, an unauthorized party gained access to a company database hosting user data – including names, emails, shipping addresses, and passwords. Chegg said user data for its family of brands, including EasyBib, could also have been affected. The company said that it first learned of the breach on Sept. 19 and, today, plans to start notifying approximately 40 million registered users and regulatory authorities about the inc Exposed categories include Personal. BreachHistory cites approximately 40M+ affected records in this row. See the chegg2018-vcdb1 and canonical BreachHistory entry.
2018 — 40M accounts
Cataloged incident. Student services. Former employee accessed database. Exposed categories include Emails, hashed passwords. BreachHistory cites approximately 40M+ affected records in this row. See the chegg-inc-2018 and canonical BreachHistory entry.
Patterns and analysis
- Mixed intrusion and disclosure events — appears across multiple Chegg 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: Review OAuth app permissions and revoke unused third-party integrations.
- Step 5: Bookmark the Chegg company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/chegg · Latest: chegg2018-vcdb1.
Sources: BreachHistory catalog (2 rows for Chegg), company and regulator disclosures cited in individual breach records.