People search Acer data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 4 Acer-linked incidents, with headline counts up to 3M+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why Acer breach history matters
Acer operates in Technology (Taiwan). 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
2021 — breach
Cataloged incident. Acer India breach. Exposed categories include Customer data. No attested victim count is published for this row yet. See the acer-india2021 and canonical BreachHistory entry.
2021 — — Customer data
Cataloged incident. Hacked. Customer data. Exposed categories include Names, emails, addresses, and other PII. No attested victim count is published for this row yet. See the acer2021 and canonical BreachHistory entry.
2021 — — Acer: Hacking, 3,000,000 records
Cataloged incident. Data breach reported. tech sector. Method: hacked. Source: Information is Beautiful. Exposed categories include Personal and demographic data. BreachHistory cites approximately 3M+ affected records in this row. See the acer2021-iib and canonical BreachHistory entry.
2016 — — Acer: We recently identified a security issue involving…
Cataloged incident. We recently identified a security issue involving the information of certain customers who used our ecommerce site between May 12, 2015 and April 28, 2016, which resulted in unauthorized access by a third party.The information compromised included names, addresses, card numbers, expiration dates, and three digit security code on the back of cards.More Information: http://oag.ca.gov/ecrime/databreach/reports/sb24-62344UPDATE (2/10/2017): On January 26, New York Attorney General Eric Schneiderman Exposed categories include Personal information. BreachHistory cites approximately 35K+ affected records in this row. See the acer2016 and canonical BreachHistory entry.
Patterns and analysis
- Mixed intrusion and disclosure events — appears across multiple Acer 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 Acer company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/acer · Latest: acer-india2021.
Sources: BreachHistory catalog (4 rows for Acer), company and regulator disclosures cited in individual breach records.