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Synopsys Data Breaches: Full Timeline Through 2026

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People search Synopsys data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 2 Synopsys-linked incidents, with headline counts up to 40K+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.

Why Synopsys breach history matters

Synopsys operates in Technology / Semiconductor EDA (United States). Across indexed rows, recurring themes include ransomware and extortion, cloud and database misconfiguration, unverified actor or scraping claims. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.

Full timeline through 2026

2026 — D1R ransomware leak-site claim; 40k corporate clients cited (unverified; Jul 13)

Unverified claim — treat actor counts cautiously. Unverified ransomware leak-site claim — observed July 13, 2026. D1R, a newly observed ransomware/extortion group, listed Synopsys separately on its Tor leak site alongside Bosch, claiming attackers exploited a vulnerability in Synopsys' website registration form to exfiltrate a corporate client database of approximately 40,000 entries without internal network access. CyberNews published screenshots and actor messaging describing the claim; Ransomware.live indexed Synopsys as a D1R victim discovered July 13, 2026. O Exposed categories include Actor-claimed: corporate client database (~40,000 entries) and customer technical/design data reachable via alleged Synopsys compromise—unverified; company stated claims of unautho. BreachHistory cites approximately 40K+ affected records in this row. See the synopsys-d1r 2026 record and canonical BreachHistory entry.

2025 — 2025–2026 Synopsys — unauthorized access to small number of corporate email accounts (Jun–Dec 2025); U.S. regulator-file

Cataloged incident. Synopsys, Inc. regulatory breach notifications filed in early April 2026 (e.g., sample letters archived by New Hampshire and Massachusetts consumer-protection programs) described discovery around December 3, 2025, of suspicious activity tied to a limited set of workforce email accounts accessed without authorization roughly between June 17, 2025, and December 4, 2025. Issuers stated that messages or file store attachments in those mailboxes could have contained varied combinations of HR-/benefits-style PII and rela Exposed categories include Potentially names, SSN/driver’s license or state ID, DOB, postal/email address, bank/financial, and medical or health-insurance details as listed in sample state notifications—vari. No attested victim count is published for this row yet. See the synopsys2025 and canonical BreachHistory entry.

Patterns and analysis

  • Ransomware and extortion — appears across multiple Synopsys catalog entries; prioritize controls that address this class of failure.
  • Cloud and database misconfiguration — appears across multiple Synopsys catalog entries; prioritize controls that address this class of failure.
  • Unverified actor or scraping claims — appears across multiple Synopsys 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

  1. Step 1: Enable phishing-resistant MFA on every account tied to this brand.
  2. Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
  3. Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
  4. Step 4: Bookmark the Synopsys company page for new 2026+ disclosures.

Canonical BreachHistory hub

Explore every indexed row: breachhistory.com/synopsys · Latest: synopsys-d1r2026.

Sources: BreachHistory catalog (2 rows for Synopsys), company and regulator disclosures cited in individual breach records.