People search Klue data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 1 Klue-linked incident (1 company-confirmed). This page maps every attested event through 2026 with internal links to canonical records.
Why Klue breach history matters
Klue operates in Technology (Canada). Across indexed rows, recurring themes include ransomware and extortion, third-party and supply-chain exposure, 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 — OAuth token theft supply-chain attack; Salesforce CRM data exfiltrated from customers
Verified breach. In mid-June 2026 Huntress, ReliaQuest, and BleepingComputer documented a supply-chain compromise at Klue, a competitive-intelligence platform. Attackers began June 11 with anomalous behavior in Klue integration systems, deploying code that collected OAuth tokens Klue customers use to connect Salesforce, HubSpot, Gong, SharePoint, Zoom, Clari, Slack, and Google Drive. Klue deactivated OAuth credentials June 12, alerted customers June 13, and disabled integrations while investigating; CEO Jason Smith publicly confirm Exposed categories include OAuth tokens used to query and exfiltrate downstream CRM/sales data—disclosed downstream victims indexed separately: LastPass, Huntress, Recorded Future, Tanium, Jamf, Sprout Socia. No attested victim count is published for this row yet. See the klue-oauth-supply-chain 2026 record and canonical BreachHistory entry.
Patterns and analysis
- Ransomware and extortion — appears across multiple Klue catalog entries; prioritize controls that address this class of failure.
- Third-party and supply-chain exposure — appears across multiple Klue catalog entries; prioritize controls that address this class of failure.
- Unverified actor or scraping claims — appears across multiple Klue 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 Klue company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/klue · Latest: klue-oauth-supply-chain2026.
Sources: BreachHistory catalog (1 row for Klue), company and regulator disclosures cited in individual breach records.