Cybercrime Breaches Klue: Salesforce Data Impacted for Many Victims, including Huntress

Huntress discloses it was among multiple victims of a supply chain attack targeting Klue, a market intelligence platform. The threat actor, dubbed Icarus, compromised Klue's backend systems on June 11, 2026, injecting code to steal OAuth tokens used by Klue's customers to connect their CRM tools. This allowed the attacker to directly query and exfiltrate Salesforce data from Huntress and other companies including Recorded Future, Tanium, and Jamf. The stolen Huntress data includes business contact info, pricing, subscription details, and sales communications — no product telemetry, passwords, or payment data was affected. Huntress shares IOCs (IP addresses, User-Agent strings), threat actor attribution details linking to the Icarus extortion group, and five recommended investigation steps for other potentially impacted organizations. The post is being updated in real time as the situation evolves, with a secondary unauthorized party also claiming access to breach data as of June 24.

Source: https://www.huntress.com/blog/klue-breach-investigation. 8 Sync News only summarizes and links out; content copyright belongs to the authors and original sources.