Sprout Social CRM Data Accessed in Klue OAuth Breach
Sprout Social, a social media management platform, was among the confirmed victims of the Klue OAuth breach. The Icarus extortion group compromised Klue's infrastructure, a market intelligence platform, gaining access to CRM data of its customers, including Sprout Social. The attack, which occurred on June 11, 2026, exploited a compromised legacy credential at Klue.
Signal context
First seen: Jun 26, 2026
Last updated: Jun 29, 2026
Status: Public signal
Key points
- Victim of Klue OAuth breach.
- CRM data accessed.
- Threat actor: Icarus extortion group.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Information
Likely country: Location not provided
Watch internet-facing systems, credential abuse and exploit activity.
- Source type: outside the affected organization
Impact area: Confidentiality
Likely asset: User or customer data
- 32 signals in the same sector
- 97 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
Security Check-in Quick Hits: Tata Electronics Breach, Klue Supply Chain Attack, FortiBleed Campaign, libssh2 Flaw, and Cisco CUCM Exploitationhttps://www.rodstrent.com/post/security-check-in-quick-hits-tata-electronics-breach-klue-supply-chain-attack-fortibleed-campaign-libssh2-flaw-and-cisco-cucm-exploitationPublic source from rodstrent.com.
BeyondTrust, LastPass Impacted by Klue-Salesforce Incidenthttps://www.securityweek.com/beyondtrust-lastpass-impacted-by-klue-salesforce-incident/Public source from securityweek.com.
LastPass confirms data breach after hacker compromises supply chain — here's what we knowhttps://www.techradar.com/pro/security/lastpass-confirms-data-breach-after-hacker-compromises-supply-chain-heres-what-we-knowPublic source from techradar.com.
Top 5 Cybersecurity News Stories June 26, 2026 - DIESEChttps://diesec.com/top-5-cybersecurity-news-stories-june-26-2026/Public source from diesec.com.
Klue OAuth breach victim list grows as Icarus hackers claim attack - Bleeping Computerhttps://www.bleepingcomputer.com/news/security/klue-oauth-breach-victim-list-grows-as-icarus-hackers-claim-attack/Public source from bleepingcomputer.com.
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Grouped by why the signal is relevant.
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