Threat Actor Exploits Vulnerabilities to Abuse Elastic Cloud SIEM for Data Theft

Threat Actor Exploits Vulnerabilities to Abuse Elastic Cloud SIEM for Data Theft

First seen 9 Mar 2026, 15:53 UTC •HuntressInfosecurity-Magazine •61.2

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ThreatCluster

Cybersecurity researchers from Huntress have uncovered a campaign where a threat actor exploited multiple software vulnerabilities, including the SolarWinds Web Help Desk, to exfiltrate data to a free trial instance of Elastic Cloud's SIEM platform. This incident affects numerous organizations as the attacker utilized the SIEM for victim triage, revealing connections to disposable email services and a Russian-registered temporary email network.

How this analysis works

Timeline

2026-03-07
Huntress reports discovery of threat actor's campaign
2026-03-09
Infosecurity-Magazine publishes details on the exploitation

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