Medium Severity

Service abuse: Google Groups callback scam

Labels

Callback Phishing
Free email provider
Social engineering
Natural Language Understanding
Sender analysis

Description

Detects inbound messages originating from Google Groups that contain high-confidence callback scam content, identifying abuse of the legitimate service to distribute fraudulent callback requests.

References

No references.

Sublime Security
Created Jun 4th, 2026 • Last updated Jun 4th, 2026
Feed Source
Sublime Core Feed
Source
GitHub
type.inbound
and sender.email.domain.domain == "groups.google.com"
and any(ml.nlu_classifier(body.current_thread.text).intents,
        .name == "callback_scam" and .confidence == "high"
)
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