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    Gmail Spike In Undeliverables

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    GlassDiceBearhttps://www.dicebear.comhttps://creativecommons.org/publicdomain/zero/1.0/„Glass” (https://www.dicebear.com) by „DiceBear”, licensed under „CC0 1.0” (https://creativecommons.org/publicdomain/zero/1.0/)
    Bas tradamus@Bastradamus
    •updated Nov 3, 2025•8•0•150

    Detects a spike in undeliverable emails, this can be an early indication of a targeted phishing campaign or a compromised user account.

    YARA-L

    Tags

    TA0001 - Initial AccessT1566 - PhishingEmail Phishing DetectedGCP

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