Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters. tactic: TA0043 ✕ technique: T1598 ✕

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  • Email was received from an unknown sender using a disposable domain Low Email

    The email was received from an unknown sender using a disposable email provider, first seen in the organization in the past month.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Hour 30 Minutes
    ATT&CK tactics: Reconnaissance (TA0043) Initial Access (TA0001)
    ATT&CK techniques: Phishing for Information (T1598) Phishing (T1566)
    Required data: Microsoft 365 Emails
    Attacker's goals: Aim to steal sensitive information Trick recipients into downloading harmful payloads Aim to gain unauthorized access to the organization's systems.
    Investigative actions: Check the email address for any unusual spellings, missing letters, or unknown domains. If the message contains attachments or links, scrutinize them for any suspicious indications. Monitor further actions taken, such as file downloads or access to potentially malicious links.