Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters.

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  • Outbound email to an address hosted by a public email service provider Informational Email 1 variation

    Internal sender emailed to an address hosted by a public email service provider.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Execution (TA0002) Credential Access (TA0006)
    ATT&CK techniques: User Execution (T1204) Brute Force: Password Cracking (T1110.002)
    Required data: Microsoft 365 Emails
    Detector tags: Exfiltration, Account Takeover
    Attacker's goals: Extracting valuable information outside the company.
    Investigative actions: Check the content of the email that was sent. Review the external recipient address and assess its reputation. Review past emails sent from this mailbox for any suspicious activity. Check for unusual emails sent to this recipient's address. Monitor further action taken, such as accessing to private keys, API tokens and sensitive data.

    Variations

    Outbound email to a single address hosted by a public email service provider

    Informational overridden

    Internal sender emailed to a single recipient with public email service provider. overridden