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MediumSigmaHQMarco Pedrinazzi (@pedrinazziM) (InTheCyber)

FortiGate - User Group Modified

Detects the modification of a user group on a Fortinet FortiGate Firewall. The group could be used to grant VPN access to a network.

Detection logic

Detection requirements

Log source product
fortigate
Log source service
event

Known benign triggers

  • A group can be modified for legitimate purposes.

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