> For the complete documentation index, see [llms.txt](https://docs.fusion.vectra.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fusion.vectra.ai/detection-models/library/brute-force/mssql_brute_internal_internal.md).

# mssql\_brute\_internal\_internal

Explanation This event is triggered by Netography's Fusion Portal when it detects a brute force password guessing attack against an MSSQL server. This event specifically looks for activity between hos

**Explanation**

This event is triggered by Netography's Fusion Portal when it detects a brute force password guessing attack against an MSSQL server. This event specifically looks for activity between hosts inside your network.

**What to Look For**

Brute force attacks launched inside your network may be an indication that your network is compromised. Investigate hosts that are the source of this sort of activity in order to make sure that it is authorized and expected, and the hosts have not been compromised. Ensure that strong passwords are in use to prevent successful attacks. Check network logs for additional information and review endpoint security to ensure that sensitive information is secure.

**Related MITRE ATT\&CK Categories**

[Lateral Movement: Remote Services, Technique T1021 - Enterprise](https://attack.mitre.org/techniques/T1021)

[Credential Access: Brute Force, Technique T1110 - Enterprise](https://attack.mitre.org/techniques/T1110)


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