How many attempts constitute a brute force attempt?

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How many attempts constitute a brute force attempt?

L1 Bithead

Occasionally, I see an alert with the description of "LDAP: User Login Brute Force Attempt".  If I'm reading the tea leaves correctly, we're relatively confident that we're observing a failed logon for someone performing maintenance on a specific device.

 

But it would be nice to know what Cortex constitutes as a "brute force attempt".  Is it three?  Two?  Ten?  Five failed attempts in two minutes?  I have yet to find documentation through granular google searches.  Anyone else?

 

thanks!

"Sometimes you win, and sometimes you learn."
Walter Bazar
2 REPLIES 2

L4 Transporter

Hi @Eric_Geater ,

thanks for writing us in Livecommunity 

 

I would say that there is not an exact answer to your question. The alert triggering would depend on what our Analytics engine learnt while performing the baseline. So it might depend on the habits in an environment that might differ from the habits (or what is normal in another environment).

We consider a brute force an abnormal or excessive number of failed attemps in a short period of time and this variables would depend of what was learnt as "normal" in your organization. Which might be different to the values in other organization

 

I hope this helps, please feel free to click on like or mark this as a solution if this solved your doubt
Luis 

L1 Bithead

Thanks for your response.  So the answer could be either two, or two million... or somewhere in between.  🙃

"Sometimes you win, and sometimes you learn."
Walter Bazar
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