Getting to know the pulse of security breaches, within our enterprise!

[Hrishikesh Khasgiwale <hkhasgiwale () gmail com>]

Hi guys..

I was thinking of designing an infrastructure template, that would
allow me to replicate that model across my organisation which would
enable the fellow team members to proactively monitor the 'red flags'
that might arise within our LAN from time to time. By red flags I
mean, something that would mean there is an imminent 'threat' to the
overall security posture within my enterprise and I am not talking
from perimeter Firewall / IPS perspective but I want to look more
inwards.

Things that come to mind are:

1. Someone who tries to log into an AD account from a workstation that
he/she doesn't usually log into, should be displayed on a dashboard.

2. Account lockouts happening from a given workstation abnormally
(abnormal values can be defined)..

3. Abnormal ports being accessed from workstation (like attempts to
make connection to someone else's C$, d$ share or someone else making
connection to his/her C $ / D $ shares). This might even signify a
malware on this PC that has gone undetected by the local antivirus.

...or any other stuff that might bring about a threat to the overall
security of my environment.

Has anyone been there n done that?

I understand that it's part technology and part design but I am
currently concerned about the design aspect and whether I have my
requirements correctly sorted out.

Any / all suggestions welcome!!

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