Securing my network and system

Hi,

What is the main security threats i need to think of securing my Network and systems.

What i have in list.

1. Disabling D$ etc
2. Changing Local admin passwords
3. Asking the user to change his password every 1 month

Any experts please suggest anything you have in mind.

Regards
Sharath
LVL 11
bsharathAsked:
Who is Participating?
 
Toni UranjekConsultant/TrainerCommented:
Hi!

Here you have only few suggestions:

1. Update your machines regulary.
2. Use antivirus and antispyware programs and update them regulary.
3. Do not make domain users local admins.
4. Implement password policy, minimum 8 characters, complex passwords and force users to change them at least every 90 days.
5. Enable account lockout to prevent dictionary or brute force attacks.
6. Eliminate all protocols that allow username and password to be sent in clear text (POP, SMTP, IMAP, HTTP).
7. Use group policy to lockdown users machines
etc.

HTH

Toni
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Admin4XPCommented:
Theres a pretty extensive article on all the Best security practices on microsofts website:

http://www.microsoft.com/technet/security/secnews/articles/enterprisesecbp.mspx
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Malli BoppeCommented:
disbaling D$ and user to change the password every 30 days can be set in the default domain policy.
Why do you want to make sure local admins on PC's unless its a must.
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bsharathAuthor Commented:
Because users can use the local admin password to login to another machine
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Malli BoppeCommented:
If you really want the users to be  local admins on all the machines then use groups policy.This way you would have better administration.
http://www.experts-exchange.com/Operating_Systems/Win2000/Q_21289460.html
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