account lockout policy

an account threshold / reset account lockout counter after the number of invalid logon attempts allowed before and account is lockout indicated here.the time duration that an account is kept logged and account logon counter reset 1 and acount is locked out.

password policy

password policy is a set of rules designed to enhance computer security by encouraging users to employ strong passwords and use them properly. A password policy is often part of an organization's official regulations and may be taught as part of security awareness training. The password policy may either be advisory or mandated by technical means.

enforce password history

the number here indicate no of passwords which are that kept in the history. when a password is added to the history page it cannot be reassign until it released.

maximum password age

the no of days that the password can be kept at maximum indicated here. if a password is not changed within this duration its expired.

minimum password age

this means the no of days that a password must be kept before changing.

minimum password length

With this policy setting, you can assign a minimum number of characters for account passwords. The number can be anything from 0 to 14. It is generally recommended that passwords be a minimum of 7 or 8 characters to make them sufficiently secure.

maximum password length

this means the maximum characters you can put in for a password.
the maximum password length is 128 characters

password must meet complexity requirement

when this option is enabled the password must be consisted with lower and uppercase letters and numbers or alphabets,numbers and symbols.

understanding security policy

security policy is a definition of what it means to be secure for a system organization or other entity. For an organization, it addresses the constraints on behaviour of its members as well as constraints imposed on adversaries by mechanisms such as doors, locks, keys and walls. For systems, the security policy addresses constraints on functions and flow among them, constraints on access by external systems and adversaries including programs and access to data by people.

what is user account

A user account is a profile that defines user rights, customizations and settings. By utilizing user accounts on computers with more then one user, each user is able to specify and retain their personal environments.

user accounts also divided into 2 ways

• Local user accounts
• Domain user accounts

whai is user profile

a user profile is a record of user-specific data that define the user's working environment. The record can include display settings, application settings, and network connections. What the user sees on his or her computer screen, as well as what files, applications and directories they have access to, is determined by how the network administrator has set up the user's profile.

preboot sequence

During startup, a Windows Server 2003-based computer initializes the boot portion of the hard disk and the
preboot sequence begins. This sequence consists of four steps

• the computer runs power-on self test (POST) process to determine the amount of physical memory

• The hardware components are present

• If the computer has a Plug and Play (BIOS), enumeration and configuration of hardware devices occurs

• The computer BIOS locates the boot device and loads and runs the master boot record (MBR)

administrator privileges

you must have administrator privileges to do the following things.

• install network components
• client for Microsoft networks
• file and printer sharing in Microsoft networks
• (TCP/IP) internet protocol
  

benefit of NTFS partitions

NTFS is the recommended file system for Windows XP and provides a number of benefits in terms of functionality, security, stability, availability, reliability, and performance.

NTFS supports for

• file permissions & folder permissions
• supports maximum file capacity
• supports encryption
• supports compressions
• supports disk quota
  

Remove heap41a virus

How to Remove heap41a virus

1. Press CTRL+ALT+DEL to open task manager

2. Go to the processes tab and look for svchost.exe under the "image name". There will be many but look for the ones which have your username under the "username".

3. Press DEL to kill these files. It will give you a warning, simply press Yes

4. Repeat for other svchost.exe files with your username. Note: Do not kill svchost.exe under system, local service or network service.

5. Type C:\heap41a in Start Menu > run.. and press enter. You need to do this because it is a hidden folder.

6. Delete all files inside this folder.

7. Again go to Start Menu > Run and type in Regedit

8. Go to the menu Edit > Find

9. Type "heap41a" here and press enter. You will get something like this "[winlogon] C:\heap41a\svchost.exe C:\heap(some number)\std.txt"

10. Select that and Press DEL. It will ask "Are you sure you wanna delete this value", click Yes

11. Now close the registry editor and you are done.

Make sure to delete the autorun.inf file and any unrecognized file ends with .exe in your pen drives and other external hard drives otherwise it will replicate itself again.

Enable or Disable Add-ins in Outlook 2007

To Enable or Disable Add-ins in Outlook 2007:

Please follow below steps

• In Outlook 2007, go to Tools > Trust Center

• Click on the Add-ins section

• You will now see all active, non-active, and disabled add-ins.Click on the add-in you Want to enable/disable and then click on the Go button towards the bottom.

• This will then open up the COM add-ins page. You can then check/uncheck the Add-ins you want to enable or disable.

How to find disable outlook 2007 add-ins and plugins

Disabling unnecessary plugins is a great way to make your Outlook run smoother. In Outlook 2007 Add-ins are listed under “Tools->Trust Center->Addins”. There are two types of Addins - COM Add-ins and Exchange Client Extensions.

Please follow below steps

1 To disable COM Add-ins:

• Select “COM Add-ins” in the Manage drop-down at the bottom of the Trust Center window and click “Go”.

• Uncheck any add-ins that you are not using.

2 To disable Exchange Client Extensions

• Select “Exchange Client Extensions” in the Manage drop-down at the bottom of the Trust Center window and click “Go”.

• Uncheck any add-ins that you are not using.

Please note that changes you made will only applied after outlook restarted