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Computer Security

How to maintain automatic security updates, firewall access, and user passwords for Windows and Mac computers.



Security on Windows 7 & 8



Security on Mac OS X 10.7

Automatic Updates
By enabling automatic security updates, your computer will download and install software to protect from viruses and security threats. 

1. Select the Start button, then select Settings  > Update & security  > Windows Update . If you want to check for updates manually, select Check for updates. 

2. Select Advanced options, and then under Choose how updates are installed, select Automatic (recommended).


Turning on Windows Firewall
Turning your firewall on will help protect your computer from security threats and viruses. 

1. Open Windows Firewall by clicking the Start button, and then clicking Control Panel. In the search box, type firewall, and then click Windows Firewall.

2. In the left pane, click Turn Windows Firewall on or off. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.

3. Click Turn on Windows Firewall under each network location that you want to help protect, and then click OK.

4. If you want the firewall to prevent all programs from communicating, including programs that you have previously allowed to communicate through the firewall, select the Block all incoming connections, including those in the list of allowed programs check box.


Creating a Password (User Account Control)
By protecting your account with a password, the information on your computer will be protected from unauthorized users on and off-line. 

  1. On Windows 10 Home and Windows 10 Professional editions:
  2. 1. Select the Start button, then select Settings > Accounts > Family & other people > Add someone else to this PC

  3. 2. Enter a username, password, password hint, and then select Next. You're done!
  4. On Windows 10 Enterprise edition:
  5. 1. Select the Start button, then select Settings  > Accounts > Other people > Add someone else to this PC.
  6. 2. At the bottom of the page, select I don’t have this person’s sign-in information, and at the bottom of the next page, select Add a user without a Microsoft account.
  7. 3. Enter a username, password, password hint, and then select Next.


Security on Windows 7 &  8 

Automatic Security Updates 
By enabling automatic security updates, your computer will download and install software to protect from viruses and security threats. 

1. From the Start menu, click on Control Panel. In the Control Panel window, make sure you are using Category View and click on System and Security. You can change the view with View by option in the top right-hand corner. 

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2. The next window will be labeled System and Security. In this window, click on Turn automatic updating on or off, located underneath Windows Update

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3. In the next window, select the option Install updates automatically from the drop down menu under Important updates. When asked for permission to continue, click Continue. In the Install new updates section, select Every day from the first drop down menu and a time from the second drop down menu. Now click OK. Your computer will check for updates daily at the selected time and install them. 

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Turning the Firewall On 
Turning your firewall on will help protect your computer from security threats and viruses. 

1. From the Start menu, click on Control Panel. In the Control Panel window, make sure you are using Category View and click on System and Security. You can change the view with the View by option in the top right-hand corner. 

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2. In the System and Security window, click on Check firewall status, located below Windows Firewall. In the next window, click on the Turn Windows Firewall on or off option, located in the left side task bar. 

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3. In the next window, select the options labeled Turn on Windows Firewall under Home or work (private) network location settings and Public network location settings. Now click Ok. The firewall status in the Firewall window will now read Connected. 

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Creating a Password 
By protecting your account with a password, the information on your computer will be protected from unauthorized users on and off-line. 

1. From the Start menu, click on Control Panel. In the Control Panel window, make sure you are using Category View and click on User Accounts and Family Safety. You can change the view with the View by option in the top right-hand corner. 

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2. In the User Accounts and Family Safety window, click on Change your Windows password. In the next window, click on the Create a password for your account option. 
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3. In the next window, type a password in the New password field. Retype it in the Confirm new password field. If you wish to include a password hint, type it in the Type a password hint field. Now click the Create Password button. 

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*NOTE: make sure your password is something you will be able to remember. If you can’t remember the password, you won’t be able to access your account. 


Automatic Security Updates
By enabling automatic security updates, your computer will download and install software to protect from viruses and security threats. 

1. Open the system preferences window from the dock and select App Store

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2. Select these options
  • Automatically check for updates
  • Download newly available updates in the background
  • Install system data files and security updates. 
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Turning the Firewall On 
Turning your firewall on will help protect your computer from security threats and viruses. 

1. Open the system preferences window from the dock and select Security & Privacy

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2. From the Security & Privacy window, select the Firewall tab. 

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3. Click the lock button at the bottom of the window and enter the administrator name and password. 

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4. Next, select the Turn On Firewall button. 
*Note: Enabling the firewall will block all sharing services. If you want to allow sharing services, click Firewall Options... and deselect the Block all incoming connections check box. 

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5. (Optional) If you would like to add additional security settings, click the Firewall Options button, deselect Block all incoming connections and do any of the following: 
  • Allow only specified apps and services to connect: Click the Add Button (+), then select the app or service in the dialog that appears. 

  • Allow only essential apps and services to connect: Select Block all incoming connections

  • Automatically allow built-in software to receive incoming connections: Select the Automatically allow built-in software to receive incoming connections check box. 

  • Automatically allow downloaded signed software to receive incoming connections: Select the Automatically allow downloaded signed software to receive incoming connections check box. 

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6. Once complete, select the OK button at the bottom of the window. 

Changing a Password 
By protecting your account with a password, the information on your computer will be protected from unauthorized users on and off-line. 

1. Choose system preferences from the Apple menu or Dock and select Users & Groups. 

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2. Select your username from the list of users and click the Change Password... button. 

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3. In the new password window, enter your Old password as well as your New password in both the New password and Verify boxes and select the Change Password button. 

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Automatic Security Updates 
By enabling automatic security updates, your computer will download and install software to protect from viruses and security threats. 

1. From the Apple menu, go to System Preferences. In the System Preferences window, click on the Software Update icon under System

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2. The next window will be the Software Update window. Check the box labeled Automatically check for updates. Also, check the boxes labeled Download newly available updates in the background and Install system data files and security updates. 

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Turning the Firewall On 
Turning your firewall on will help protect your computer from security threats and viruses. 

1. From the Apple menu, go to System Preferences. In the System Preferences window, click on the Security & Privacy icon under Personal. 

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2. In the Security & Privacy window, select the Firewall tab. Turn on the firewall by clicking the Turn On Firewall button. The status should change to Firewall: On. 

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Changing a Password 
By protecting your account with a password, the information on your computer will be protected from unauthorized users on and off-line. 

1. From the Apple menu, go to System Preferences. In the System Preferences window, click on the Users & Groups icon under System

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2. The next window will be labeled Users & Groups. In this window, you can change the password on your account by selecting the account from the left-hand menu and clicking the Change Password button. In the next window, type in the old password in the Old password field, the new password in the New password field, and retype the new password in the Verify field. If you wish to include a password hint, type it in the Password hint field and click Change Password

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*NOTE: make sure your password is something you will be able to remember. If you can’t remember the password, you won’t be able to access your account. 


Automatic Security Updates 
By enabling automatic security updates, your computer will download and install software to protect from viruses and security threats. 

1. From the Apple menu, go to System Preferences. In the System Preferences window, click on the Software Update icon under System. 

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2. The next window will be the Software Update window. From the drop down menu next to Check for Updates, choose Daily. Make sure the box next to Check for Updates is checked. Next, check the box next to Download updates automatically

Software update menu image

Turning the Firewall On 
Turning your firewall on will help protect your computer from security threats and viruses. 

1. From the Apple menu, go to System Preferences. In the System Preferences window, click on the Security & Privacy icon under Personal

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2. In the Security & Privacy window, select the Firewall tab. Turn on the firewall by clicking the Turn On Firewall button. The status should change to Firewall: On

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Changing a Password 
By protecting your account with a password, the information on your computer will be protected from unauthorized users on and off-line. 

1. From the Apple menu, go to System Preferences. In the System Preferences window, click on the Users & Groups icon under System. 

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2. The next window will be labeled Users & Groups. In this window, you can change the password on your account by selecting the account from the left menu and clicking the Change Password… button. In the next window, type in the old password in the Old password field, the new password in the New password field, and retype the new password in the Verify field. If you wish to include a password hint, type it in the Password hint field and click Change Password. 

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*NOTE: make sure your password is something you will be able to remember. If you can’t remember the password, you won’t be able to access your account. 

If you have any questions, come by the Help Desk at Hardman & Jacobs Undergraduate Learning Center Room 105, call 646-1840, or email us at help@nmsu.edu.




Keywords:security updates, firewall, automatic updates, security firewall, auto security, windows, mac   Doc ID:70231
Owner:John B.Group:New Mexico State University
Created:2017-01-26 14:56 MDTUpdated:2017-11-06 13:43 MDT
Sites:New Mexico State University
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