HP Pavilion 13-s000 User Guide - Page 49

Using firewall software, Installing software updates, Installing critical security updates

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An antivirus program may be preinstalled on your computer. It is strongly recommended that you use the antivirus program of your choice in order to fully protect your computer. For more information about computer viruses, from the Start screen, type support, and then select the HP Support Assistant app. Using firewall software Firewalls are designed to prevent unauthorized access to a system or network. A firewall can be software you install on your computer and/or network, or it can be a combination of both hardware and software. There are two types of firewalls to consider: ● Host-based firewalls-Software that protects only the computer it is installed on. ● Network-based firewalls-Installed between your DSL or cable modem and your home network to protect all the computers on the network. When a firewall is installed on a system, all data sent to and from the system is monitored and compared with a set of user-defined security criteria. Any data that does not meet those criteria is blocked. Installing software updates HP, Windows, and third-party software installed on your computer should be regularly updated to correct security problems and improve software performance. For more information, see Updating programs and drivers on page 36. Installing critical security updates CAUTION: Microsoft sends out alerts regarding critical updates. To protect the computer from security breaches and computer viruses, install all critical updates from Microsoft as soon as you receive an alert. You can install these updates manually or automatically. To view or change the settings: 1. From the Start screen, type control panel. ‒ or - From the Windows desktop, right-click the Start button, and then select Control Panel. 2. Select System and Security, select Windows Update, select Change settings, and then follow the onscreen instructions. Securing your wireless network When you set up a WLAN or access an existing WLAN, always enable security features to protect your network from unauthorized access. WLANs in public areas (hotspots) like coffee shops and airports may not provide any security. Backing up your software applications and information Regularly back up your software applications and information to protect them from being permanently lost or damaged through a virus attack or a software or hardware failure. For more information, see Backing up, restoring, and recovering on page 47. Installing software updates 41

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An antivirus program may be preinstalled on your computer. It is strongly recommended that you use the
antivirus program of your choice in order to fully protect your computer.
For more information about computer viruses, from the Start screen, type
support
, and then select the
HP
Support Assistant
app.
Using firewall software
Firewalls are designed to prevent unauthorized access to a system or network. A firewall can be software you
install on your computer and/or network, or it can be a combination of both hardware and software.
There are two types of firewalls to consider:
●
Host-based firewalls—Software that protects only the computer it is installed on.
●
Network-based firewalls—Installed between your DSL or cable modem and your home network to
protect all the computers on the network.
When a firewall is installed on a system, all data sent to and from the system is monitored and compared
with a set of user-defined security criteria. Any data that does not meet those criteria is blocked.
Installing software updates
HP, Windows, and third-party software installed on your computer should be regularly updated to correct
security problems and improve software performance. For more information, see
Updating programs and
drivers
on page
36
.
Installing critical security updates
CAUTION:
Microsoft sends out alerts regarding critical updates. To protect the computer from security
breaches and computer viruses, install all critical updates from Microsoft as soon as you receive an alert.
You can install these updates manually or automatically.
To view or change the settings:
1.
From the Start screen, type
control panel
.
‒
or –
From the Windows desktop, right-click the
Start
button, and then select
Control Panel
.
2.
Select
System and Security
, select
Windows Update
, select
Change settings
, and then follow the on-
screen instructions.
Securing your wireless network
When you set up a WLAN or access an existing WLAN, always enable security features to protect your
network from unauthorized access. WLANs in public areas (hotspots) like coffee shops and airports may not
provide any security.
Backing up your software applications and information
Regularly back up your software applications and information to protect them from being permanently lost
or damaged through a virus attack or a software or hardware failure. For more information, see
Backing up,
restoring, and recovering
on page
47
.
Installing software updates
41