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There are two types of rewalls to consider:
● Host-based rewalls—Software that protects only the computer it is installed on.
● Network-based rewalls—Installed between your DSL or cable modem and your home network to protect
all the computers on the network.
When a rewall is installed on a system, all data sent to and from the system is monitored and compared with
a set of user-dened 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.
IMPORTANT: Microsoft® sends out alerts regarding Windows updates, which may include security updates.
To protect the computer from security breaches and computer viruses, install all updates from Microsoft as
soon as you receive an alert.
You can install these updates automatically.
To view or change the settings:
1. Select the Start button, select Settings, and then select Windows Update.
2. Follow the on-screen instructions.
3. To schedule a time for installing updates, select Advanced options, and then follow the on-screen
instructions.
Using HP TechPulse (select products only)
HP TechPulse is a cloud-based IT solution that enables businesses to eectively manage and secure their
company assets.
HP TechPulse helps protect devices against malware and other attacks, monitors device health, and helps
reduce time spent solving device and security issues. You can quickly download and install the software,
which is highly cost-eective relative to traditional in-house solutions. For more information, go to
https://www.hpdaas.com/.
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) such as coee 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.
Installing software updates 47
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