HP EliteBook 840 G1 Notebook PC - Manual (Page 75)

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.
Your computer or networking equipment may already have a firewall installed. If not, firewall software
solutions are available.
NOTE: Under some circumstances a firewall can block access to Internet games, interfere with
printer or file sharing on a network, or block authorized e-mail attachments. To temporarily resolve the
problem, disable the firewall, perform the task that you want to perform, and then reenable the
firewall. To permanently resolve the problem, reconfigure the firewall.
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 choose whether updates are installed automatically. To change the settings, from the Start
screen, type
c , and then select Control Panel. Select System and Security, select Windows
Update, select Change settings, and then follow the on-screen instructions.
Using HP Client Security Manager
HP Client Security software is preinstalled on most computer models. This software can be accessed
through the HP Client Security tile on the Start screen, the HP Client Security icon in the notification
area at the far right of the taskbar, or Windows Control Panel. It provides security features that help
protect against unauthorized access to the computer, networks, and critical data. For more
information, see the HP Client Security software Help.
Using the fingerprint reader (select models only)
Integrated fingerprint readers are available on select computer models. In order to use the fingerprint
reader, you must enroll your fingerprints in the HP Client Security's Credential Manager. Refer to the
HP Client Security software Help.
After you enroll your fingerprints in Credential Manager, you can use HP Password Manager to store
and fill in your user names and passwords in supported websites and applications.
Locating the fingerprint reader
The fingerprint reader is a small metallic sensor that is located in one of the following areas of your
computer:
● On the right side of the keyboard
Installing critical security updates 65