How Can I Protect My PC Against Viruses And Malicious Code?

Always install and enable anti-
virus software or malicious code
detection and repair tools. You
can also consider similar products
that work against spyware and
adware. You should enable and configure the live update
feature of your virus signature
and malicious code definition files,
if available, setting the
frequency to update daily. If
automatic update is not possible, manual updates should be
conducted at least once a week.

In addition, users should:
�� Enable real-time detection to
scan, for example, email
attachments, files on removable
media, and files downloaded from
the Internet. ��
Schedule a regular full system
scan.
��
Regularly review and apply the
latest security patches/hot-fixes released by product vendors for
operating systems and
application programs.
��
Before installing any software,
verify its integrity (e.g. by comparing checksum values) and
ensure it is free of computer
viruses and malicious code.
��
Avoid using personal Internet
email, which is more susceptible to computer virus infection. If
personal Internet email services
must be used for business
purposes, emails should be
downloaded to an isolated
computer via a dedicated Internet connection.
��
Always boot from the primary
hard disk. As far as possible, do
not boot workstations from
removable storage devices. ��
Backup your data regularly.
If you suspect your computer is
infected, you should stop using
it, because that may spread the
computer virus or malicious code further. If it is your office
computer or mobile device, you
should report the incident to the
management and LAN/System
Administrator immediately.

While you can use anti-virus
software to clean malicious code,
it may not be possible to fully
recover infected files. You should
replace any infected files with
original copies from your backup systems. After recovery, a
complete scan of your PC and
other removable storage media
is vital to ensure everything is
now free of viruses or malicious
code.

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