Enhance computer security, guard against virus, hacker,…

First – Strengthen the defense of your computer

– Install Firewalls

“Firewall” is an isolation technology to separate the internal network
and the Internet. The firewall carries out some filtering when two
networks communicate. It lets the data/person that you “agree” to enter
your network, and also block the data/person you “do not agree” from
your network. It can prevent they changes, copy, or destroys your
material. To ensure the firewall get into work, you must keep it update.

– Install Anti-virus software

The key on computer virus is not “Kill” is “Prevent”. You should
install the Anti-virus software and start the real-time monitoring
process and keep the software and the virus definition file updated. To
guard against the newest virus, you should set the update process in a
daily mode. Also, in every week, you should scan the computer completely
for the virus.

– Guard against Spyware

Spyware is a program that is installed without the user authorization.
It can get the information and send to a third party. Spyware can
attached in software, executable image and break into the user computer.
They are used to track the computer usage information, record the
keyboard hits, or take a screen capture. To get rid from spyware, you can
– raise the security level of your browser
– install software to guard against from spyware
– verify with the official website about the software plan to install

Second – Against from attacks

– Refuse unknown software, emails and attachments

Don’t download unknown software. Save all downloaded softwares into one
single directory and scan it before install. Don’t open any unknown
email and its attachments. Many viruses are spread through by using
email. Don’t open unknown emails, especially those with interesting
headline.

– Don’t go to hacker and pornographic website

Many virus and spyware are come from these websites. If you browse this
website and your computer is not secure enough, you can imagine what
will happen next.

– Avoid share folders

Share folder is risky and outsider can surf around your folder freely.
When you want to share folder, remember to set a password. If you are no
need to share the folder any more, remove the sharing immediately. It is
extremely danger to share the whole drive. If someone removes the system
file, your machine may be down and cannot start up again.

Last – Keep Checking/Update

– Set different and complicate password

In Internet, there are thousand needs to use password, like e-banking,
login account, email. Try to use different password for different
operation, this can limit the loss if one of the passwords is broken
into by someone. Avoid using meaningful password, like birthday,
telephone number. You should use password with letter and number. One
more thing is do not choose “Save Password” option.

– Beware of defraud

The number of defraud case in Internet is keep increasing. Build up a
fake bank website, send out an email to ask for password. Before take
any action, try to verify it is real or not. You can phone to bank
hotline to ask, go to the bank to contact directly.

– Backup

Backup is the last step to guard against the attacks. If your computer
is hacked, the operating system and softwares can be reinstalled. But
the data can only be restored if you frequently make a backup.

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