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Security Precautions for Using Wireless LAN
Products
One of the advantages of wireless LAN is that connections are possible anywhere within the range of
the radio waves. This is possible because instead of cables, wireless LAN uses radio waves to
connect computers and wireless access points.
On the other hand, the radio waves get through obstructions (such as walls) within the range to reach
every place, so the following problems may occur if security is not set up.
• Transmissions Can Be Accessed Covertly
It is possible for criminal outsiders to intentionally intercept the transmissions to covertly access the
information in the transmissions.
•
IDs, passwords, credit card numbers, and other personal information
•
Content of mail
• Unauthorized Access
Criminal outsiders may access private or company networks without authorization to do the following.
•
Steal personal or secret information (information leak)
•
Impersonate someone and send false information (impersonation)
•
Alter intercepted transmissions and distribute them (falsification)
•
Infect computers with a virus to destroy data or systems (vandalism)
You can reduce the possibility of these problems by doing the setting up security for your wireless LAN
product.
Wireless LAN cards and wireless access points conventionally have security arrangements to prevent
these types of problems.
We recommend that customers fully understand the problem of using the product without security and
that they determine to and take the responsibility for setting up security for their product.
Security Precautions for Using Wireless LAN Products
29
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