You are the security manager of Microliss Inc. Your enterprise uses a wireless network infrastructure with access points ranging 150-350 feet. The employees using the network complain that their…

You are the security manager of Microliss Inc. Your enterprise uses a wireless network infrastructure with access points ranging 150-350 feet. The employees using the network complain that their passwords and important official information have been traced. You discover the following clues:

• The information has proved beneficial to an other company.
• The other company is located about 340 feet away from your office.
• The other company is also using wireless network.
• The bandwidth of your network has degraded to a great extent.

Which of the following methods of attack has been used?