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Enterprises often enforce security using a certificate-based system to authenticate the connecting device, following the standard 802.1X.Many laptop computers have wireless cards pre-installed.There were relatively few dangers when wireless technology was first introduced.Hackers had not yet had time to latch on to the new technology, and wireless networks were not commonly found in the work place.Wireless networks are very common, both for organizations and individuals.Wireless Intrusion Prevention Systems (WIPS) or Wireless Intrusion Detection Systems (WIDS) are commonly used to enforce wireless security policies.Such "piggybacking" is usually achieved without the wireless network operator's knowledge; it may even be without the knowledge of the intruding user if their computer automatically selects a nearby unsecured wireless network to use as an access point. If an employee (trusted entity) brings in a wireless router and plugs it into an unsecured switchport, the entire network can be exposed to anyone within range of the signals.Similarly, if an employee adds a wireless interface to a networked computer using an open USB port, they may create a breach in network security that would allow access to confidential materials.
If router security is not activated or if the owner deactivates it for convenience, it creates a free hotspot.However, there are effective countermeasures (like disabling open switchports during switch configuration and VLAN configuration to limit network access) that are available to protect both the network and the information it contains, but such countermeasures must be applied uniformly to all network devices.Due to its availability and low cost, the use of wireless communication technologies increases in domains beyond the originally intended usage areas, e.g. Such industrial applications often have specific security requirements.Modern operating systems such as Linux, mac OS, or Microsoft Windows make it fairly easy to set up a PC as a wireless LAN "base station" using Internet Connection Sharing, thus allowing all the PCs in the home to access the Internet through the "base" PC.However, lack of knowledge among users about the security issues inherent in setting up such systems often may allow others nearby access to the connection.