Combine a number of security measures

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: configuring authorised devices to match that IP range could greatly reduce the risk of casual intrusion.

Every Wi-Fi access point and router comes with a default SSID (or name), which is broadcasted over the Wi-Fi network to facilitate roaming. For added security, the default SSID should be changed. In case roaming is not required, it should be disabled. Today, most of the new access points and routers come bundled with a firewall option, which should remain enabled. Also, it is a good idea to install and run a personal firewall on each computer connecting to the access point.

Lastly, access points and routers have the option to log various activities of the computers that request for access. These could provide critical data about a Wi-Fi network, prove vital in tracking security breach and hence should be monitored regularly.

The Telecom Regulatory Authority of India (Trai) has now asked the department of telecom to instruct all internet service providers to educate their customers to take ‘proper authentication measures,’ while using Wi-Fi. Also, the Computer Emergency Response Team (CERT-in) is in the process of formulating guidelines to secure Wi-Fi networks in the government departments.