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What Is Wi-Fi Protected Access?

Malcolm Tatum
Updated May 17, 2024
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Wi-Fi protected access is a strategy for protecting the integrity of wireless services, both in terms of making sure the wireless service connects with authorized equipment such as desktop and laptop computers, notebooks, mobile phones and even Internet-enabled tablets. Also known simply as WPA, Wi-Fi protected access makes use of encryption and authentication protocols to prevent unauthorized users from accessing the wireless connection and using it without the express permission of the consumer who is paying for that service. This approach is commonly employed in many business settings as well as becoming popular with residential users who prefer to limit access to their Internet connection to only devices associated with the home network.

The basic function of Wi-Fi protected access involves setting up access protocols on devices that the user wishes to utilize when connecting to the Internet. While methods vary, this process can involve utilizing software supplied by an Internet provider to establish the user’s network. For example, a home network using wireless service would possibly make use of a desktop computer to load the software and configure the parameters of that network. As part of the process, the wireless modem would be configured with security codes that must be employed by other devices in order to connect to that network. If the user wishes to add a laptop, tablet, or other device, it is necessary for that device to have wireless capability and for those security codes to be entered on those devices before the connection can take place.

For a home user, employing Wi-Fi protected access means that unauthorized users cannot gain access to the wireless connection and use the service without permission. This approach helps to eliminate one of the issues that came to the forefront when wireless Internet connections were first offered to consumers, in that strangers could sit in their cars on the street outside a home equipped with wireless Internet services and hop onto those networks and use them at will. WPA eliminates the potential for this type of activity, and also helps to prevent innocent people from being convicted of crimes perpetrated by criminals using unauthorized access to those connections.

While other methods of protecting connections have been available in the past, Wi-Fi protected access is considered one of the most stable and reliable solutions available today. Since the access is protected with security codes, it is possible for businesses and residential users to provide those codes for temporary use to visitors if they so desire. This allows the Wi-Fi customer to enjoy both the benefits of knowing no one is using the connection without permission while also allowing the flexibility to allow someone access to the network at the discretion of the individual or firm actually paying for the access.

WiseGeek is dedicated to providing accurate and trustworthy information. We carefully select reputable sources and employ a rigorous fact-checking process to maintain the highest standards. To learn more about our commitment to accuracy, read our editorial process.
Malcolm Tatum
By Malcolm Tatum , Writer
Malcolm Tatum, a former teleconferencing industry professional, followed his passion for trivia, research, and writing to become a full-time freelance writer. He has contributed articles to a variety of print and online publications, including WiseGeek, and his work has also been featured in poetry collections, devotional anthologies, and newspapers. When not writing, Malcolm enjoys collecting vinyl records, following minor league baseball, and cycling.

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Malcolm Tatum

Malcolm Tatum


Malcolm Tatum, a former teleconferencing industry professional, followed his passion for trivia, research, and writing...
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