Which of the following offers the weakest form of encryption
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Wired Equivalent Privacy (WEP) is an acronym for Wired Equivalent Privacy. The aim of the 802.11 designers was to provide wireless users with a degree of protection comparable to that of a wired network. Unfortunately, WEP has proved to be much less safe than it was supposed to be.
WEP is divided into two types, each with a 64-bit or 128-bit key. The longer key provides a slight boost in security (but not as much as the larger number would imply). In reality, the user keys are 40bits and 104bits long, respectively, with a variable called the Initialization Vector occupying the remaining 24bits in each case (IV).
When a packet is to be sent, the IV and the secret key are combined to encrypt it. The IV for each packet is (theoretically) unique, but the secret key remains constant. The resulting packet data appears to be random, rendering the original message unreadable to someone who does not have the key. To retrieve the message in plain text, the receiving station reverses the encryption process.
Random keys are used by several manufacturers. This isn’t the most effective way to prevent reuse. Starting with one key and rising by one for each subsequent key is a better approach. Unfortunately, several machines default to the same value at initialization and then repeat the same sequence, resulting in a large number of duplicate values for hackers to manipulate.
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Since the 1990s, WiFi protection algorithms have undergone numerous changes and enhancements in order to become more reliable and efficient. For the safety of home wireless networks, various types of wireless security protocols have been developed. WEP, WPA, and WPA2 are wireless security protocols that have the same goal but are different at the same time.
Wireless networks, no matter how safe and encrypted they are, cannot keep up with wired networks in terms of protection. At its most simple level, the latter transmit data between two points, A and B, which are linked by a network cable. Wireless networks broadcast data within their range in any direction to every connected computer that happens to be listening to transmit data from point A to point B.
In September 1999, WEP was certified as a Wi-Fi protection standard after being designed for wireless networks. WEP was supposed to have the same degree of protection as wired networks, but it has a number of well-known security flaws and is also easy to break and customize.
Despite all of the improvements made to the WEP scheme, it remains a highly fragile solution. In the event that a security update is not feasible, systems that depend on this protocol should be updated or replaced. The Wi-Fi Alliance formally left WEP in 2004.
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From computers and phones to IP cameras, smart TVs, and connected appliances, today’s home network can include a wide range of wireless devices. Taking simple measures to secure your home network will help protect your devices – and your data – from being hacked.
In order to go wireless, you’ll need to connect an internet “connection point” – such as a cable or DSL modem – to a wireless router, which sends a signal through the air, often hundreds of feet away. Any computer within range will pick up the signal and connect to the internet.
Anyone in the vicinity can use your network unless you take some precautions. That means your neighbors – or any nearby hacker – might access information on your computer or “piggyback” on your network. The activity may be tracked back to your account if an unauthorized person uses your network to commit crime or send spam.
When you’ve gone wireless, you can encrypt the data you send through your network so that attackers in the area can’t listen in on your conversations. Encryption converts the information you send into a secret that no one else can read. The most powerful way to protect your network from intruders is to use encryption.
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Wireless protection, which includes Wi-Fi networks, is the prevention of unauthorized access or damage to computers or data through wireless networks. Wi-Fi protection, which includes Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access, is the most common kind (WPA). WEP is a notoriously unreliable security standard: the password it uses can often be broken in a matter of minutes using a simple laptop computer and readily available software resources. WEP, or Wi-Fi Protected Access, is an old IEEE 802.11 standard from 1997 that was superseded by WPA, or Wi-Fi Protected Access, in 2003. WPA offered a fast way to boost protection over WEP. WPA2 is the new standard; however, some hardware does not support WPA2 without requiring a firmware update or replacement. WPA2 employs an encryption system that encrypts the network with a 256-bit key, which is more secure than WEP. To authenticate the connecting computer, businesses often use a certificate-based method, which follows the standard 802.11X.