Jane invites her friends Alice and John over for a LAN party. Alice and John access Jane's wireless network without a password . However, Jane has a long, complex password on her router. What attack has likely occurred? | Infosavvy Security and IT Management Training

Jane invites her friends Alice and John over for a LAN party. Alice and John access Jane’s wireless network without a password . However, Jane has a long, complex password on her router. What attack has likely occurred?

Option 1 : Wireless sniffing
Option 2 : Wardriving
Option 3 : Piggybacking
Option 4 : Evil twin

1. Wireless sniffing

A wireless sniffer may be a sort of packet analyzer. A packet analyzer (also referred to as a packet sniffer) may be a piece of software or hardware designed to intercept data because it is transmitted over a network and decode the info into a format that’s readable for humans. Wireless sniffers are packet analyzers specifically created for capturing data on wireless networks. Wireless sniffers also are commonly mentioned as wireless packet sniffers or wireless network sniffers.
Wireless sniffer tools have many uses in commercial IT environments. Their ability to watch , intercept, and decode data because it is in transit makes them useful for:
• Diagnosing and investigating network problems
• Monitoring network usage, activity, and security
• Discovering network misuse, vulnerabilities, malware, and attack attempts
• Filtering network traffic
• Identifying configuration issues and network bottlenecks
• Wireless Packet Sniffer Attacks
While wireless packet sniffers are valuable tools for maintaining wireless networks, their capabilities make them popular tools for malicious actors also . Hackers can use wireless sniffer software to steal data, spy on network activity, and gather information to use in attacking the network. Logins (usernames and passwords) are quite common targets for attackers using wireless sniffer tools. Wireless network sniffing attacks usually target unsecure networks, like free WiFi publicly places (coffee shops, hotels, airports, etc).
Wireless sniffer tools also are commonly utilized in “spoofing” attacks. Spoofing may be a sort of attack where a malicious party uses information obtained by a wireless sniffer to impersonate another machine on the network. Spoofing attacks often target business’ networks and may be wont to steal sensitive information or run man-in-the-middle attacks against network hosts.
There are two modes of wireless sniffing: monitor mode and promiscuous mode. In monitor mode, a wireless sniffer is in a position to gather and skim incoming data without sending any data of its own. A wireless sniffing attack in monitor mode are often very difficult to detect due to this. In promiscuous mode, a sniffer is in a position to read all data flowing into and out of a wireless access point. Since a wireless sniffer in promiscuous mode also sniffs outgoing data, the sniffer itself actually transmits data across the network. This makes wireless sniffing attacks in promiscuous mode easier to detect. it’s more common for attackers to use promiscuous mode in sniffing attacks because promiscuous mode allows attackers to intercept the complete range of knowledge flowing through an access point.

Preventing Wireless Sniffer Attacks

There are several measures that organizations should fancy mitigate wireless packet sniffer attacks. First off, organizations (and individual users) should refrain from using insecure protocols. Commonly used insecure protocols include basic HTTP authentication, File Transfer Protocol (FTP), and Telnet. Secure protocols like HTTPS, Secure File Transfer Protocol (SFTP), and Secure Shell (SSH) should be utilized in place of their insecure alternatives when possible. Secure protocols make sure that any information transmitted will automatically be encrypted. If an insecure protocol must be used, organizations themselves got to encrypt any data which will be sent using that protocol. Virtual Private Networks (VPNs) are often wont to encrypt internet traffic and are a well-liked tool for organizations today.
Additionally to encrypting information and using secure protocols, companies can prevent attacks by using wireless sniffer software to smell their own networks. this enables security teams to look at their networks from an attacker’s perspective and find out sniffing vulnerabilities and attacks ongoing . While this method won’t be effective in discovering wireless network sniffers in monitor mode, it’s possible to detect sniffers in promiscuous mode (the preferred mode for attackers) by sniffing your own network.

Tools for Detecting Packet Sniffers

Wireless sniffer software programs frequently include features like intrusion and hidden network detection for helping organizations discover malicious sniffers on their networks. additionally to using features that are built into wireless sniffer tools, there are many aftermarket tools available that are designed specifically for detecting sniffing attacks. These tools typically perform functions like monitoring network traffic or scanning network cards in promiscuous mode to detect wireless network sniffers. There are dozens of options (both paid and open source) for sniffer detection tools, so organizational security teams will got to do some research before selecting the proper tool for his or her needs.

2. Wardriving

Have you ever noticed how your smartphone sometimes tells you there’s a wireless network available, and asks if you would like to attach to it? That’s because, when your smartphone’s wireless capability is turned on, it’s constantly scanning for WiFi, so it picks abreast of them once you happen to steer , ride, or drive past an available network. during a nutshell, that’s what wardriving is, and there’s even software out there to assist people roll in the hay .
When wardriving, people may look for WiFi networks by driving around during a moving vehicle, often employing a GPS device to record the situation of any wireless networks they find. They then upload this data to specific websites that process the knowledge to make digital maps of the networks within the neighborhood. This isn’t necessarily a malicious act, neither is it illegal. In fact, there was some controversy when Google admitted to having gathering WiFi data while taking video footage and geolocation information to create out its Street View application, but the action itself wasn’t ruled to possess been an illegal violation of privacy.
The main thing to notice is that, if you provide a WiFi network (even your private home network for private use only), you would like to guard it with strong passwords and network encryption. Otherwise, anyone driving your around your neighborhood could hop onto your network and commit all manner of internet atrocities employing a connection that’s registered to you. And if their nefarious activities get tracked, enforcement might come knocking on your door, albeit you were innocent of the pc crime.

3. Piggybacking

Piggybacking, during a wireless communications context, is that the unauthorized access of a wireless LAN. Piggybacking is usually mentioned as “Wi-Fi squatting.”
The usual purpose of piggybacking is just to realize free network access instead of any malicious intent, but it can hamper data transfer for legitimate users of the network. Furthermore, a network that’s susceptible to piggybacking for network access is equally vulnerable when the aim is data theft, dissemination of viruses, or another illicit activity.
It’s quite simple to access an unsecured wireless network: All you’ve got to try to to is get into the range of a Wi-Fi hotspot’s signal and choose your chosen network from the choices presented. However, unauthorized network access, even to free Wi-Fi, could also be illegal. People are fined for accessing hot spots from outside businesses, like coffee shops, that provide free Wi-Fi for customers’ use.
To protect your network from piggybacking, make sure that encryption is enabled for your router. Use Wireless Encryption Protocol (WEP) if that’s your only option, but if possible use Wireless Protected Access (WPA) or WPA2. Use a robust password for your encryption key, consisting of a minimum of 14 characters and mixing letters and numbers.

4. Evil twin

An evil twin may be a fraudulent Wi-Fi access point that appears to be legitimate but is about up to pay attention to wireless communications.[1] The evil twin is that the wireless LAN equivalent of the phishing scam.
This type of attack could also be wont to steal the passwords of unsuspecting users, either by monitoring their connections or by phishing, which involves fixing a fraudulent internet site and luring people there.
The attacker snoops on Internet traffic employing a bogus wireless access point. Unwitting web users could also be invited to log into the attacker’s server, prompting them to enter sensitive information like usernames and passwords. Often, users are unaware they need been duped until well after the incident has occurred.
When users log into unsecured (non-HTTPS) bank or e-mail accounts, the attacker intercepts the transaction, since it’s sent through their equipment. The attacker is additionally ready to hook up with other networks related to the users’ credentials.
Fake access points are found out by configuring a wireless card to act as an access point (known as HostAP). they’re hard to trace since they will be shut off instantly. The counterfeit access point could also be given an equivalent SSID and BSSID as a close-by Wi-Fi network. The evil twin are often configured to pass Internet traffic through to the legitimate access point while monitoring the victim’s connection, or it can simply say the system is temporarily unavailable after obtaining a username and password.

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Jane invites her friends Alice and John over for a LAN party. Alice and John access Jane’s wireless network without a password . However, Jane has a long, complex password on her router. What attack has likely occurred?