Chapter 2 - 06 - Understand Wireless Network-specific Attacks
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Questions and Answers

What is the primary purpose of an Evil Twin attack?

  • To create a backdoor into a corporate network by mimicking a legitimate AP
  • To lure users into associating with a rogue AP, bypassing enterprise security policies (correct)
  • To intercept and decrypt sensitive data transmitted over a wireless network
  • To conduct a denial-of-service attack on a wireless network by overwhelming it with traffic

    • How does the KARMA tool facilitate an Evil Twin attack?

  • By passively listening to wireless probe request frames and adopting a commonly used SSID (correct)
  • By using a brute-force attack to crack the WEP/WPA encryption
  • By actively scanning for wireless probe request frames
  • By spoofing the MAC address of a legitimate AP

    • What is a common vulnerability in WLAN stations that can be exploited by an Evil Twin attack?

  • Weak passwords used for WPA encryption
  • Insufficient encryption protocols used for data transmission
  • Automatic reconnection to any previously used SSID (correct)
  • Lack of secure authentication protocols for wireless access

    • What type of attack is an Evil Twin attack most similar to?

    <p>Man-in-the-middle attack</p> Signup and view all the answers

    What is the primary motivation of an attacker using an Evil Twin attack?

    <p>To gain access to sensitive data transmitted over a wireless network</p> Signup and view all the answers

    What is the primary goal of an attacker using an evil twin attack?

    <p>To bypass enterprise security policies and gain access to network data</p> Signup and view all the answers

    What is the main vulnerability of an ad hoc Wi-Fi connection?

    <p>Lack of strong authentication and encryption</p> Signup and view all the answers

    What is the primary benefit of an evil twin attack for an attacker?

    <p>Access to network data without being detected by security policies</p> Signup and view all the answers

    What is the main risk of employees using public Wi-Fi networks with their corporate laptops?

    <p>Risk of data interception by an attacker using an evil twin attack</p> Signup and view all the answers

    What is the primary characteristic of an ad hoc Wi-Fi connection that makes it insecure?

    <p>It allows direct communication between devices without an AP</p> Signup and view all the answers

    What is the primary objective of a disassociation attack in a wireless network?

    <p>To make the victim unavailable to other wireless devices</p> Signup and view all the answers

    What type of attack can be launched by exploiting the relationships among the physical, data-link, and network layers in wireless networks?

    <p>Denial-of-Service attack</p> Signup and view all the answers

    What is the typical outcome of a de-authentication attack on a wireless network?

    <p>The client is still authenticated but no longer associated with the AP</p> Signup and view all the answers

    What is the purpose of sending 2.4 GHz jamming signals in a wireless network attack?

    <p>To disrupt the connectivity between the AP and client</p> Signup and view all the answers

    What is the tool used to launch a de-authentication attack, as shown in the figure?

    <p>Aireplay-ng</p> Signup and view all the answers

    What is a potential vulnerability of an ad-hoc network mode?

    <p>Inherent insecurity and lack of strong authentication or encryption</p> Signup and view all the answers

    What can an attacker do with an ad-hoc connection to compromise the security of an organization's wired LAN?

    <p>Use the ad-hoc connection to penetrate the wired LAN</p> Signup and view all the answers

    What is the primary effect of a jamming signal attack on a wireless network?

    <p>Denial of Service (DoS)</p> Signup and view all the answers

    What is a common method used by an attacker to conduct a jamming signal attack?

    <p>Sending 2.4 GHz jamming signals from a nearby location with a high-gain amplifier</p> Signup and view all the answers

    What is a potential security threat of an ad-hoc network mode?

    <p>Attacker forcing a network mode</p> Signup and view all the answers

    What is a primary vulnerability of 802.11 networks that rogue APs can exploit?

    <p>Ease of MAC address spoofing</p> Signup and view all the answers

    What is the primary goal of an attacker using a rogue AP in an 802.11 network?

    <p>To hijack network connections and eavesdrop on user data</p> Signup and view all the answers

    What information can be gathered from APs using wireless sniffing tools?

    <p>Authorized MAC addresses and security configurations</p> Signup and view all the answers

    What is the primary mechanism by which rogue APs connect to client NICs?

    <p>By authenticating with the help of SSIDs</p> Signup and view all the answers

    What is the primary risk of rogue APs in a corporate network environment?

    <p>Unauthorized access to sensitive network resources</p> Signup and view all the answers

    What is the primary goal of an attacker in a rogue AP attack?

    <p>To intercept sensitive information from the user</p> Signup and view all the answers

    How does an attacker use MAC spoofing in a rogue AP attack?

    <p>To mask as an authorized client and eavesdrop on sensitive information</p> Signup and view all the answers

    What is the result of a user connecting to a rogue AP?

    <p>All the user's traffic passes through the rogue AP, enabling wireless packet sniffing</p> Signup and view all the answers

    What is the primary vulnerability in WLAN stations that can be exploited by a rogue AP attack?

    <p>Users' tendency to connect to unfamiliar networks</p> Signup and view all the answers

    What type of attack is a rogue AP attack an example of?

    <p>Man-in-the-middle attack</p> Signup and view all the answers

    What is the primary goal of an attacker using bluesnarfing?

    <p>To gain unauthorized access to a device's contact list</p> Signup and view all the answers

    What is the main vulnerability of a device that allows bluesnarfing to occur?

    <p>Having its Bluetooth connection enabled and set to 'discoverable'</p> Signup and view all the answers

    What is the primary method used by attackers to exploit a device's Bluetooth connection?

    <p>Exploiting a vulnerability in the device's Bluetooth software</p> Signup and view all the answers

    What is the primary risk of using a device with an open and unencrypted Wi-Fi connection?

    <p>Exposure to all of the above</p> Signup and view all the answers

    What is the primary purpose of a MITM attack in a wireless network?

    <p>To intercept and compromise data transmitted between devices</p> Signup and view all the answers

    What is the primary method used by attackers to eavesdrop on data transmission between mobile devices?

    <p>Bluebugging</p> Signup and view all the answers

    What is the primary risk of accepting a Bluetooth connection request from a malicious device?

    <p>Exposure to all of the above</p> Signup and view all the answers

    What is the primary method used by attackers to compromise unencrypted data transmitted across untrusted networks?

    <p>Performing a MITM attack</p> Signup and view all the answers

    What is the primary goal of an attacker using techniques such as bluesnarfing and bluebugging?

    <p>To engage in identity fraud and other malicious activities</p> Signup and view all the answers

    What is the primary risk of using a device with its Bluetooth connection enabled and set to 'discoverable'?

    <p>Exposure to all of the above</p> Signup and view all the answers

    Study Notes

    Ad-Hoc Connection Attack

    • Ad-hoc networks allow data sharing among clients, but they are inherently insecure and lack strong authentication and encryption.
    • An attacker can easily connect to and compromise a client operating in ad-hoc mode.

    Jamming Signal Attack

    • Jamming signals can cause a DoS (Denial-of-Service) attack on wireless networks.
    • An attacker can send 2.4 GHz jamming signals to disrupt network communication.

    Evil Twin Attack

    • An evil twin is a rogue AP that pretends to be a legitimate AP by imitating its SSID.
    • Attackers set up an evil twin outside the corporate perimeter and lure users to sign in to the wrong AP.
    • Once associated, users may bypass enterprise security policies, giving attackers access to network data.

    Rogue AP Attack

    • A rogue AP can be used to hijack the connections of legitimate network users.
    • Unauthorized APs can allow anyone with an 802.11-equipped device to connect to a corporate network.
    • Attackers use rogue APs to hijack connections and gain access to network data.

    Bluesnarfing

    • Bluesnarfing is the theft of information from a wireless device through a Bluetooth connection.
    • Attackers can access the victim's contact list, emails, text messages, photos, and business data stored on the device.

    Disassociation and De-authentication Attacks

    • Disassociation attacks destroy the connectivity between the AP and client.
    • De-authentication attacks make the victim unavailable to other wireless devices.
    • Both attacks are forms of DoS attacks on wireless networks.

    MAC Spoofing

    • Attackers can spoof the MAC address of a wireless LAN client to masquerade as an authorized client.
    • This allows them to eavesdrop on sensitive information.

    Security Risks

    • Employees taking corporate laptops to public Wi-Fi networks pose a significant risk to company data.
    • Ad-hoc networks, evil twins, rogue APs, and other attacks can compromise enterprise security policies.

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    Related Documents

    Chapter 2 - 06 - Understand Wireless Network-specific Attacks_fax_ocred.pdf

    Description

    Learn about the Evil Twin attack, a type of Information Security attack where an attacker sets up a rogue Wi-Fi access point with the same SSID as a legitimate network. Understand how this attack can bypass enterprise security policies and gain access to network data. Prepare for the Certified Cybersecurity Technician Information Security Attacks Exam 212-82.

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