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Questions and Answers
What is a common method used during the reconnaissance phase of a network attack?
Which type of attack focuses on exploiting vulnerabilities in network services?
What type of information does a Whois database provide relevant to network reconnaissance?
Which of the following describes ICMP echo replies in the context of network reconnaissance?
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What is a primary goal of denial of service (DoS) attacks?
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In the context of network security, what would be an example of an access attack?
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What type of information gathering is characteristic of reconnaissance attacks?
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Which of the following is a tactic that might be used in reconnaissance attacks?
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Which technique is commonly used to gain information about a target network before launching an attack?
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What can be considered a best practice in defending against network attacks?
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Study Notes
Physical Break-in Techniques
- Accessing secured areas can be as simple as walking through the front door.
- Piggybacking enables unauthorized network access without the owner’s knowledge.
- Potential information gained includes network diagrams and connectivity details.
Low-Technology Reconnaissance
- Dumpster diving, used notably by hacker Kevin Mitnick, involves searching through trash for sensitive information.
- Known as “trashing,” this method can yield valuable data, including network diagrams and documentation.
- Common finds include post-it notes with passwords.
Access Attacks
- Access attacks are unauthorized attempts to gain computer or network resources.
- Goals include data retrieval, unauthorized access, and privilege escalation.
- Types of access attacks include password attacks and trust exploitation, often occurring in public wireless hotspot locations.
Man-in-the-Middle Attack
- Two varieties exist: active and passive.
- Active attacks not only intercept but also alter messages sent between parties.
- Passive attacks focus on capturing and logging communications without modification.
Denial of Service (DoS) Attacks
- DoS attacks target network availability, causing interruptions in service to users or applications.
- Victim resources, like websites, become inaccessible to legitimate users.
- Simple to execute even for unskilled attackers, these attacks pose significant risks to business operations.
Key Learning Outcomes
- Understanding various types of network attacks: reconnaissance attacks, access attacks, and DoS attacks.
- Awareness of best practices in network security to mitigate risks associated with these attacks.
Categorization of Network Attacks
- Network attacks can be grouped into three major types:
- Reconnaissance Attacks
- Access Attacks
- Denial of Service (DoS) Attacks
Reconnaissance Attacks
- Also known as information gathering, these attacks involve unauthorized mapping of systems and vulnerabilities.
- Function like a thief surveying neighborhoods for potential break-in targets.
- Serves as a precursor to access or DoS attacks, often involving steps such as ping sweeps and service discovery on active IP addresses.
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Description
Explore the various methods used in physical break-ins, including piggybacking and dumpster diving. This quiz covers essential reconnaissance techniques in infocomm security and their implications. Test your knowledge on securing information technology environments against physical threats.
