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Questions and Answers
What is a key component of a high-availability network?
What is a key component of a high-availability network?
- Vulnerability scanning (correct)
- Firewall configuration
- Single sign-on
- Network segmentation
Why is a bastion host the most secure method for providing administrative access to internal resources?
Why is a bastion host the most secure method for providing administrative access to internal resources?
- It does not require strong authentication and encryption
- It provides multiple points of control and defense
- It minimizes the traffic allowed through the security boundary (correct)
- It allows all types of traffic through the security boundary
What is the primary purpose of a bastion host?
What is the primary purpose of a bastion host?
- To block all incoming and outgoing traffic
- To provide weak authentication and encryption
- To allow all types of traffic through the security boundary
- To provide a single point of control and defense (correct)
What type of server is a bastion host?
What type of server is a bastion host?
Where is a bastion host typically placed?
Where is a bastion host typically placed?
What type of traffic can a bastion host be configured to allow?
What type of traffic can a bastion host be configured to allow?
What type of security software can a bastion host run?
What type of security software can a bastion host run?
What is the purpose of logging all activities on a bastion host?
What is the purpose of logging all activities on a bastion host?
What type of data can endpoint logs provide for security analysts?
What type of data can endpoint logs provide for security analysts?
What is the primary function of a content filter?
What is the primary function of a content filter?
What would be the solution to users being unable to access a website due to a content filter?
What would be the solution to users being unable to access a website due to a content filter?
What type of information can endpoint logs record about executable files?
What type of information can endpoint logs record about executable files?
What is the purpose of a web filter?
What is the purpose of a web filter?
Why would a content filter block a website?
Why would a content filter block a website?
What would a web filter scan a URL for?
What would a web filter scan a URL for?
What can endpoint logs provide information about?
What can endpoint logs provide information about?
What is a compensating control in security?
What is a compensating control in security?
What is a program that rewards security researchers for finding and reporting vulnerabilities in an application or system?
What is a program that rewards security researchers for finding and reporting vulnerabilities in an application or system?
What is the purpose of a host-based firewall?
What is the purpose of a host-based firewall?
What is required for an organization to properly manage its restore process in the event of system failure?
What is required for an organization to properly manage its restore process in the event of system failure?
What type of attack involves using text messages or common messaging apps to trick victims into clicking on malicious links or providing personal information?
What type of attack involves using text messages or common messaging apps to trick victims into clicking on malicious links or providing personal information?
What is the term used to describe the use of unauthorized or unapproved IT resources within an organization?
What is the term used to describe the use of unauthorized or unapproved IT resources within an organization?
What is a disaster recovery plan (DRP)?
What is a disaster recovery plan (DRP)?
What is the main goal of a bug bounty program?
What is the main goal of a bug bounty program?
What is likely occurring if an internal system is sending a large amount of unusual DNS queries to systems on the internet over short periods of time during non-business hours?
What is likely occurring if an internal system is sending a large amount of unusual DNS queries to systems on the internet over short periods of time during non-business hours?
What is the purpose of a compensating control in a legacy Linux system?
What is the purpose of a compensating control in a legacy Linux system?
What is the term used to describe a type of phishing attack that uses voice calls?
What is the term used to describe a type of phishing attack that uses voice calls?
What is the risk of using unauthorized or unapproved IT resources within an organization?
What is the risk of using unauthorized or unapproved IT resources within an organization?
What is a characteristic of a legacy Linux system?
What is a characteristic of a legacy Linux system?
What is the primary goal of a disaster recovery plan (DRP)?
What is the primary goal of a disaster recovery plan (DRP)?
What is the term used to describe a type of attack that involves tricking victims into clicking on malicious links or providing personal information?
What is the term used to describe a type of attack that involves tricking victims into clicking on malicious links or providing personal information?
What is the benefit of using a bug bounty program?
What is the benefit of using a bug bounty program?
What is the primary purpose of the chain of custody process?
What is the primary purpose of the chain of custody process?
What type of security controls are designed to protect human life and physical assets from harm or damage?
What type of security controls are designed to protect human life and physical assets from harm or damage?
What should safety controls be set up to do in case of a failure?
What should safety controls be set up to do in case of a failure?
What is the severity of the vulnerability reported in the vulnerability scanning report?
What is the severity of the vulnerability reported in the vulnerability scanning report?
What is the result of the test performed by the security analyst using the nmap command?
What is the result of the test performed by the security analyst using the nmap command?
What can be concluded about the reported vulnerability based on the test result?
What can be concluded about the reported vulnerability based on the test result?
What is the primary purpose of vulnerability scanning?
What is the primary purpose of vulnerability scanning?
What type of security control should be set up to fail closed in case of a failure?
What type of security control should be set up to fail closed in case of a failure?
Flashcards
What is a bastion host?
What is a bastion host?
A special-purpose server that provides secure access to internal resources while minimizing traffic allowed through the security boundary.
What is a Disaster Recovery Plan (DRP)?
What is a Disaster Recovery Plan (DRP)?
A set of policies and procedures for restoring normal operations after a system failure, natural disaster, or other emergency.
What is a compensating control?
What is a compensating control?
A security measure that reduces risk when a primary control cannot be implemented.
What is a bug bounty program?
What is a bug bounty program?
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What is smishing?
What is smishing?
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What is shadow IT?
What is shadow IT?
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What is an endpoint log?
What is an endpoint log?
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What is a content filter?
What is a content filter?
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What is chain of custody?
What is chain of custody?
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What are safety controls?
What are safety controls?
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What is a vulnerability scanning report?
What is a vulnerability scanning report?
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How to secure a high-availability network?
How to secure a high-availability network?
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Give an example of a compensating control.
Give an example of a compensating control.
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What are some aspects of chain of custody?
What are some aspects of chain of custody?
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What is the importance of safety control design?
What is the importance of safety control design?
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Give an example of a vulnerability scanning report.
Give an example of a vulnerability scanning report.
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What should be a core part of a risk assessment process?
What should be a core part of a risk assessment process?
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What is ethical hacking?
What is ethical hacking?
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Study Notes
High-Availability Network
- A high-availability network should have processes and tools for risk assessment, threat intelligence, vulnerability scanning, and penetration testing to identify and mitigate weaknesses or gaps in network security.
Secure Access to Internal Resources
- A bastion host is a special-purpose server that provides secure access to internal resources while minimizing traffic allowed through the security boundary.
- A bastion host is usually placed on the edge of a network, acting as a gateway or proxy to the internal network.
- It can be configured to allow only certain types of traffic and block all other traffic.
- It can also run security software such as firewalls, intrusion detection systems, and antivirus programs to monitor and filter incoming and outgoing traffic.
Compensating Control
- A compensating control is a security measure that mitigates the risk of a vulnerability or weakness that cannot be resolved by the primary control.
- It does not prevent or eliminate the vulnerability or weakness, but reduces the likelihood or impact of an attack.
- Example: A host-based firewall on a legacy Linux system that allows connections from only specific internal IP addresses is a compensating control.
Disaster Recovery Plan
- A disaster recovery plan (DRP) is a set of policies and procedures that aim to restore normal operations of an organization in the event of a system failure, natural disaster, or other emergency.
Bug Bounty Program
- A bug bounty program is a program that rewards security researchers for finding and reporting vulnerabilities in an application or system.
- It is used by companies to improve their security posture and incentivize ethical hacking.
Smishing Attack
- Smishing is a type of phishing attack that uses text messages or common messaging apps to trick victims into clicking on malicious links or providing personal information.
Shadow IT
- Shadow IT refers to the use of unauthorized or unapproved IT resources within an organization.
- Example: A marketing department setting up its own project management software without telling the appropriate departments.
Endpoint Log
- An endpoint log is a file that contains information about the activities and events that occur on an end-user device, such as a laptop, desktop, tablet, or smartphone.
- It can provide valuable data for security analysts, such as the processes running on the device, the network connections established, the files accessed or modified, and the user actions performed.
Content Filter
- A content filter is a device or software that blocks or allows access to web content based on predefined rules or categories.
- Example: A content filter blocking a new retail website because it is mistakenly categorized as gambling.
Chain of Custody
- Chain of custody is the process of documenting and preserving the integrity of evidence collected during an incident response.
- It involves recording the details of each person who handled the evidence, the time and date of each transfer, and the location where the evidence was stored.
Safety Controls
- Safety controls are security controls that are designed to protect human life and physical assets from harm or damage.
- Example: Safety controls should be designed to fail open in case of an emergency.
Vulnerability Scanning Report
- A vulnerability scanning report provides information about potential vulnerabilities in a system or network.
- Example: A report showing an open Telnet port with a high severity vulnerability, but further testing reveals that the Telnet server supports encryption, making it a false positive.
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Description
Learn about the importance of risk assessment, threat intelligence, and penetration testing in ensuring a high-availability network. This chapter covers the key concepts of network security architecture and design.