Tag: security

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Wireless network security is a very big topic as we always seem to be connected on our computers and mobile devices

Wireless network security is a very big topic as we always seem to be connected on our computers and mobile devices. There are a number of possible attack vectors which can give a bad actor access to or visibility of a connected device. 

For this discussion, in a 150-200-word response, supported by reliable, outside, academic or peer-reviewed information: 

Research a current security risk impacting mobile devices or computers connected over WiFi networks. 

Address where the risks exist and recommendations for protecting devices.

Remember to properly identify, cite, and reference your resources in APA 7th Edition style.

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Hardening a system provides an additional layer of security by removing access and possible vulnerabilities from the system

Assessment Description

Hardening a system provides an additional layer of security by removing access and possible vulnerabilities from the system. Security principles such as deter, deny, delay, and detect are used to reduce attack surfaces and possible vectors. Reference the “System Hardening” CYB-515 video (located in the Class Resources) as needed to complete the lab.

Provide screenshots of each step in Part 1. On each screenshot, include 1-2 sentences that summarize what the screenshot is illustrating. For Part 2, provide screenshots of the results. All the screenshots will be used to manage network configuration and sessions to ensure port security that will harden the Windows Server.

Part 1

In the virtual sandbox environment, you will perform the steps to harden a Linux distribution by doing the following:

  • Add a Linux OS VM (Ubuntu, Kali, Parrot, or SecurityOnion).
  • On the Linux VM, open a terminal and run apt-get install lynis
  • To run Lynis, navigate to the correct directory and add ‘./’ in front of the command: ./lynis
  • Run a basic scan. This may take several minutes.
  • $ lynis audit system

Part 2

Access the Windows Server VM and perform the following hardening steps:

  • Disable automatic administrative logon to the recovery console.
  • Set a BIOS/firmware password to prevent unauthorized changes to the server startup settings.
  • Configure the device boot order to prevent unauthorized booting from alternate media.
  • Enable the Windows firewall in all profiles (domain, private, public) and configure it to block inbound traffic by default.
  • Perform port blocking at the network setting level. Perform an analysis to determine which ports need to be open and restrict access to all other ports.
  • Disable NetBIOS over TCP/IP and remove ncacn_ip_tcp.
  • Check the Windows Defender settings.
  • Configure allowable encryption types for Kerberos.
  • Do not store LAN Manager hash values.
  • Set the LAN Manager authentication level to allow only NTLMv2 and refuse LM and NTLM.
  • Remove file and print sharing from network settings. File and print sharing could allow anyone to connect to a server and access critical data without requiring a user ID or password.
  • Disable unneeded services. Most servers have the default install of the operating system, which often contains extraneous services that are not needed for the system to function and that represent a security vulnerability. Therefore, it is critical to remove all unnecessary services from the system.
  • Remove unneeded Windows components. Any unnecessary Windows components should be removed from critical systems to keep the servers in a secure state.
  • Enable the built-in Encrypting File System (EFS) with NTFS or BitLocker on Windows Server.
  • Install an open-source antivirus program of your choice
  • Run your antivirus program against your machine

Part 3

Examine the antivirus program you installed. Research potential faults and vulnerabilities within the program, including the open-source nature of the program.

Write a 750-1000-word lab report that includes a title page, table of contents, overview, and the required screenshots with summaries.

Describe the strengths and weaknesses associated with the open-source antivirus program you installed running in an enterprise network.

While APA style is not required for the body of this assignment, solid academic writing is expected, and documentation of sources should be presented using APA formatting guidelines, which can be found in the APA Style Guide, located in the Student Success Center.  

This assignment uses a rubric. Review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.  

You are not required to submit this assignment to LopesWrite.

The similitude score has to be at least 20%

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Writers Solution

Hardening a system provides an additional layer of security by removing access and possible vulnerabilities from the system

Assessment Description

Hardening a system provides an additional layer of security by removing access and possible vulnerabilities from the system. Security principles such as deter, deny, delay, and detect are used to reduce attack surfaces and possible vectors. Reference the “System Hardening” CYB-515 video (located in the Class Resources) as needed to complete the lab.

Provide screenshots of each step in Part 1. On each screenshot, include 1-2 sentences that summarize what the screenshot is illustrating. For Part 2, provide screenshots of the results. All the screenshots will be used to manage network configuration and sessions to ensure port security that will harden the Windows Server.

Part 1

In the virtual sandbox environment, you will perform the steps to harden a Linux distribution by doing the following:

  • Add a Linux OS VM (Ubuntu, Kali, Parrot, or SecurityOnion).
  • On the Linux VM, open a terminal and run apt-get install lynis
  • To run Lynis, navigate to the correct directory and add ‘./’ in front of the command: ./lynis
  • Run a basic scan. This may take several minutes.
  • $ lynis audit system

Part 2

Access the Windows Server VM and perform the following hardening steps:

  • Disable automatic administrative logon to the recovery console.
  • Set a BIOS/firmware password to prevent unauthorized changes to the server startup settings.
  • Configure the device boot order to prevent unauthorized booting from alternate media.
  • Enable the Windows firewall in all profiles (domain, private, public) and configure it to block inbound traffic by default.
  • Perform port blocking at the network setting level. Perform an analysis to determine which ports need to be open and restrict access to all other ports.
  • Disable NetBIOS over TCP/IP and remove ncacn_ip_tcp.
  • Check the Windows Defender settings.
  • Configure allowable encryption types for Kerberos.
  • Do not store LAN Manager hash values.
  • Set the LAN Manager authentication level to allow only NTLMv2 and refuse LM and NTLM.
  • Remove file and print sharing from network settings. File and print sharing could allow anyone to connect to a server and access critical data without requiring a user ID or password.
  • Disable unneeded services. Most servers have the default install of the operating system, which often contains extraneous services that are not needed for the system to function and that represent a security vulnerability. Therefore, it is critical to remove all unnecessary services from the system.
  • Remove unneeded Windows components. Any unnecessary Windows components should be removed from critical systems to keep the servers in a secure state.
  • Enable the built-in Encrypting File System (EFS) with NTFS or BitLocker on Windows Server.
  • Install an open-source antivirus program of your choice
  • Run your antivirus program against your machine

Part 3

Examine the antivirus program you installed. Research potential faults and vulnerabilities within the program, including the open-source nature of the program.

Write a 750-1000-word lab report that includes a title page, table of contents, overview, and the required screenshots with summaries.

Describe the strengths and weaknesses associated with the open-source antivirus program you installed running in an enterprise network.

While APA style is not required for the body of this assignment, solid academic writing is expected, and documentation of sources should be presented using APA formatting guidelines, which can be found in the APA Style Guide, located in the Student Success Center.  

This assignment uses a rubric. Review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.  

You are not required to submit this assignment to LopesWrite.

The similitude score has to be at least 20%

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Writers Solution

Hardening a system provides an additional layer of security by removing access and possible vulnerabilities from the system

Assessment Description

Hardening a system provides an additional layer of security by removing access and possible vulnerabilities from the system. Security principles such as deter, deny, delay, and detect are used to reduce attack surfaces and possible vectors. Reference the “System Hardening” CYB-515 video (located in the Class Resources) as needed to complete the lab.

Provide screenshots of each step in Part 1. On each screenshot, include 1-2 sentences that summarize what the screenshot is illustrating. For Part 2, provide screenshots of the results. All the screenshots will be used to manage network configuration and sessions to ensure port security that will harden the Windows Server.

Part 1

In the virtual sandbox environment, you will perform the steps to harden a Linux distribution by doing the following:

  • Add a Linux OS VM (Ubuntu, Kali, Parrot, or SecurityOnion).
  • On the Linux VM, open a terminal and run apt-get install lynis
  • To run Lynis, navigate to the correct directory and add ‘./’ in front of the command: ./lynis
  • Run a basic scan. This may take several minutes.
  • $ lynis audit system

Part 2

Access the Windows Server VM and perform the following hardening steps:

  • Disable automatic administrative logon to the recovery console.
  • Set a BIOS/firmware password to prevent unauthorized changes to the server startup settings.
  • Configure the device boot order to prevent unauthorized booting from alternate media.
  • Enable the Windows firewall in all profiles (domain, private, public) and configure it to block inbound traffic by default.
  • Perform port blocking at the network setting level. Perform an analysis to determine which ports need to be open and restrict access to all other ports.
  • Disable NetBIOS over TCP/IP and remove ncacn_ip_tcp.
  • Check the Windows Defender settings.
  • Configure allowable encryption types for Kerberos.
  • Do not store LAN Manager hash values.
  • Set the LAN Manager authentication level to allow only NTLMv2 and refuse LM and NTLM.
  • Remove file and print sharing from network settings. File and print sharing could allow anyone to connect to a server and access critical data without requiring a user ID or password.
  • Disable unneeded services. Most servers have the default install of the operating system, which often contains extraneous services that are not needed for the system to function and that represent a security vulnerability. Therefore, it is critical to remove all unnecessary services from the system.
  • Remove unneeded Windows components. Any unnecessary Windows components should be removed from critical systems to keep the servers in a secure state.
  • Enable the built-in Encrypting File System (EFS) with NTFS or BitLocker on Windows Server.
  • Install an open-source antivirus program of your choice
  • Run your antivirus program against your machine

Part 3

Examine the antivirus program you installed. Research potential faults and vulnerabilities within the program, including the open-source nature of the program.

Write a 750-1000-word lab report that includes a title page, table of contents, overview, and the required screenshots with summaries.

Describe the strengths and weaknesses associated with the open-source antivirus program you installed running in an enterprise network.

While APA style is not required for the body of this assignment, solid academic writing is expected, and documentation of sources should be presented using APA formatting guidelines, which can be found in the APA Style Guide, located in the Student Success Center.  

This assignment uses a rubric. Review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.  

You are not required to submit this assignment to LopesWrite.

The similitude score has to be at least 20%

Assignment Status: Solved By Our Experts.

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What is the difference between active and passive security threats?

In order to complete assignment #1 you will need to answer the below questions. Please complete the questions in a Word document and then upload the assignment for grading. Use examples from the readings, lecture notes and outside research to support your answers. All questions must answered with viable support and detail.  Your answer cannot simply be a cited source answering the question.  

This assignment is a summative assessment for Course Objective 1.

1. What is the difference between active and passive security threats?
2. List and briefly define 3 categories of passive and active security attacks.
3. List and briefly define at least 3 categories of security services.
4. List and briefly define at least 3 categories of security mechanisms.
5. Create a matrix highlighting the relationship between the security services and the mechanisms listed in questions 3 and 4. Place services to the left (vertically), the mechanism to the right (horizontally), then place an X for the applicable mechanisms to the services.
6. What are the essential differences of a symmetric cipher?
7. How many keys are required for two people to communicate via a symmetric cipher?
8. What is triple encryption?
9. List ways in which secret keys can be distributed to two communicating parties.
10. What are the fundamental differences between AES, DES, and 3DES?

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Digital Footprint: Privacy vs. Security Subscribe

Digital Footprint: Privacy vs. Security Subscribe

Description: 

In the news we are constantly hearing about security breaches, invasion of personal privacy, and the increasing prevalence of our digital footprint. The increased availability of digital information presents concerns and challenges of privacy, accuracy, intellectual property rights, security, and censorship. As a global citizen, you need to be aware of these issues and how they impact your life (CO6).

Your instructor will set-up two (2) conversation groups this week in which you will select one topic to discuss which interests you.

  • Conversation Group: Privacy
    • Privacy, as it relates to social media, video surveillance, drones, digital footprint or other topics as they relate to digital privacy.
    • How does the electronic environment impact one’s right to privacy?
  • Conversation Group: Security
    • Security, as it relates to social media, video surveillance, drones, digital footprint or other topics as they relate to digital privacy.
    • How does the electronic environment impact one’s personal security?

Using the Richard G. Trefry Library or another credible source, locate and read a quality article regarding digital privacy or security. Be sure to provide attribution for your source in the forum. As you are formulating your initial post consider the following questions:

  • What is the issue? Tell us about it as if we know nothing on the topic.
  • What are the pros and cons of the issue?
  • Why is the issue important?
  • How might the issue impact your life?

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Writers Solution

CYBER SECURITY and how it can impact today’s healthcare system and the future

 Topic is on CYBER SECURITY and how it can impact today’s healthcare system and the future; Start by reading and following these instructions:

Create your Assignment submission and be sure to cite your sources, use APA style as required, and check your spelling.

Assignment:

Recommendations Document

Due Week 6

(100 pts)

Main Assignment

  • Recommendations Document

The 1250 to 1500-word deliverable for this week is an initial draft of your recommendations. Note that this is a working document and may be modified based on insights gained in module eight and your professor’s feedback. This document should contain the following elements:

  1. Summary of your problem or opportunity definition
  2. A list of possible recommendation alternatives. In this section, you are not yet at the point of suggesting the best set of recommendations but you are trying to be creative and explore all the different ways that the problem or opportunity might best be addressed. The end result here will be a list of alternatives among which you will choose your final recommendations.
  3. Delineation of your suggested actions and recommendations and your initial thinking about the reasons why such recommendations are the best approaches in your present project.
  4. Delineation of some of the kinds of metrics that would show that you have been successful. Here is a great place for integrating SMART goals (Specific, Measurable, Achievable, Relevant, Time-bound) as one kind of metric. To learn more about SMART goals, click here. However, your metrics should not be restricted to just SMART goals. What other metrics would help you and the criminal justice entity know that your plan has worked?

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violations of Internet security that have occurred over the past five years

Research and identify three (3) large scale hacks or violations of Internet security that have occurred over the past five years. For each of the hacks, identify the suspected hacker or hacker group, what the hack consisted of, what the hackers wanted, and how the hacked entity was able to fend off the attack, or how the entity resolved the hack if it was successful.

Compare and contrast each of these and write a proposal for an information security review for The New York Times newspaper. This review should include the potential threats, ease of access to reporters and staff accounts, and so on. You should also identify the top three threats to the newspaper in your review.

Your APA-formatted report should be a minimum of 6-8-pages, and include a minimum of 6 peer-reviewed or academic resources

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Business data model (specifying the business data model and the security-related data structures such as tables

For each of the assignments in the course, you will be grouped in 2-3 (depending on class size). Each member will have a specific role as follows:

  •  fact finding/data collection
  • analysis/collecting key points
  • write/presentation and /document the milestones

In the Module 4 assignment you created a logical architecture using SABSA framework as follows:

  1. Business Information Model (showing all functions of Information System)
  2. Security Policy statements (for example, policy statement about data exfiltration)
  3. Proposed Security Services (for example, SSO, MFA etc.)
  4. Entity schema and privilege profile (user classification, access type, groups etc.)
  5. Security domain definitions and associations (trusted domain, DMZ, front-ending web clients etc.)
  6. Security processing cycle (renew password, update firewall, update OS, – match security policy with security processing cycle)

Assignment Instructions:Now, you will create a Physical architecture (builder’s view) using the SABSA framework. In other words, it is the development of an enterprise security architecture that is business-driven which describes a structured inter-relationship between the technical and procedural solutions to support the long-term needs of the business. If the architecture is to be successful, then it must provide a rational framework within which decisions can be made upon the selection of security solutions. The decision criteria should be derived from a thorough understanding of the business requirements, including the following:

  • The need for cost reduction
  • Modularity Scalability
  • Ease of component re-use
  • Operability
  • Usability
  • Interoperability both internally and externally
  • Integration with the enterprise IT architecture and its legacy systems

Consider your business scenario as “Enabling Business.” There are usually several business-specific requirements that influence the security strategy. These include requirements where security has an important role in generating the appropriate level of confidence to enable new ways of doing business using the latest advances in information technology, such as:

  • Exploiting the global reach of the Internet;
  • Using global e-mail;
  • Outsourcing the operational management of networks and computer systems;
  • Providing remote access to third parties;
  • Developing on-line business services;
  • Delivery of digital entertainment products (video, music, etc.); Improving customer service through integration of information system;
  • Consistent presentation of a user interface;
  • Obtaining software upgrades and system support through remote access by vendors.
  • Tele-working, ‘mobile computing,’ ‘road warriors’ and the ‘virtual office.’

Deliverables Create the following components for the physical model:

  1. Business data model (specifying the business data model and the security-related data structures such as tables, messages, pointers, certificates, signatures, etc.).
  2. Security rules, practices, and procedures (specifying rules that drive logical decision-making within the system – conditions, practices, procedures, and actions).
  3. Security mechanisms (specifying security mechanisms – encryption/cryptography, access control, digital signatures, virus scanning, etc. and the physical applications, middleware, and servers upon which these mechanisms will be hosted).
  4. Users, applications, and user interface (specifying the people dependency in the form of the human interface – screen formats and user interactions – and the access control systems).
  5. Platform and network infrastructure (specifying security technology infrastructure in the form of the host platforms and the networks – physical layout of the hardware, software, and communications lines).
  6. Control structure execution (specifying the physical time management in terms of the timing and sequencing of processes and sessions – sequences, events, lifetimes, and time intervals).

Submit the assignment in a Word document including a cover/title page, and reference page, and review the rubric to ensure you are meeting all requirements. 

 Refer back to the slide presentation that was provided at the beginning of this module as well as Table 3: SABSA MATRIX, p.16 of the SABSA White Paper.

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What are the implications of this Act on privacy and the security of medical information?

Primary Task Response: Within the Discussion Board area, write 300–500 words that respond to the following questions with your thoughts, ideas, and comments. This will be the foundation for future discussions by your classmates. Be substantive and clear, and use examples to reinforce your ideas.

Examine the REAL ID 2005 Act. Your discussion should focus on the following:

  • What are the implications of this Act on privacy and the security of medical information?

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