The issues of authentication and access in IT security need to be investigated. Access and Authentication in Information Security should be examined. A57
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- Explain the security concept of Defense in Depth (DiD). Discuss the 4 types of GeneralControls recommended for modern day DiD implementations. Explain what each controltype is focused on protecting and give example(s) of capabilities for each control type.The suggested solution should address IT security issues alone.Book title: Cybersecurity Essentials - Charles J. BrooksChapter 1 - Infrastructure security in the Real world From the information provided in the first scenario, consider the National Institute of Standards and Technology (NIST) functions detailed in this section and observe how they relate to each category. 1. Which steps could be put in place to recover from actions intended to access, disable, degrade, or destroy the assets that has been previously identified (NIST RC.RP-1)? (Refer to screenshot for reference)
- Given the security levels TOP SECRET, SECRET, CONFIDENTIAL, and UNCLASSIFIED (ordered from highest to lowest), and the categories A, B, and C, specify what type of access (read, write, both, or neither) is allowed in each of the following situations. Assume that discretionary access controls allow anyone access unless otherwise specified. Paul, cleared for ( SECRET, { B, C } ), wants to access a document classified ( TOP SECRET, { A, C } ). Anna, cleared for ( CONFIDENTIAL, { B } ), wants to access a document classified ( CONFIDENTIAL, { C } ). Jesse, cleared for ( CONFIDENTIAL, { C } ), wants to access a document classified ( SECRET, { C } ). Sammi, cleared for ( CONFIDENTIAL, { A } ), wants to access a document classified ( TOP SECRET, { A, C } ). Robin, who has no clearances (and so works at the UNCLASSIFIED level), wants to access a document classified ( SECRET, { A } ).A security policy is a document that provides employees with clear instructions about acceptable use of company confidential information, explains how the company secures data resources and what it expects of the people who work with this information. Most importantly, the policy is designed with enough flexibility to be amended when necessary. You are working in organization X, and you are supposed to develop an issue-specific security policy, you can pick one issue from Table.1 [1] (In the photos) Your Task is: To develop the different sections of your policy and adequate procedure(s), you can refer to SANS Policy Templates [2]. References: [1] Developing an Information Security Policy: A Case Study Approach, Fayez Hussain Alqahtani. 4th Information Systems International Conference 2017, ISICO 2017, 6-8 November 2017, Bali, Indonesia. [2] https://www.sans.org/information-security-policy/Q1 A computer virus can be characterized by the following three bits: A= if it tries to access secured information by wrong username and password B= if it tries to delete secured file without notifying the user C= if it does not response to the virus threat protection system Complete truth table of the above computer virus and implement with necessary gates
- 1. Let us consider an application where we need to run a secure Information Management System. We are to receive very confidential information from our customers and keep them save in our system. These information are sent to us in the softcopy forms. We are to protect our customers’ confidentiality even from ourselves, we are not to see the information they bring to us, or else the confidentiality is compromised. Your job as computer security officer is to verify the authenticity of the important document received in order to save them under the appropriate users. Mind you; you have no access to the users’ usernames and passwords, you can store but cannot retrieve except the user himself. Secondly, you are to protect the passwords and usernames to make impossible for everyone (including the system administrators) except the users themselves to access even if the whole database is hacked or stolen. i. Based on your knowledge in computer security, which cryptographic mechanisms would…Explain the following “Measures” used to provide system security at organizational level: Physical - The sites containing computer systems must be physically secured against armed and malicious intruders. The workstations must be carefully protected. Human - Only appropriate users must have the authorization to access the system. Phishing (collecting confidential information) and Dumpster Diving (collecting basic information so as to gain unauthorized access) must be avoided. Operating system – The system must protect itself from accidental or purposeful security breaches. Programs – Usually, Anti Malware programs are used to periodically detect and remove such viruses and threats. Additionally, to protect the system from the Network Threats, Firewall is also be used. Network – Almost all the information is shared between different systems via a network. Intercepting these data could be just as harmful as breaking into a computer. Henceforth, Network should be properly…c) You are in charge of designing a secure Internet Banking System. While designing the system, you need to consider several aspects of information security, such as: i) user authentication, ii) bank server authentication, iii) distribution of the public key (if using an asymmetric cipher), iv) distribution of the symmetric key (if using a symmetric cipher), v) confidentiality of the communication between the user and the bank server, vi) integrity of the communication between the user and the bank server, vii) non-repudiation. To address these design goals, you may need to use a combination of different types of cryptographic/security primitives. Symmetric Asymmetric Message authentication Digital encryption signatures exchange Hash Public key Key Digital Certificate Ciphers functions cades (MAC) Stream Block ciphers ciphers Figure 3: Basic cryptographic building blocks Select appropriate primitives that you propose to address each of the above security goals and provide necessary…
- Write a 3 page paper titled “Hospital Information Systems SecurityWrite a 3 page paper (excluding title and reference pages) titled “Hospital Information Systems Security”. The assignment must include 2-3 APA references. Discuss the following in your paper:The fundamental concepts of information The principles associated with information securitySecurity conceptsPrinciples and models and education for the personnelAccess controlsBasic cryptography and its applicationsIntrusion detection and prevention ………………………… Added to cartName and explain two security models that are used for maintaining goals of security, i.e. Confidentiality, Integrity, and Availabilityanalyze two common security failures and identify specific design prinviples that have been violated