Access control and security

“Access control includes authentication, authorization and audit. It also includes measures such as physical devices, including biometric scans and metal locks, hidden paths, digital signatures, encryption, social barriers, and monitoring by humans and automated systems.” -- Wikipedia

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Welcome to Network Access Control For Dummies. It's a scary networking world out there, and this book provides you with a working reference for understanding and deploying what type of network access control (NAC) is best suited for your network and you. Because you're holding this book, you already know that security issues exist out there — and you've probably, maybe frantically, attempted to protect the network you're responsible for from the scenarios that get printed on the front page....

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Overview Access Control Matrix model Discretionary Access Control (DAC) Mandatory Access Control (MAC) and an example model Role Based Access Control (RBAC) Access Control in Unix Sep 2009 Information Security by Van K Nguyen Hanoi University of Technology 2 .What is AC Quote from Ross Anderson (text “Security Engineering”) Its function is to control which principals (persons, processes, machines, …) have access to which resources in the system -- which files they can read, which programs they can execute, and how they share data with other principals, and so on....

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ACL tell the router what types of packets to accept or deny. Acceptance and denial can be based on specified conditions. ACLs enable management of traffic and secure access to and from a network.

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We have looked at protocols for distributing and establishing keys used for authentication and confidentiality But who should you give these keys to? Who should you trust? What are the rules governing when to and not to give out security credentials In this lecture, we will look at the broad area of secure and trusted systems We will focus on access control models These methods are often used to abstract the requirements for a computer system But, they hold for general systems where security is a concern (e.g. networks, computers, companies…) ...

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Mandatory access controls Introduction to Mandatory Access Control (Security Classes, MAC properties, Multilevel relation, Pros and cons of MAC); MAC in Oracle - Oracle Label Security, security classes, classification level.

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RH253 - Red Hat Enterprise Linux Network Services and Security Administration below to capture the contents: Network Services and Security Administration, System Performance and Security, System Service Access Controls, Network Resource Access Controls, Organizing Networked Systems,...

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Security in Information Systems: Chapter 3 - Mandatory access control Introduction to Mandatory Access Control (Security Classes, MAC properties, Multilevel relation, Pros and cons of MAC), Proposed Models for MAC, MAC in Oracle Oracle Label Security.

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Cisco provides basic traffic filtering capabilities with access control lists (ACL). This chapter covers the benefits of ACLs and describes their building blocks. The chapter describes summarizable address blocks in the context of CIDR and VLSM environments, demonstrating how ACL wildcard masks allow for threat mitigation in those environments.

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This chapter explains the operations of the different types of firewall technologies and the role they play in network access control and security architectures. It also describes guidelines for firewall rule set creation. The chapter then describes the function and building blocks of Network Address Translation.

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Internetworking security has become a very big issue in recent months. Companies who went through corporate life thinking, “it will never happen to me” suddenly found themselves the victim of some sort of attack on their network. High profile companies are most certainly a bigger target for several reasons, including the notoriety the hacker receives for damaging their network or Web site, and the amount of financial damage that can be done by bringing down a successful e-commerce site. Recent attacks easily racked up 100 million dollars in damage....

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Network security spans a large number of disciplines, ranging from management and policy topics to operating system kernel fundamentals. Historically, the coverage of these and the other network security areas was presented in multiple, specialized publications or given a high-level treatment that was not suited to the practitioner. Network Security Bible approaches network security from the view of the individual who wants to learn and apply the associated network security best practices without having to sort through a myriad of extraneous material from multiple sources.

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Access Control Lists (ACLs). Objectives: In this chapter, you will learn to: Explain how ACLs are used to secure a medium-size enterprise branch office network, including the concept of packet filtering, the purpose of ACLs, how ACLs are used to control access, and the types of Cisco ACLs. Configure standard ACLs in a medium-size enterprise branch office network, including defining filtering criteria, configuring standard ACLs to filter traffic, and applying standard ACLs to router interfaces....

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(BQ) The book examines the elements of computer security, employee roles and responsibilities, and common threats. It discusses the legal requirements that impact security policies, including Sarbanes-Oxley, HIPAA, and the Gramm-Leach-Bliley Act. Detailing physical security requirements and controls, this updated edition offers a sample physical security policy and includes a complete list of tasks and objectives that make up an effective information protection program.

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“If the Internet were a city street, I would not travel it in daylight,” laments a chief information security officer for a prestigious university. The Internet is critical infrastructure at the world’s commerce. Cybercrime is escalating; once the domain of hackers and script kiddies, cyber-gangs and organized criminal organizations have discovered the business opportunities for extortion, embezzlement, and fraud that now surpasses income from illegal drug trafficking.

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BACnet itself is a living standard undergoing constant growth and revision under the auspices of ASHRAE Standing Standard Project Committee (SSPC) 135. This committee is made up of building control industry vendors, BCS users, academics and government representatives. The BACnet standard has been designed specifically to meet the com- munication needs of building automation and control systems for applications such as heating, ventilation, air conditioning control, lighting control, access control, and fire detection systems.

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Lots of users and privileges scattered over many platforms and applications. Who are the valid users? What are they entitled to access?How do you keep access rights up-to-date? How do you specify and enforce policy?

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Vulnerabilities and Threats in Distributed Systems includes about From Vulnerabilities to Losses, Vulnerabilities and Threats, Vulnerabilities, Threats, Mechanisms to Reduce Vulnerabilities and Threats (Applying Reliability and Fault Tolerance Principles to Security Research, Using Trust in Role-based Access Control,...).

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Chapter 15 - Computer security techniques. After studying this chapter, you should be able to: Assess the key security issues that relate to operating systems, understand the design issues for file system security, distinguish among various types of intruder behavior patterns and understand the types of intrusion techniques used to breach computer security, compare and contrast two methods of access control.

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This book is a desktop quick reference for the Java 2 Micro Edition (J2ME ). It is intended for Java programmers writing applications for devices with limited memory resources and processor power, such as cell...

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