Chapter 3 security principals
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This document discusses several key concepts in information system security: Authentication involves verifying the identity of a user or system, usually through passwords, ID cards, or biometrics. Authorization determines what resources a user can access after authentication. Privacy/confidentiality ensures sensitive personal data and messages are kept secret through encryption. Integrity keeps information from being altered without authorization. Availability ensures security services and data remain accessible. Non-repudiation prevents denied participation in online transactions. Auditing records network activity and communications for security monitoring through system logging.
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The document discusses authentication, authorization, and accounting (the three As) as a leading model for access control. It describes authentication as identifying users, usually with a username and password. Authorization gives users access to resources based on their identity. Accounting (also called auditing) tracks user activity like time spent and services accessed. The document provides details on different authentication methods like passwords, PINs, smart cards, and digital certificates. It emphasizes the importance of strong passwords and changing them regularly.
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put the following into another words
Authentication is the process of verifying the identity of a user or system. It is an essential aspect of secure communication and is used to ensure that only authorized users have access to sensitive information, resources, or systems. Authentication can be achieved using various methods such as passwords, biometrics, tokens, certificates, or multi-factor authentication.
One of the most common authentication methods is the use of passwords, where the user is required to provide a secret password that is matched against a stored hash value in the system. Biometrics, such as fingerprint or face recognition, are becoming increasingly popular due to their convenience and security. Tokens and certificates are used to provide secure and reliable authentication in high-risk environments, such as online banking or military operations.
Multi-factor authentication, which combines two or more authentication methods, is becoming more widely used to provide additional security. For example, a system may require a user to provide a password and a fingerprint scan, or a password and a token.
Authentication plays a critical role in protecting sensitive information and preventing unauthorized access. Without proper authentication mechanisms, systems and data are vulnerable to attacks from malicious actors. As such, it is essential to implement effective authentication measures and to stay up to date with the latest developments in authentication technology.
.
Cryptography and authentication
This slide has the more about tools and techniques under informantion security and operating systems thus more of cryptography
SCWCD : Secure web : CHAP : 7
7.1 Identify which attribute scopes are thread-safe:
Local variables
Instance variables
Class variables
Request attributes
Session attributes
Context attributes
7.2 Identify correct statements about differences between the multithreaded and single-threaded servlet models.
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SCWCD : Secure web
6.1 Identify correct descriptions or statements about the security issues:
Authentication
authorization
Data integrity
Auditing
Malicious code
Website attacks
6.2 Identify the deployment descriptor element names, and their structure, that declare the following:
A security constraint
A web resource
The login configuration
A security role
6.3 Given authentication type: BASIC, DIGEST, FORM, and CLIENT-CERT, identify the correct definition of its mechanism.
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Class paper final
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CS-1,2.pdf
Identification and Authentication:
• How it works: Users and devices are identified and authenticated to ensure they are who they claim to be. This often involves the use of usernames and passwords, multi-factor authentication (MFA), biometrics, or other authentication methods.
The three chain links of radius security
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DS-NIZKP: A ZKP-based Strong Authentication using Digital Signature for Distr...
DS-NIZKP: A ZKP-based Strong Authentication using Digital Signature for Distr...IJCSIS Research Publications
In most networks and distributed systems, security
has always been of a major concern and authentication is the core
issue as it provides protection from unauthorized use and ensures
proper functioning of the system. This paper investigates and
proposes DS-NIZKP, an approach for authenticating users by
three factors, (namely password, smart-card and biometrics)
based on the concept of Zero Knowledge Proof (ZKP), so that no
sensitive information can be revealed during a communication.
The proposal employs the concept of digital signature (DS) to
authenticate the identity of the sender or the signer within a
single communication. Given that DS employs asymmetric
encryption, a one-way hash of the user’s identity is created then
signed using the private key. Hashing prevents from revealing
information about the user while signing provides authentication,
non-repudiation and integrity. This approach not only saves time
since just a single message between the prover and the verifier is
necessary but also defends privacy of the user in distributed
systems.cyber secuirty.pptx
Cyber security involves protecting computers, networks, programs and data from unauthorized access and cyber attacks. It aims to ensure confidentiality, integrity and availability of information. Key aspects of cyber security include authentication, authorization, network security, application security and information security. Authentication verifies a user's identity, while authorization determines their access privileges. Cyber threats can include cyber attacks, exploits, vulnerabilities and data breaches. Mitigation strategies and software patches help reduce damage from security incidents.
Similar to Chapter 3 security principals (20)
Web Programming - 12 Authentication and Authorization
Web Programming - 12 Authentication and Authorization
Eds user authenticationuser authentication methods
Eds user authenticationuser authentication methods
put the following into another words Authentication is the process of.docx
put the following into another words Authentication is the process of.docx
Exploring the Seven Key Attributes of Security Testing.pdf
Exploring the Seven Key Attributes of Security Testing.pdf
DS-NIZKP: A ZKP-based Strong Authentication using Digital Signature for Distr...
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- 1. INFORMATION SYSTEM SECURITY Jupriyadi, S.Kom. M.T. jupriyadi@teknokrat.ac.id Bandarlampung, Juli 2021 Chapter 3
- 2. Security Principals Authentication Authorization or Access Control Privacy / Confidentiality Integrity Availability Non-repudiation Auditing
- 3. Authentication Stating that the data or information used or provided by the user is the person's original Countermeasure: Using Digital signature
- 4. Authentication Authentication is used by a server when the server needs to know exactly who is accessing their information or site. Authentication is used by a client when the client needs to know that the server is system it claims to be. In authentication, the user or computer has to prove its identity to the server or client. Usually, authentication by a server entails the use of a user name and password. Other ways to authenticate can be through cards, retina scans, voice recognition, and fingerprints. Authentication by a client usually involves the server giving a certificate to the client in which a trusted third party. Authentication does not determine what tasks the individual can do or what files the individual can see. Authentication merely identifies and verifies who the person or system is.
- 5. Three Schemes Authentication • Password Something you know • ID Card Something you have • Finger Prints Something you are
- 6. Authorization or Access Control Setting who can do what, or from where to where. Can use the mechanisms of user / password or other mechanism Example: ACL on Proxy Server
- 7. Authorization or Access Control Authorization is a process by which a server determines if the client has permission to use a resource or access a file. Authorization is usually coupled with authentication so that the server has some concept of who the client is that is requesting access. The type of authentication required for authorization may vary; passwords may be required in some cases but not in others. In some cases, there is no authorization; any user may be use a resource or access a file simply by asking for it. Most of the web pages on the Internet require no authentication or authorization.
- 8. Privacy/Confidentiality Security of personal data, messages or other sensitive information Countermeasure: Using encryption
- 9. Integrity Information or messages that are kept unchanged or changed.
- 10. Availability The availability of information security services. Countermeasure : Firewall and router filtering, backup and redundancy, IDS and IPS
- 11. Non-repudiation Keeping that if it is done online transactions or activities, it can not be disclaimed
- 12. Auditing The existence of the file records data communications that occur on the network for auditing purposes such as identifying attacks on the network or server Implementation : Using System Logging
- 13. Basic Terminology Threats natural threats unintentional threats intentional threats Vulnerabilities weakness in the design Configuration implementation Risk Attacks
- 14. What's Next ?