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Data Structure Articles
Page 99 of 164
What are the types of data integrity?
Database integrity defines the validity and consistency of stored information. Integrity is generally defined in terms of constraints, which are consistency rules that the database is not allowed to violate. Constraints can apply to each attribute or they can apply to relationships between tables.Integrity constraints provides that changes (update deletion, insertion) made to the database by authorized users do not result in a loss of data consistency. Therefore, integrity constraints guard against accidental damage to the database.There are various types of data integrity which are as follows −Logical Integrity − In a relational database, logical consistency provides the data remains ...
Read MoreWhat is the difference between data security and data integrity?
Data SecurityData security define the collective measures used to protect and secure a database or database management software from improper use and malicious cyber threats and attacks. Database security is a layer of information security. It is basically concerned with physical protection of information, encryption of information in storage and data remanence issues.Data security is generally defined as the confidentiality, availability and integrity of data. In another terms, it is all of the practices and processes that are in place to provide data isn't being used or accessed by unauthorized individuals or parties. Data security provides that the data is ...
Read MoreWhy confidentiality is required in information system?
Confidentiality defines that sensitive information should be prohibited from being disclosed to illegal parties. There are generally two methods, or an amalgamation of these, in the course of which confidentiality can be supported. One method is to limit access to the information that should be maintain undisclosed. The other method is to encrypt the secret information. Confidentiality is at times also referred to as secrecy.The goals of security are confidentiality. It can strengthen internal control and restrict unauthorized access from both internal and external factors, thereby securing the confidentiality and integrity of resources and assets.Role-based security methods can be employed ...
Read MoreWhat is the difference between Physical Security and Logical Security in information security?
Physical SecurityPhysical security is represented as the security of personnel, hardware, programs, networks, and data from physical situations and events that can support severe losses or harm to an enterprise, departments, or organization. This contains security from fire, natural disasters, robbery, theft, elimination, and terrorism.Physical security is an essential part of a security plan. It forms the basis for some security efforts, such as data security. Physical security defines the protection of building sites and equipment (some data and software contained therein) from theft, vandalism, natural disaster, man-made catastrophes, and accidental damage (e.g., from electrical surges, extreme temperatures, and spilled ...
Read MoreWhat is Global information system in information security?
A Global information system is a system that generates, manages, analyzes, and maps all types of data. GIS connects data to a map, integrating location information with all types of descriptive data. This supports a foundation for mapping and analysis that is used in science and almost each industry.GIS provides users understand patterns, associationship, and geographic context. The benefits involve improved communication and efficiency and better management and decision making.The information system of an organization can be defined as a system that serves to provide information within the organization when and where it is required at some managerial level. An ...
Read MoreWhat are the privacy aspects of SOA in information security?
Service-oriented Architecture (SOA) is an approach of designing software to provide services to applications, or to other services, through published and discoverable interfaces. Each service provide a discrete chunk of business functionality by a loosely coupled (usually asynchronous), message-dependent communication model.The design of a high-quality software solution, including some other complex structure, needs early architectural decisions assisted by well-understood design methods, structural designs, and styles. These patterns address general service concerns such as scalability, reliability, and security.There are some aspects of Service-oriented architecture which are as follows −Architectural versus Implementation Models − As IT professionals goes to deliver applications using ...
Read MoreWhat is SOA in information security?
SOA stands for Service Oriented Architecture. It is a type of software design that creates software element reusable using service interfaces that use a common communication language over a network.A service is a self-included unit of software functionality, or set of functionalities, designed to complete a specific task including retrieving specified data or executing an operation. It includes the code and data integrations necessary to carry out a complete, discrete business function and can be accessed remotely and communicated with or updated separately.In another terms, SOA integrates software elements that have been independently deployed and maintained and enable them to ...
Read MoreWhat is the difference between SOAP and RESTful Web Services in information security?
SOAP Web ServicesSOAP stands for Simple Object Access Protocol. It is a XML-based protocol for accessing web services. It is produced as an intermediate language so that applications built in multiple programming languages can communicate with each other efficiently. Web services use SOAP for share of XML data among applications.SOAP provides both stateful and stateless operations. Stateful defines that the server keeps the data that it receives from the client across multiple requests. These requests are chained so that the server is aware about the prior requests. Examples are bank transactions, flight bookings, etc. Stateless messaging has adequate information about ...
Read MoreWhat are the elements of web services in information security?
A classic Web services includes three elements such as users, services and databases. It can describe a privacy model with three dissimilar types of privacy including user privacy, service privacy, and data privacy which are as follows −User Privacy − Users of a Web service comprise persons (e.g., citizens and case officers), applications, and multiple Web services. In some cases, users conversing with a Web service are required to provide a major amount of personal sensitive information. Users of Web services, though, can expect or need dissimilar levels of privacy as per their observation of the information sensitivity.A user can ...
Read MoreWhat is Asymmetric Key Authentication in information security?
Asymmetric encryption is a type of encryption that needs two separates yet mathematically associated keys to encrypt and decrypt information. The public key encrypts data while its correlating private key decrypts it.Asymmetric key authentication is a cryptographic approach that uses a different verification key in the CAD than the proving key utilized by the smart card. This method is usually executed using trapdoor one-way functions, in which smart card creates an electronic signature with its secret key and the CAD needs a public key to authenticate the signature.The Rivest-Shamir-Adelman (RSA) public key cryptosystem is the generally implemented asymmetric key authentication ...
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