This paper discusses how authorized users use various techniques to secure data schemes for getting privileged access and keeping database system security. However, there are different threats to databases such as SQL inject attack that would have caused loss of integrity, availability, and confidentiality. Therefore, firstly we introduce different control measures and then discuss mechanisms for granting and revoking privileges in the relational database system. In the paper, we specify securit...

Computer and Network Security 

This paper is to study how Extensible Markup Language (XML) code injection attacks are widespread over web and cloud applications, databases, and multiple types of systems within major corporations that can be equated to system vulnerabilities. The attacks can be on the Application layer, Transport layer, or at the core of the Operating System. In this paper, we have explained a common translation tool translating web page information into other file types as XSLT can unknowingly inject maliciou...

Computer and Network Security 

Due to the escalating wave of malware in communication networks, continuous/discrete differential equations have been used in traditional analytical models to better understand the patterns of malware spread. Networks for local area networks, networks for metropolitan areas, and broad area networks were all utilized in this study. In particular, we developed the vulnerable-latent-contagious-recovery-inoculation (VLCR-I) model as well as built its computational equivalents in MathLab simulator. F...

Computer and Network Security 

The sustainability of a company depends on the permanent availability of its information system. This reality influences the behavior of companies, which are becoming increasingly mature in their investments in information system security, which is an absolutely vital element. The use of a service called “SYSLOG” to centralize the network event logs that are sent by printers, servers, routers, firewalls, IDS and IPS in an SYSLOG server is a perfect example for network optimization. In this work,...

Computer and Network Security  Information and Communication: Security, Privacy, and Trust  Information and communication theory and algorithms 

The private-key structure of CPK has developed from single-layer and multi-layer to multi-block and composite structure. The scheme structure of CPK has formed as fixed, flexible or disposable types. CPK digital signature forms an identity signature protocol not only for data signature, but also for identity signature. CPK is not only suitable for the authentication requirements of open global communication network and business network, but also suitable for the authentication requirements of cl...

Computer and Network Security 

System products are widely used in almost all applications. Most of the human capacity has been converted to software solutions. Measuring and evaluating the quality of software products has become a problem for many companies that may be looking for software solutions. There are a number of skills that are required and used to make good software. As time goes on, new software is advancing and this has caused security problems to persist and thus affect the software’s performance. New components...

Computer and Network Security 

The computer security has become a major challenge. Tools and mechanisms have been developed to ensure a level of compliance. These include the Intrusion De-tection Systems (IDS). The principle of conventional IDS is to detect attempts to attack a network and to identify abnormal activities and behaviors. The reasons, including the uncertainty in searching for types of attacks and the increasing com-plexity of advanced cyber-attacks, IDS calls for the need for integration of meth-ods such as Dee...

Artificial Intelligence  Computer and Network Security 

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Computer and Network Security 

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Network Modeling and Simulation  Computer and Network Security  Information and Communication: Security, Privacy, and Trust  Communication Protocols 

The fast growth of the Internet proposes and offers several new applications and advanced services that has greatly and quickly innovated the educational environment. The platform of e- learning represents an attractive educational field where the acceptance or utilization progresses and more and more people are taking courses or training using this technology. Mainly, e-learning platform exploits Internet infrastructure which became location for illegal events and actions, especially exposed to...

Applications of Communication Systems  Computer and Network Security