Web applications have extensively taken over the roles of atomization and enhancement of prevailing solutions. It also provides different services to the multiple users of the application. In the recent time, performance of the web services are measured through two important properties such as authentication and session management. However, user authentication appears to be crucial when a valid user of the web application inappropriately discontinues their communication while the session remains active and an unauthorized user pick the same session to get access into the system. Broken Authentication and Session Management vulnerability exploitation risk is becoming enormously higher due to attackers creative skills, system's weak design and improper implementation of web applications. The consequence of the above exploitation may result not only identity theft but also removal/tamper confidential information. This paper has analyzed the authentication vulnerability attack i.e. Broken Authentication and Session Management, its exploitation types and their impact upon investigating on 267 websites of public and private sectors in Bangladesh. 56% websites of our samples were found vulnerable with the given weaknesses by conducting the examination using manual penetration testing method following double blind testing strategy. The result shows the impact and percentage of this vulnerability attacks.
A market which provides an innovative way to allow customers to interact with each other called Customer-to-customer (C2C) market. In C2C communications, online communities play an important role in decision making to buy a product. This investigation develops a research model for online communities of Facebook commerce (F-Commerce) in Bangladesh region, which is based on Information Adoption Model (IAM). This study exhibits a model to influences of C2C communication on Bangladeshi consumers' purchase decision in the online communities of F-Commerce. The proposed model used the Partial Least Squares (PLS) technique to test 120 effective survey data. This survey data has been taken from the Bangladesh Facebook users and strongly involved in product buy-sell at F-Commerce. The analyzed results show that Argument Quality (AQ), Source Credibility (SC) and Tie Strength (TS) positively influence Purchase Decision (PD) through Product Usefulness Evaluation (PUE). In addition, Tie Strength exhibits difference effect on Product Usefulness Evaluation between the contexts of consumers communicating with virtual consumers relationships. Theoretical and executive implications are discussed for constructing our proposed model.
The Open Source Software Development (OSSD) is a movement, challenges many traditional and commercial theories of software development. A group of developers, programmers, and other community members develop the Open Source Software (OSS) in a collaborative manner. Community and contributors provide great support to make the source code of the software easily understandable and modifiable. However, there are insignificant such standard model or methodologies for OSSD has yet been established. Currently, researchers are proposing methodologies in this area. This paper proposes a new model, OScrum by modifying the scrum to make it applicable for OSSD. The proposed model has been constructed after analyzing the key metrics, pillars, and values of Scrum and OSSD. The model has been evaluated through comparing implementation process and working procedure of OSSD. The result shows that the implementation process of OSCRUM has a very close relationship with the process of OSSD and therefore, it fits well in such software development.
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