Techniques to Detect DoS and DDoS Attacks and an Introduction of a Mobile Agent System to Enhance it in Cloud Computing

Security in cloud computing is the ultimate question that every potential user studies before adopting it. Among the important points that the provider must ensure is that the Cloud will be available anytime the consumer tries to access it. Generally, the Cloud is accessible via the Internet, what makes it subject to a large variety of attacks. Today, the most striking cyber-attacks are the flooding DoS and its variant DDoS. This type of attacks aims to break down the availability of a service to its legitimate clients. In this paper, we underline the most used techniques to stand up against DoS flooading attacks in the Cloud

CONTRIBUTION A LA CONCEPTUALISATION DES DIMENSIONS DE LA RESPONSABILITE SOCIETALE COMME ANTECEDENTES DE LA SATISFACTION DES USAGERS/CLIENTS : APPLICATION AU SERVICE PUBLIC DE TRANSPORT COMMUN URBAIN

Tenir en compte les paramètres de la RSO est devenu ces dernières années une obligation plus qu’un choix pour la satisfaction des parties prenantes. Malgré la floraison des études sur la RSE, celles portant sur l’impact de la RSE sur les attitudes et comportements des consommateurs restent d’actualité. S’insérant dans l’approche intégrative de la RSE, ce papier présente un modèle des déterminants sociétaux de la qualité perçue, prédictifs de la satisfaction des usagers/clients des services publics. Ledit modèle est le résultat des études qualitatives et une enquête auprès de 1210 usagers/clients de service public de transport urbain collectif (SPTUC). L’appréciation de la qualité du modèle proposé est basée sur les indices d’ajustement (absolus, incrémentaux et de parcimonie), l’étude de fiabilité des échelles de mesure (rhô de Jöreskog), la validité convergente et discriminante des construits (procédure de Larcker et Fornell) et l’étude des liens de causalité entre les variables latentes du modèle (modélisation en équations structurale)

Techniques to Detect DoS and DDoS Attacks and an Introduction of a Mobile Agent System to Enhance it in Cloud Computing

Security in cloud computing is the ultimate question that every potential user studies before adopting it. Among the important points that the provider must ensure is that the Cloud will be available anytime the consumer tries to access it. Generally, the Cloud is accessible via the Internet, what makes it subject to a large variety of attacks. Today, the most striking cyber-attacks are the flooding DoS and its variant DDoS. This type of attacks aims to break down the availability of a service to its legitimate clients. In this paper, we underline the most used techniques to stand up against DoS flooading attacks in the Cloud

Predicting factors of public awareness and perception about the quality, safety of drinking water, and pollution incidents

Public perception of drinking water quality and safety results from the interaction of multiple factors, including the public engagement, which requires sufficient knowledge and awareness. This issue has yet to be addressed in Algeria. This study investigated the residents’ perception and awareness about the drinking water quality, safety, and water pollution events. A survey-based cross-sectional study was conducted amongst citizens living in the province of Biskra. Multinomial regression analysis was used to identify the predicted public perception factors about drinking water-related issues. Regardless of the degree of public trust in the drinking water sources, the main drinking water source reported by the participants was tank water (43.3%) followed by tap water (32%). Water quality standards are a measure of the condition of water relative to the contaminants. Water consumption profiles gave priority attention to taste (48.7%), odour (35%), appearance (34.7%), and colour (32%), reflecting a low level of knowledge about the water quality standards. Most of the residents (55.7%) reported a deficient communication about the preventive measures to protect public health. The higher level of education showed a statistically significant impact in discriminating between those who felt very satisfied and dissatisfied participants with the drinking water quality and those who felt between satisfied and dissatisfied (P = 0.023, P = 0.034, respectively). Additionally, education level had a statistically significant role in differentiating trust levels in drinking water quality between two groups, those belonging to either confident or relatively confident and the group of extremely worried respondents, with P = 0.000 and P = 0.000, respectively. Interviewed respondents with certain education levels showed higher trust in the safety of drinking water when compared to those with lower education levels. Gender had a significant role in differentiating the group of respondents who were relatively confident from those who were extremely worried (P = 0.016). The public knowledge about the standards of water quality, safety, and the pollution-related issues remains relatively low. This study is of interest to policy makers and public health authorities who implement actions for water contamination prevention and public health protection. These findings could have national implications and are also applicable, in general context, particularly in low and middle-income countries