recently, peer-to-peer (p2p) networks contribute to a large fraction of the internet backbone traffic. consequently, misusing such networks for malicious purposes is a potential side effect. in this review article, we investigate different techniques of misusing p2p overlay networks to launch large-scale next-generation distributed denial of service (ddos) attacks. in particular, we investigate...

background: life-threatening and stressful events, such as myocardial infarction (mi) can lead to an actual crisis, which affects the patients spiritually as well as physically, psychologically, and socially. however, the focus of health care providers is on physical needs. furthermore, the spirituality of the patients experiencing heart attack in the light of our cultural context is not well a...

Simulation of an underwater glider to investigate the effect of angle of attack on the hydrodynamic coefficients such as lift, drag, and torque. Due to the vital role of these coefficients in designing the controllers of a glider and to obtain an accurate result, this simulation has been studied at a range of operating velocities. The total length of the underwater glider with two wings is 900 ...

In recent years, there has been an increase in the number of phishing attacks targeting people fields defense, security, and diplomacy around world. particular, hacking attack group Kimsuky conducting to collect key information from public institutions since 2013. The main feature techniques used by are conceal malicious code e-mails disguised as normal spread a document file that is vulnerable...