VOIP security (information technology) Essay Example | Topics and Well Written Essays - 750 words

VOIP security (information technology) - Essay Example In most of the cases the people don’t know that someone is between them and they believe that they are talking in a secure private network. (Ransome & John W, 2005) The attacker controls the entire conversation and intercepts all the messages then injects new ones. This the reason that we should not give any personal information to each other using VoIP networks because it is vulnerable to man in the middle attack. VoIP networks are also vulnerable to Phreaking attacks. Phreaking is the subculture activity of people we study and then experiment with telecommunication systems such as the public telephone systems. Today when telephone systems have become computerized this word is closely related to computer hacking. (Endler & Mark D, 2007) In a VoIP network the hackers alters different frequencies to get hold of the call. The attackers can manipulate the entire phone system. The use of Phreaking began when automatic switches were used in the telephone systems. VoIP networks are also vulnerable to vishing. It’s another term for VoIP Phishing. It is basically a criminal practice which uses social engineering over a telephone network. It can use the features used by VoIP networks to gain access to personal information of anyone for the purpose of reward. (Porter, 2006) The attacker makes a call and pretends to be a representative of a trust worthy organization such as your bank to gain access to your personal bank details. To avoid this kind of attack you should never give any private or confidential information through a telephone network. This is the reason that trusted companies like PayPal and other banks never ask for your personal information through emails and automated phone calls. (Porter, 2006) VoIP Spam is the repeated dialing of unwanted pre recorded phone calls with the help of VoIP features. This attack is

Sex, Nudity, Violence in Modern Era Music Essay

Sex, Nudity, Violence in Modern Era Music - Essay Example The musicians seethe with anger, remember they're frustrating lives before they had a breakthrough and so on. Despite their frustrating pasts which manifest themselves in their lyrics most of these bands have lived a commercial success through their bands and have entered the well-known world of fame and fortune. At the same time, the money and publicity brought with them sex scandals, drug addiction, and public disorder. Few postmodern bands have been prudent with their fame and fortune but the music world is full of sad tragedies like Kurt Cobain’s unfortunate suicide. In this vein, my research will explore to what extent are Rap and Grunge bands a victim of drug effects themselves other than the alleged promotion of a culture of sex nudity violence and culture.The methodology of my work pertains to a few anonymous interviews with representatives of two local bands which play successfully at a nearby club. Their phenomenal success and popularity inspired me to explore their perspectives on the postmodern era. The aim of this literature review is to discuss the issues and bands which will be discussed in the interviews in advance. The literature review was prepared after to interviews to become an aid to the understanding of the musician's concerns and perspectives. Post-modernism has cut off the present from all futures. The daily media add to this by cutting off the past. Which means that critical opinion is often orphaned in the present?† John Berger (English Painter, b.1926) This section addresses the definitional and historical premises behind postmodernism and its influence on modern music media. Visionaries like C. Wright Mills (1959) were looking ahead when they described the post-modern period as one where there would be a growth of the tertiary sector and the services industry would boom in the era of multinationals and a rise in capitalism.