A HACKER has stolen the show at a security conference by forcing ATMs to spit out cash. Barnaby Jack spent two years tinkering in his Silicon Valley apartment with ATMs he bought online. They were standalone machines, the type seen in convenience stores, rather than the ones in bank branches. His goal was to find ways to take control of ATMs by exploiting weaknesses in the computers that run the machines. Yesterday at the Black Hat conference - an annual gathering devoted to exposing the latest computer-security vulnerabilities - he made three ATMs disgorge thousands of dollars onto the floor. Upping the cool stakes, Mr Jack also forced the machines to display the word "Jackpot" while it was haemorrhaging cash. His talk was one of the conference's most widely anticipated, as it had been pulled a year ago over concerns that fixes for the ATMs wouldn't be in place in time. He used the extra year to craft more dangerous attacks. He said the attacks could potentially be used against the ATMs operated by mainstream banks. But how did he do it? Mr Jack found that the physical keys that came with his machines were the same for all ATMs of that type made by that manufacturer. He figured this out by ordering three ATMs from different manufacturers for a few thousand dollars each. Then he compared the keys he got to pictures of other keys, found on the internet. He used his key to unlock a compartment in the ATM that had standard USB slots. He then inserted a program he had written into one of them, commanding the ATM to dump its vaults. Mr Jack also hacked into ATMs by exploiting weaknesses in the way ATM makers communicate with the machines over the internet. He said the problem was that outsiders were permitted to bypass the need for a password. He didn't go into much more detail because he said the goal of his talk "isn't to teach everybody how to hack ATMs". "It's to raise the issue and have ATM manufacturers be proactive about implementing fixes," he said. The remote style of attack is more dangerous because an attacker doesn't need to open up the ATMs, allowing them to gain full control of the machine. Besides ordering it to spit out money, attackers can silently harvest account data from anyone who uses the machines. Mr Jack said he didn't think he'd be able to break the ATMs when he first started probing them. "My reaction was, 'this is the game-over vulnerability right here'," he said of the remote hack. "Every ATM I've looked at, I've been able to find a flaw in. It's a scary thing." Mr Jack wouldn't identify the ATM makers. He put stickers over the ATM makers' names on the two machines used in his demonstration. But the audience, which burst into applause when he made the machines spit out money, could see from the screen prompts on the ATM that one of the machines was made by US firm Tranax Technologies. Tranax did not immediately respond to email messages from The Associated Press. Another US firm, Triton Systems, confirmed that one of its ATMs was used in the demonstration. It said Mr Jack alerted the company to the problems and that Triton now has a software update in place that prevents unauthorised software from running on its ATMs.
Read more: http://www.news.com.au/technology/hacker-jacks-black-hat-cash-jackpot-gobsmack/story-e6frfro0-1225898907039#ixzz0v9LpbxPZ
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Friday, July 30, 2010
Posted by -ae- at 3:47 PM 1 comments
Saturday, May 22, 2010
Television Argumentative Essay final
Television Essay
More than ninety percent of the ménages in advanced nations worldwide have a television set in their homes (Sharif 1999). This clearly indicates the high level of available television access. It cannot be denied that numerous families are exposed to excessive television viewing. This is verified by statistics as it shows that an individual spends approximately between two to three hours a day watching television (American Time Use Survey 2003). Therefore, I strongly believe that excessive television viewing brings about many repercussions of which include reduced cognitive ability, a false portrayal of the world to children and numerous health problems.
Extensive viewing of television can dampen the development process of a child’s ability to think (Sharif 1999). Watching television is in fact a flaccid activity and does not help stimulate any part of the brain. This results in a restrictive environment for the child to gain cognitive skills especially the art of problem solving and organisational ability (Leigh 2001). At the present time, numerous children’s programmes cause a lapse in long term concentration. This has adverse effects on academics and it also causes difficulty in focusing on homework.
In addition, watching television inordinately can also depict an unrealistic view of the world to children. Children are likely to develop their habits and behaviour based on television programs they watch (Sharif 1999). Violence and malice are also found in abundance on television programs and these may desensitise children towards violence (Sharif 1999). Children may be lead to think that all problems are solved easily and will become discouraged when faced with reality. Stereotypic attitudes may also be nurtured as characters in television programs are labelled as good or bad, sexy or tough, etc (Sharif 1991).
Furthermore, the habit of watching immoderate amounts of television may cause health problems as well. Television viewing contributes to the opportunity cost of other more beneficial activities such as homework or exercise (Rutherford 2002). Children spend less time outdoors enjoying nature or a good round of sports and physical activities. This will lead to physically inactive behaviour of children (Sharif 1991). It cannot be denied that watching television is a sluggish and inactive habit and when accompanied with junk food, it paves way for obesity and other health related diseases (Rutherford 2002).
In a nutshell, I strongly believe that excessive television viewing definitely brings about many repercussions of which include reduced cognitive ability, a false portrayal of the world to children as well as health problems. Psychologists are not swayed from the notion that heavy viewers of television are among the lowest achievers at school (Leigh 2001). However, it is my opinion that watching television with moderation at check will enable us to fend off the negative ramifications of television. It is up to us to uphold and adhere to our own principles and disciplines.
Posted by -ae- at 3:48 PM 0 comments
Thursday, May 20, 2010
Television Argumentative Essay v2
More than ninety percent of the ménages in advanced nations worldwide have a television set in their homes (Sharif 1999). This clearly indicates the high level of available television access. It cannot be denied that numerous families are exposed to excessive television viewing. This is verified by statistics as it shows that an individual spends approximately between two to three hours a day watching television (American Time Use Survey 2003). Excessive television viewing brings about many repercussions of which include reduced cognitive ability, a false portrayal of the world to children and numerous health problems.
Extensive viewing of television can dampen the development process of a child’s ability to think (Sharif 1999). Watching television is in fact a flaccid activity and does not help stimulate any part of the brain. This results in a restrictive environment for the child to gain cognitive skills especially the art of problem solving and organisational ability (Leigh 2001). At the present time, numerous children’s programmes cause a lapse in long term concentration. This has adverse effects on academics and, it also causes difficulty in focusing on homework.
In addition, watching television inordinately can also depict an unrealistic view of the world to children. Children are likely to develop their habits and behaviour based on television programs they watch (Sharif 1999). This is because children are akin to the phrase “Monkey see, monkey do” and are known to follow examples seen by them. Violence and malice are also found in abundance on television programs and these may desensitise children towards violence (Sharif 1999). Children may be lead to think that all problems are solved easily and will become discouraged when faced with reality. Stereotypic attitudes may also be nurtured as characters in television programs are labelled as good or bad, sexy or tough, etc (Sharif 1991).
Furthermore, the habit of watching immoderate amounts of television may cause health problems as well. Television viewing contributes to the opportunity cost of other more beneficial activities such as homework or exercise (Rutherford 2002). Children spend less time outdoors enjoying nature or a good round of sports and physical activities. This will lead to physically inactive behaviour of children (Sharif 1991). It cannot be denied that watching television is a sluggish and inactive habit and when accompanied with junk food, it paves way for obesity and other health related diseases (Rutherford 2002).
In a nutshell, excessive television viewing definitely brings about many repercussions of which include reduced cognitive ability, a false portrayal of the world to children as well as health problems. Psychologists are not swayed from the notion that heavy viewers of television are among the lowest achievers at school (Leigh 2001). I suppose that’s why people nickname the television as the idiot box. However, I believe that watching television with moderation at check will enable us to fend off the negative ramifications of television. It is up to us to uphold and adhere to our own principles and disciplines.
Posted by -ae- at 11:36 PM 2 comments
Monday, May 17, 2010
Television Argumentative Essay
More than ninety percent of the ménages in advanced nations worldwide have a television set in their homes (Sharif 1999). This clearly indicates the high level of available television access. It cannot be denied that numerous families are exposed to excessive television viewing. This is verified by statistics as it shows that an individual spends approximately between two to three hours a day watching television (American Time Use Survey 2003). Excessive television viewing brings about many repercussions of which include reduced cognitive ability, a false portrayal of the world to children as well as health problems.
Extensive viewing of television can dampen the development process of a child’s ability to think (Sharif 1999). Watching television is in fact a flaccid activity and does not help stimulate any part of the brain. This results in a restrictive environment for the child to gain cognitive skills especially the art of problem solving and organisational ability (Leigh 2001). At the present time, numerous children’s programmes cause a lapse in long term concentration. This has adverse effects on academics and it also causes difficulty in focusing on homework.
In addition, watching television inordinately can also depict an unrealistic view of the world to children. Children are likely to develop their habits and behaviour based on television programs they watch (Sharif 1999). This is because children are akin to the phrase “Monkey see, monkey do” and are known to follow examples seen by them. Violence and malice are also found in abundance on television programs and these may desensitise children towards violence (Sharif 1999). Children may be lead to think that all problems are solved easily and will become discouraged when faced with reality. Stereotypic attitudes may also be nurtured as characters in television programs are labelled as good or bad, sexy or tough, etc (Sharif 1991).
Furthermore, the habit of watching immoderate amounts of television may cause health problems as well. Television viewing contributes to the opportunity cost of other more beneficial activities such as homework or exercise (Rutherford 2002). Children spend less time outdoors enjoying nature or a good round of sports and physical activities. This will lead to physically inactive behaviour of children (Sharif 1991). It cannot be denied that watching television is a sluggish and inactive habit and when accompanied with junk food, it paves way for obesity and other health related diseases (Rutherford 2002).
In a nutshell, excessive television viewing definitely brings about many repercussions of which include reduced cognitive ability, a false portrayal of the world to children as well as health problems. Psychologists are not swayed from the notion that heavy viewers of television are among the lowest achievers at school (Leigh 2001). I suppose that’s why people nickname the television as the idiot box. However, I believe that watching television with moderation at check will enable us to fend off the negative ramifications of television. It is up to us to uphold and adhere to our own principles and disciplines.
Posted by -ae- at 4:12 PM 1 comments
Junk Food Essay v3 Final
The term ‘junk food’ refers to any food that is believed to be unhealthy and does not contribute nutritionally to the human body (Smith 2000). Despite this, kids and adolescents nowadays enjoy the consumption of junk food. According to School News (2005), the profits of a high school canteen were at a high of $13000 in the year 2001 when their sales consisted majorly of junk food. This obviously depicts the younger generation’s propensity to consume junk food despite it being unhealthy. Thus, I stand with the notion of banning the sale of junk food in school canteens as it may lead to obesity, trigger behavioural problems and instigate litter problems.
Overconsumption of junk food may lead to obesity. It cannot be denied that consumption of junk food is an unhealthy habit especially if it is not taken in moderation (Smith 2005). Currently, junk food is consumed excessively by the younger generation. This is due to the wide variety of flavours made available by numerous junk food brands. As so, the students are unable to contain themselves and binge on junk food which brings about the risk of obesity. Many consumers are ignorant to the high levels of chemical additives, artificial flavouring, colouring, preservatives and excessive sugar available in junk food which is used to enhance the taste and prolong its shelf life. Consumption of these additives has the potential to trigger obesity among youngsters (Smith 2005).
In addition, junk food packaging contributes to litter problems in the society (The Food Show 2005). Littering is a societal eyesore to the community. Junk food is currently packed in trendy packaging to attract buyers but most of the time these packaging are not disposed of responsibly and end up everywhere else other than in a rubbish bin. As a result, litter increments the costs of maintaining cleanliness and hygiene in schools (Smith 2005). If this littering habit is not restrained, it will soon be second nature to the students.
On another note, consumption of junk food also causes a decline in student behaviour. According to The Food Show (2005), teachers have observed ameliorated student behaviour when sales of junk food in school canteens were done away with. Research has proven that numerous chemical additives in junk food cause hyperactivity and a lapse in concentration (Smith 2005). This would lead to further more severe problems such as a dip in academic capability and a decrease in athleticism.
As a conclusion, I strongly believe that banning the sales of junk food in school canteens would prove to be beneficial. Lack of easy access to junk food will help students restrain from overconsumption of junk food and thus, promotes moderation in eating. It is of no doubt that banning the sales of junk food would reduce the profit of school canteens but sacrificing profit for the health of our young generation is a small price to pay (Weekends News 2005). In a nutshell, banning junk food in schools may seem harsh and downright extreme but I believe that sometimes in life, we have to be cruel to be kind.
Posted by -ae- at 4:11 PM 0 comments
Saturday, May 8, 2010
Junk Food Essay v2
The term ‘junk food’ refers to any food that is believed to be unhealthy and does not contribute nutritionally to the human body (Smith 2000). Despite this, kids and adolescents nowadays enjoy the consumption of junk food. According to School News (2005), the profits of a high school canteen were at a high of $13000 in the year 2001 when their sales consisted majorly of junk food. This obviously depicts the younger generation’s propensity to consume junk food despite it being unhealthy. Thus, I stand with the notion of banning the sale of junk food in school canteens as it may lead to obesity, trigger behavioural problems and instigate litter problems.
Overconsumption of junk food may lead to obesity. It cannot be denied that consumption of junk food is an unhealthy habit especially if it is not taken in moderation (Smith 2005). Nowadays, junk food is consumed excessively by the younger generation. This is due to the wide variety of flavours made available by numerous junk food brands. As so, the students are unable to contain themselves and binge on junk food which brings about the risk of obesity. Many consumers are ignorant to the high levels of chemical additives, artificial flavouring, colouring, preservatives and excessive sugar available in junk food which is used to enhance the taste and prolong its shelf life. Consumption of these additives has the potential to trigger obesity among youngsters (Smith 2005).
In addition, junk food packaging contributes to litter problems in the society (The Food Show 2005). Littering is a societal eyesore to the community. Junk food are currently packed in trendy packaging to attract buyers but most of the time these packaging are not disposed of responsibly and end up everywhere else other than in a rubbish bin. As a result, litter increments the costs of maintaining cleanliness and hygiene in schools (Smith 2005). If this littering habit is not restrained, it will soon be second nature to the students.
On another note, consumption of junk food also causes a decline in student behaviour. According to The Food Show (2005), teachers have observed ameliorated student behaviour when sales of junk food in school canteens were done away with. Research has proven that numerous chemical additives in junk food cause hyperactivity and a lapse in concentration (Smith 2005). This would lead to further more severe problems such as a dip in academic capability and a decrease in athleticism.
As a conclusion, I strongly believe that banning the sales of junk food in school canteens would prove to be beneficial. Lack of easy access to junk food will help students restrain from overconsumption of junk food and thus, promotes moderation in eating. It is of no doubt that banning the sales of junk food would reduce the profit of school canteens but sacrificing profit for the health of our young generation is a small price to pay (Weekends News 2005). In a nutshell, banning junk food in schools may be seem harsh and downright extreme but I believe that sometimes in life, we have to be cruel to be kind.
Posted by -ae- at 10:41 PM 1 comments
Saturday, April 17, 2010
Junk Food Essay
The term ‘junk food’ refers to any food that is believed to be unhealthy and does not contribute nutritionally to the human body (Smith 2000). Despite this, kids and adolescents nowadays enjoy the consumption of junk food. According to School News (2005), the profits of a high school canteen were at a high of $13000 in the year 2001 when their sales consisted majorly of junk food. This obviously depicts the younger generation’s propensity to consume junk food despite it being unhealthy. Thus, I stand with the notion of banning the sale of junk food in school canteens as it may lead to obesity, trigger behavioural problems and instigate litter problems.
Overconsumption of junk food may lead to obesity. It cannot be denied that consumption of junk food is an unhealthy habit especially if it is not taken in moderation (Smith 2005). Nowadays, junk food is consumed excessively by the younger generation. This is due to the wide variety of flavours made available by numerous junk food brands. As so, the students are unable to contain themselves and binge on junk food which brings about the risk of obesity. Many consumers are ignorant to the high levels of chemical additives, artificial flavouring, colouring, preservatives and excessive sugar available in junk food which is used to enhance the taste and prolong its shelf life. Consumption of these additives has the potential to trigger obesity among youngsters (Smith 2005).
In addition, junk food packaging contributes to litter problems in the society (The Food Show 2005). Littering is a societal eyesore to the community. Junk food are currently packed in trendy packaging to attract buyers but most of the time these packaging are not disposed of responsibly and end up everywhere else other than in a rubbish bin. As a result, litter increments the costs of maintaining cleanliness and hygiene in schools (Smith 2005). If this littering habit is not restrained, it will soon be second nature to the students.
On another note, consumption of junk food also causes a decline in student behaviour. According to The Food Show (2005), teachers have observed ameliorated student behaviour when sales of junk food in school canteens were done away with. Research has proven that numerous chemical additives in junk food cause hyperactivity and a lapse in concentration (Smith 2005). This would lead to further more severe problems such as a dip in academic capability and a decrease in athleticism.
As a conclusion, I strongly believe that banning the sales of junk food in school canteens would prove to be beneficial. Lack of easy access to junk food will help students restrain from overconsumption of junk food and thus, promotes moderation in eating. Banning junk food in schools may be seem harsh and downright extreme but I believe that sometimes in life, we have to be cruel to be kind.
Posted by -ae- at 11:19 PM 4 comments