ScienceDaily (July 28, 2011) – How can an organization detect the onset of an attack on its computer network giving it time to respond quickly and block any intrusion or compromise of its data? Modern firewalls and other technology are already in place, but these have not prevented major attacks on prominent networks in recent months. Now, information technologist Heechang Shin of Iona College in New Rochelle, NY, has used game theory to develop a defense mechanism for networks that is more effective than previous approaches. Writing in the International Journal of Business Continuity and Risk Management, Shin explains that with the tremendous growth in numbers of computing and other devices connected to networks, information systems security has become an issue of serious global concern. He points out that each incident might not only cause significant disruption to services affecting many thousands of people but for a commercial operation can take as much as 1 percent of annual sales, per incident. That number amounts to tens of millions of dollars for the average publicly listed company, Shin says.
Shin has now developed an effective anti-hacking tool based on a game theoretic model, called defensive forecasting, which can detect network intrusions in real time. The tool, by playing a “game” of reality versus forecast, wins when reality matches its forecast and it sends out an alert to block the intrusion.
Importantly, the tool works on real-time data flowing in and out of the network rather than analyzing logs, an approach that can only detect network intrusions after they have taken place. The game theoretic model continuously trains the tool so that it can recognize the patterns of typical network attacks: denial of service attacks, such as a syn flood, unauthorized access from remote machines in which login passwords are being guessed or brute-force tested, attacks by insiders with “superuser” or system root privileges or probing attacks in which software carries out surveillance or port scanning to find a way into the system.
In order to measure the effectiveness of the tool, Shin compared the approach using the semi-synthetic dataset generated from raw TCP/IP dump data by simulating a typical US Air Force LAN to a network intrusion system based on a support vector machine (SVM), which is considered one of the best classification methods for network intrusion detection. Experimental results show that the tool is as good as or better than the one based on SVM for detecting network intrusion while the tool adds the benefit of real-time detection.
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Advantages: Complex characters, plot told from different viewpoints, realistic morality
The first book of the Song of Ice and Fire series is my first foray into George R.R. Martins world. Before I was introduced to his work, I was mainly a Robert Jordan fan. Upon reading A Game of Thrones, I realized that I was missing a huge part of the high fantasy genre.
From beginning to end, I was not sure whether or not I really liked the book. The plot was interesting enough. If its worth anything, I spent a couple of sleep-deprived nights reading A Game of Thrones! Now that I think back, I would say that the complexity of the characters and the plot as a whole is what made me hold back. Other fantasy novels usually define the line between good and evil very clearly. We have the good characters on one side and the evil powers on the other. George R.R. Martin manages to reflect reality by emphasizing the moral gray areas. Characters are not boxed into single moral categories. There is no clear protagonist. A good character is not totally likeable. An evil character seems to be a nice person on the inside. Good and bad is so maddeningly intertwined you cant help but see a reflection of the real world.
This book is not for the faint of heart. If you are looking for light reading, free of violence and sex, you might not want to read A Game of Thrones. There were times when I thought Martin was overdoing it a bit. I decided I would just chalk it up to artistic freedom.
Another frustrating aspect of the book is that as the story progresses, it seems that the good guys are getting killed off one by one. If that isnt enough to make you depressed I dont know what is. Of course this is only the first book in a yet uncompleted series -the story is yet to unfold.
The storyline is gripping. It leaves you craving for more. One good thing about discovering this series at this late date is that you wouldnt have to wait for the next few books to be written. A Feast for Crows, the fourth and latest book of the series, has been out since last year. Once you start with A Game of Thrones, you might want to pace yourself so as not to have to wait too long for the fifth book.
There are plenty of games today and one can either choose from offline or online games. However, in choosing the kind of game to play, it is also important to know about the various techniques needed to win. Angry Birds online game is also one of the games that a single player can play. It is a puzzle video game that was produced by Rovio Mobile, which is a firm based in Finland. The game was first released in 2009 December and was chosen for the Apple iOS. Upon its debut, there have been around 12 million copies that have been sold worldwide and there were a number of enhancements that were developed.
The making of Angry Birds online was inspired primarily by a sketch of wingless and flightless birds. It was a simple sketch which developed in order to improve the game. The first recreations of the games were initiated by Apple, which created requests for the development of other games that were to be featured on touch-screen smart phones produced by Apple. Rovio Mobile remained in assistance to the development of the game and has made a number of updates in order to further develop the game.
In the game, players should be able to able to make use of a slingshot in order to start the birds. The birds should be aimed at pigs which are found on some few arrangements. The main goal of the game is to destroy all of the pigs which are found situated on the field.
The main reason why Angry Birds garnered millions of recognition from all over the world is that it is able to present a good plot for players. The game designers were successful in creating a light platform that works very well with loading as well as excellent graphics. The game was appropriately designed for entertainment and there are a number of developments that have been made for both gaming consoles and online games.
The players should take note to have a good control of the plenty of birds that will go away to find all their golden eggs which were stolen by green pigs. The game is really progressive with each level having various pig structures that range from ice, wood or stone. It is important that a player should be able to get rid of all the pigs on the play area. This can be done with the help of slingshots that will launch the birds. The birds will then destroy the pig structures and thereby making the pigs disperse. There are also different kinds of pigs for different levels while their number increases as the player level increases.Angry Birds Online
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One other of the family friendly Las Vegas hotels is the Excalibur. You will have you feeling as though you’ve stepped into the fairy tales of your childhood. From the moment you cross the threshold from the outside world to the charmed existence of life in the hotel you will find that you have truly been charmed and are leading a somewhat enchanted existence.
Not only is there the magnificent casino to enjoy, there is also the wonderful pool, links golf, the castle walk for your shopping pleasure, and the midway where you can play all kinds of fun and exciting arcade and carnival games. Perhaps one of the most memorable and impressive of offerings is the Tournament of Kings dinner show. This show is offered nightly at six and eight-thirty and you will eat in the manner of those in medieval times, without utensils while watching the evil wizard Mordred as he invades the evening festivities. This show is quite enjoyable and relies heavily upon audience participation.
Dining in the hotel and casino can be quite the adventure without the assistance of horses and actors as there are several dining options including the Roundtable Buffet, The Steakhouse at Camelot, Regale Italian Eatery, Sherwood Forest Caf, and how could we forget Sir Galahad’s Pub and Prime Rib House?
If you’re looking for the fairytale wedding of your dreams, then Excalibur has the package for you. You can even elect to rent medieval costumes in which to get married. There are many different packages available to fit various budgets and wedding needs. Wedding packages vary in price from around $400 plus $55 for the cost of the minister to around $1575 plus the cost of the minister. These are all rather basic packages and do not include extras such as costume rentals, extra poses for the wedding photos, or video and candle services.
Before your big day make sure you make liberal use of the spa services available at Excalibur Hotel and Casino in Las Vegas. Of course this is a great idea even if you are just hoping to relax while on vacation. You remember relaxation right? That is what you did on occasion before you had children. You should definitely get the royal treatment that is available through the spa and enjoy every minute of your visit. Some of the spa services offered at Excalibur include: facials, wraps, Aveda facials, and various massages. There are add on services that can be purchased and packages available. This is a great way to spend an hour or three before your big day or any day.
Once you’ve finished getting pampered at the spa, step on over to Kristina’s Salon and get primped. You can enjoy everything from manicures to full service hair styling services. Whether you are preparing for your big day and saying “I do!” or simply for a romantic evening on the strip this is a great place to begin.
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