Information security is the process of protecting information. It protects its availability, privacy and integrity. Access to stored information on computer databases has increased greatly. More companies store business and individual information on computer than ever before. Much of the information stored is highly confidential and not for public viewing.
Many businesses are solely based on information stored in computers. Personal staff details, client lists, salaries, bank account details, marketing and sales information may all be stored on a database. Without this information, it would often be very hard for a business to operate. Information security systems need to be implemented to protect this information.
Effective information security systems incorporate a range of policies, security products, technologies and procedures. Software applications which provide firewall information security and virus scanners are not enough on their own to protect information. A set of procedures and systems needs to be applied to effectively deter access to information.
There are people who make a living from hacking or breaking through information security systems. They use their technological skills to break into computer systems and access private information. Firewalls, which are designed to prevent access to a computer's network, can be bypassed by a hacker with the right hardware. This could result in the loss of vital information, or a virus could be planted and erase all information. A computer hacker can gain access to a network if a firewall is shut down for only a minute.
One of the biggest potential threats to information security is the people who operate the computers. A workplace may have excellent information security systems in place, but security can be easily compromised. If a help desk worker gives out or resets passwords without verifying who the information is for, then anyone can easily gain access to the system. Computer operators should be made fully aware of the importance of security.
Simple security measures can be used by everyone to keep data secure. Changing passwords on your computer, and using combinations of letters and numbers, makes it harder for hackers to gain access. Also, do not keep a note of your password where it can be easily accessed. This is the same idea as not keeping you bank card and PIN number together. You would not want anyone to have access to the information or funds in your bank account, and it is the same with your computer. There has never been such a thing as a totally secure system. Hackers will always find more sophisticated ways to gain access.
His youth was spent in Le Havre, where he first excelled as a caricaturist but was then converted to landscape painting by his early mentor Boudin, from whom he derived his firm predilection for painting out of doors.
In 1859 he studied in Paris at the Atelier Suisse and formed a friendship with Pissarro. After two years' military service in Algiers, he returned to Le Havre and met Jongkind, to whom he said he owed `the definitive education of my eye'.
He then, in 1862, entered the studio of Gleyre in Paris and there met Renoir, Sisley, and Bazille, with whom he was to form the nucleus of the Impressionist group.
Monet's devotion to painting out of doors is illustrated by the famous story concerning one of his most ambitious early works, Women in the Garden (Musée d'Orsay, Paris; 1866-67). The picture is about 2.5 meters high and to enable him to paint all of it outside he had a trench dug in the garden so that the canvas could be raised or lowered by pulleys to the height he required.
Courbet visited him when he was working on it and said Monet would not paint even the leaves in the background unless the lighting conditions were exactly right.
This text is an excerpt from The WebMuseum, Paris
Gogh, Vincent (Willem) van (b. March 30, 1853, Zundert, Neth.--d. July 29, 1890, Auvers-sur-Oise, near Paris), generally considered the greatest Dutch painter and draughtsman after Rembrandt.
With Cézanne and Gauguin the greatest of Post-Impressionist artists. He powerfully influenced the current of Expressionism in modern art. His work, all of it produced during a period of only 10 years, hauntingly conveys through its striking colour, coarse brushwork, and contoured forms the anguish of a mental illness that eventually resulted in suicide. Among his masterpieces are numerous self-portraits and the well-known The Starry Night (1889).
This text is an excerpt from The WebMuseum, Paris
Russian-born French painter. Born to a humble Jewish family in the ghetto of a large town in White Russia, Chagall passed a childhood steeped in Hasidic culture.
Very early in life he was encouraged by his mother to follow his vocation and she managed to get him into a St Petersburg art school. Returning to Vitebsk, he became engaged to Bella Rosenfeld (whom he married twelve years later), then, in 1910, set off for Paris, 'the Mecca of art'.
He was a tenant at La Ruche, where he had Modigliani and Soutine for neighbours. His Slav Expressionism was tinged with the influence of Daumier, Jean-François Millet, the Nabis and the Fauves.
He was also influenced by Cubism. Essentially a colourist, Chagall was interested in the Simultaneist vision of Robert Delaunay and the Luminists of the Section d'Or.
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