Posts

Cookies Theft

Image
  In  computer science   session hijacking , sometimes also known as   cookie hijacking   is the exploitation of a valid  computer session —sometimes also called a   session key —to gain unauthorized access to information or services in a computer system. In particular, it is used to refer to the theft of a  magic cookies   used to authenticate a user to a remote server. It has particular relevance to  web developer , as the  HTTP cookies   used to maintain a session on many web sites can be easily stolen by an attacker using an intermediary computer or with access to the saved cookies on the victim's computer .  After successfully stealing appropriate session cookies an adversary might use the  pass the cookie technique   to perform session hijacking.     Cookie hijacking is commonly used against client authentication on the internet.   Modern web browsers use cookie protection mechanisms to prote...

Environmental awareness

Image
  Environmental Awareness Maybe some of you have seen posters, ads, and the like carrying the exhortation ''Go Green!'' But, what does it mean to ''go green''? It takes a variety of forms, but essentially, going green means being mindful of the natural environment and making economic choices that aren't harmful to the earth. For example, this might mean purchasing a glass or ceramic water bottle instead of using disposable plastic water bottles. Plastic takes an incredibly long time to break down, and a significant percentage of plastic makes it to the oceans, where it kills plant and animal life. Going green might also involve using an all-natural hair-care product, instead of a can of aerosol spray containing toxic chemicals. When people ''go green,'' they are practicing  environmental awareness . The term means exactly what you expect it to: being aware of the natural environment and making choices that benefit--rather than hurt--t...