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Security is simple to understand but hard to ensure. In the times of Internet, this task has been becoming harder every day. To date, computer science has not solved how to prevent the misuse of business processes. While data objects can be protected, a process cannot. The reason is the security of a process depends not only on its individual accesses and can only be accessed upon the process' termination or when cast into the context of other processes. Many unbelievable scandals encompassing sophisticated and powerful players, from Microsoft to Sony and credit card operators, from leakages in governments to cyber crime and war attacks could not be prevented despite heavy investment in security.
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