The successful penetration testing of a major time-sharing operating system is described. The educational value of such a project is stressed, and principles of methodology and team organization are discussed as well as the technical conclusions from the study.
Graves' thyroid ophthalmopathy primarily affects women in their third through sixth decade. Sixty-seven patients with clinical myopathic ophthalmic Graves' disease examined (by SCB) between 1982 and 1989 were measured for changes in upgaze intraocular pressure and strabismus. Special attention was paid to "masquerade" symptoms, including pseudosuperior… (More)
We study financial contracting when both an entrepreneur's investment and the resulting revenue are unobservable to an outside investor. We show that a debt contract is always optimal; repayment is induced by a liquidation threat that increases with the extent of default. Moreover, when the entrepreneur's decision concerns the scale of his project, a… (More)