A Regional Perspective on the Underground Economy

The Underground Economy

DDoS DDoS is distributed denial of service, or an attack that focuses on using the power of a large number of computers to deny users access to a particular service. This attack is powerful and can often bring down entire websites by hitting them with a large amount of traffic. It is difficult to defend against when the attacker is using a botnet because the machines are distributed across the ...

Underground Economy And Tax Gap

A Normative Dynamic Model of Regional Economy

    Dynamic model,   regional economy,   innovation.   This paper presents a normative balance mathematical model of regional economy that contains a lot of unspecified parameters which are not defined directly by the data of economic statistics. A method for estimation of the model parameters by application of parallel computations on multi-processors systems is presented. It is determined the...

The Underground Economy of Spam: A Botmaster's Perspective of Coordinating Large-Scale Spam Campaigns

Spam accounts for a large portion of the email exchange on the Internet. In addition to being a nuisance and a waste of costly resources, spam is used as a delivery mechanism for many criminal scams and large-scale compromises. Most of this spam is sent using botnets, which are often rented for a fee to criminal organizations. Even though there has been a considerable corpus of research focused...

Modeling Iran`s Underground Economy: A Fuzzy Logic Approach

The underground economy has long been of interest to economists and has devoted extensive studies to itself in economic literature. Through fuzzy logic approach in present research, we estimated the size of underground economy of Iran over the period of 1978-2010. For this purpose and according to theoretical bases and previous studies, variables such as GDP per capita, ratio of direct taxes to...