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Researchers Discover Twitter-Controlled Bitcoin Bot F-Secure has discovered a bot that commands Twitter accounts to help in the generation of Bitcoins. Security firm F-Secure has discovered a bot that compromises Twitter accounts to help in the generation of Bitcoins. Bitcoin is a decentralized virtual currency that was formed by programmers in 2009, and is generated by programming computers to calculate highly complex math problems. The more computing power you have, the faster you can create Bitcoins; this is why Bitcoin rigs often look like massive sculptures of connected servers. According to an F-Secure blog post, the Twitter-based command below generates a bot that can control the Twitter user's computer and add it to a bitcoin mining rig. Last month Symantec blogged about the potential of creating botnets used to mine bitcoins, without the computer owner ever knowing. Bitcoin has found fans in libertarians, hackers of all shades, computer programmers, and more. For more, see "Which Bitcoin Exchange Can You Trust?"
Início Information Warfare Monitor The Information Warfare Monitor (IWM) was an advanced research activity tracking the emergence of cyberspace as a strategic domain. It closed January 2012. It was a public-private venture between two Canadian institutions: The SecDev Group, an operational think tank based in Ottawa (Canada), and the Citizen Lab at the Munk School of Global Affairs, University of Toronto. It was an independent research effort and its stated mission was to build and broaden the evidence base available to scholars, policy makers, and others. The research of the Information Warfare Monitor was supported by the Canada Centre for Global Security Studies (University of Toronto), a grant from the John D. and Catherine T. History[edit] Between 2003 and 2008, IWM carried out a number of studies, including monitoring the status of the Iraqi Internet during the 2003 invasion, the 2006 Israel Hezbollah war, the 2008 Russian Georgian war, and the January 2009 Israeli operations in Gaza. Activities[edit] Case studies.
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Virtual private network VPN connectivity overview A virtual private network connection across the Internet is similar to a wide area network (WAN) link between sites. From a user perspective, the extended network resources are accessed in the same way as resources available within the private network.[2] VPNs allow employees to securely access their company's intranet while traveling outside the office. Similarly, VPNs securely connect geographically disparate offices of an organization, creating one cohesive network. VPN technology is also used by Internet users to connect to proxy servers for the purpose of protecting personal identity and location. Types[edit] Early data networks allowed VPN-style remote connectivity through dial-up modems or through leased line connections utilizing Frame Relay and Asynchronous Transfer Mode (ATM) virtual circuits, provisioned through a network owned and operated by telecommunication carriers. VPN systems may be classified by: Security mechanisms[edit] Authentication[edit]
Online convert TIFF JPG JPEG EPS PCX PDF PNG PSD SVG TGA TIF ICO BMP Heroku | Cloud Application Platform xml - Como implementar um SVG? - Stack Overflow em Português Na verdade o SVG que você postou não é um simples círculo. É um objeto que contém um círculo. É importante distinguir isto pois se você estiver tentando posicionar o círculo, não vai funcionar a menos que você entenda o objeto no qual ele está contido. É importante entender os atributos que você está usando para descrever o SVG. Vou remover os que são irrelevantes para esta questão e manter apenas os outros: <svg xmlns=" version="1.1" width="210mm" height="297mm" viewBox="0 0 21000 29700"> ... Você está usando os atributos height e width em mm, então essa unidade valerá para os valores que você estiver usando dentro do SVG. O que você tem aqui é uma tela de 210x297mm com um círculo situado mais ou menos no meio. Eu fiz um JSFiddle onde troquei mm por px para que o SVG inteiro fosse visível na tela. Você pode posicionar esse SVG na página como quiser usando CSS. <div id="circulo"><svg> ... Assim você define as dimensões que desejar. Veja JSFiddle no. 2