On May 18th, the Senate voted to let 30, 000 more foreign computer programmers, health professionals and other skilled workers into the United States to relieve local labour-market shortages.
In April, Zuckerberg penned an op-ed in the Washington Post calling for revised immigration policies so that U.S. companies can better attract the most talented foreign-born computer scientists.
Residents of the South Carolina learned about the vulnerability of their state computer systems the hard way, after a hacker operating from a foreign IP address gained access to a computer that stored taxpayer information.
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In computer science, foreign nationals made up 58 percent of the fulltime graduate students, while 61 percent of the students in statistics and 60 percent in economics were also foreign nationals.
The National Security Agency says foreign governments already have developed such computer attack capabilities.
You might have been identified as outside the UK because your computer is on a foreign-based network, or is routed overseas (sometimes the case with work connections if your employer is not UK-based).
Earlier this month, Iain Lobban, the head of GCHQ, told a cyber security conference in London that a "significant" attempt was made to target the computer systems of the Foreign Office and other government departments over the summer.
"The thing that limits us is hiring the world's best engineers, " he says, noting that 60 percent of the students at the top U.S. computer-science departments are foreign-born.
No, it was a computer-driven trade based on a foreign currency.
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In July, General Keith Alexander, head of the NSA, said during an interview at the Aspen Security Forum in Colorado, that the number of computer attacks from hackers, criminal gangs and foreign nations on American infrastructure had increased 17-fold from 2009 to 2011.
On that day, the U.S. Citizenship and Immigration Services (USCIS) is scheduled to start accepting applications for the limited supply of H-1B visas, which allow businesses to employ foreign workers with special skills such as teachers, scientists and computer programmers for an initial period of up to three years.
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Matloff teaches computer science, and says there's deep public anger over foreign high-tech workers' impact on Americans.
Other companies that lack IBM's and Sun's levels of foreign revenue and could be more exposed to the risk of a chilling U.S. computer market are Cisco, which splits its business nearly evenly between the United States and the rest of the world, and Computer Sciences, which draws about 70% of its business from the United States.
Other companies that lack IBM's and Sun's levels of foreign revenue and could be more exposed to the risk of a chilling U.S. computer market are Cisco (nasdaq: CSCO - news - people ), which splits its business nearly evenly between the United States and the rest of the world, and Computer Sciences (nyse: CSC - news - people ), which draws about 70% of its business from the United States.
Foreign students represent half of all U.S. graduate enrollments in engineering, math, and computer science.
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Such solutions deal with only a few of "thousands of related issues, " Upson said, including how to handle product sales to American consumers that take place on American company-owned servers based in foreign countries and how to tax the sale of digital goods and intellectual property such as software and computer-generated music.
According to the National Science Foundation, during the last half-century, foreign-born students earned three-quarters of U.S. doctorate degrees in mathematics, engineering and computer science.
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The Microsoft chairman says there is a deficit of Americans with computer-science degrees, and he wants the government to make it easier for Microsoft to hire foreign-born workers.
The Foreign Secretary William Hague revealed in February that computers belonging to the government had been infected with the "Zeus" computer virus, after users opened an e-mail purporting to come from the White House and followed a link.
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