(PhysOrg.com) -- The stock price of a company continuously changes, going up or down depending on the collective activity of a large number of investors. Although this process seems fairly straightforward, no one fully understands ...
(PhysOrg.com) -- In quantum cryptography, scientists use quantum mechanical effects to encrypt and then communicate confidential information. Although quantum cryptography codes are unbreakable in principle, even the best ...
(PhysOrg.com) -- An IBM Researcher has solved a thorny mathematical problem that has confounded scientists since the invention of public-key encryption several decades ago. The breakthrough, called "privacy homomorphism," ...
Mathematics
Jun 25, 2009
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It's Saturday, which means that in a universe where the arrow of time moves backward, people have to go to work tomorrow. In such a hypothetical universe, Garfield hates Fridays—tough to imagine. This week, we looked at ...
Sony's online PlayStation store was inaccessible to users for part of Monday in the latest possible cyberattack on the electronics and entertainment company.
Security
Dec 8, 2014
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Google is asking the Obama administration for permission to disclose more details about the U.S. government's demands for email and other personal information transmitted online in an effort to distance itself from an Internet ...
Internet
Jun 11, 2013
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(Phys.org)—The email resembled the organization's own employee e-newsletter and asked recipients to visit a website to confirm that they wanted to continue receiving the newsletter. Another email carried an attachment it ...
Computer Sciences
Jan 9, 2013
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Interpol has arrested 25 suspected members of the 'Anonymous' hackers group in a swoop covering more than a dozen cities in Europe and Latin America, the global police body said Tuesday.
Internet
Feb 28, 2012
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Researchers on Wednesday revealed a flaw in the way data is scrambled to protect the privacy of online banking, shopping and other kinds of sensitive exchanges.
Computer Sciences
Feb 16, 2012
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Statistical databases (SDBs) are collections of data that are used to gather and analyze information from a variety of sources. The data may be derived from sales transactions, customer files, voter registrations, medical ...
Mathematics
Dec 16, 2011
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Confidentiality is an ethical principle associated with several professions (e.g., medicine, law). In ethics, and (in some places) in law and alternative forms of legal resolution such as mediation, some types of communication between a person and one of these professionals are "privileged" and may not be discussed or divulged to third parties.
Confidentiality of information, enforced in an adaptation of the military's classic "need to know" principle, forms the cornerstone of information security in today's corporations. The so called 'confidentiality bubble' restricts information flows, with both positive and negative consequences.
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