Tweeter
Loudspeaker small used to reproduce frequencies acute.
Twofish
Symmetric encryption algorithm for encrypting blocks of 128 bits in 16 rounds with a variable key length (128, 192 or 256 bits), developed by Counterpane Labs.
Typosquatting
Technique based on the probability that a certain number of users will one day be a typing error accidentally using a touch close to matching the correct letter, ignoring a letter, or mistaking of domain (. com instead of. com for example). Thousands of addresses differ by a small detail from those of well known sites have been identified.
In some cases this does not correspond to actual dishonesty, but a simple trick. Thus www.whitehouse.com (and no. Gov) is a real estate agency of the United States. www.gogle.fr is a commercial website. But a few years ago www.gogle.com corresponded to a pornographic site, which is more serious. Currently Google acquired this address that redirects to the official Google site.
The porn sites are of course likely to exploit the typosquatting. Another use is dishonest to divert customers from one site to another competing site. Finally a similar technique is used to divert mail to addresses known.
One can expect that the sample www.gookle.com (do not go on this site, it disseminates spyware!) Is widely followed soon as a means of disseminating virus. Although the name of the person who files a domain name is known, but unfortunately it is also known that it resides in some foreign countries, the fraudster does not risk much.
To the Board to maintain its updated navigation tools Internet we can add two more: Internet Explorer will be the target for disseminating malware by this method. Using another browser you'll be much more secure. The "vaccination" of thecomputer by Software free SpywareBlaster protect you against thousands of malware. Finally some anti-spyware (such as Spybot Search and Destroy) have a resident module that will notify you if a program (probably malware) tries to surreptitiously installed on the computer.
But in future, be careful in typing the address of sites well known: they are obviously prime targets for this type of diversion.
UAC
UAC, for User Account Control, describes a security system that debuted in Windows Vista. The Software controls the right to run programs and access to certain files, both system administrator and the user. Thus the flexibility of malicious software (or malware) Is restricted.
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