A festive "present" from virus writers
Spywares and Adwares intrude more and more into computer life, bringing new threats from the vast expanses of the World Wide Web, viruses including. Analysts of Doctor Web. Ltd. every day supplement the virus bases of Dr.Web with new updates allowing users to keep their computers and networks at the highest level of security. But virus writers are also wide awake.
Once again a security company Secunia informs on the new vulnerability discovered in different Internet browsers. This time it affects such popular software as Internet Explorer, Mozilla/Firefox, Opera, Konqueror, Safari and Netscape.
The vulnerability allows a malefactor to infiltrate into systems through a pop-up window opened by a user from the known to him, and trusted, as he thinks, web-resource. But, instead of the advertisement a user expects to see, his vulnerable browser opens a window with the malicious code inoculated into it.
This is the way it happens.
Firstly, a user opens some new and unknown to him web-page in one window of the browser (this page contains a malicious code). Then, in the next window, the user opens a known web-resource. If this known to him resource generates a pop-up window (a criminal should have known its name), there exists a possibility to inject a malicious code into this pop-up window. As a result, the user will actually receive the data from another window through which his sensitive information may leak to a malefactor.
Doctor Web. Ltd. reminds once more that these weeks before New Year and Christmas users have to be extremely cautious when visiting unknown web-sites with unimaginable discounts at sales and special advertising offers. From such web-resources Trojan programs, spy- and adwares most often penetrate your computers.
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