Internet Browsers – the main threat to corporate networks

Posted: April 22, 2013 in Security Notices
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MicrosoftIn the second half of the 2012 attack on web-browsers have surpassed even the level of the spread of a dangerous virus Conflicker.

Microsoft submitted a report Microsoft Intelligence Report, which indicates that browsers represent the main threat for corporate networks.

The report is based on data collected in the second half of 2012, with one billion computers users in more than 100 countries. The study found that attacks on users’ browsers are currently the greatest threat, exceeding the level of risk, even a computer worm Conflicker, which since 2003 has infected millions of home and corporate systems in more than 200 countries.

The use of malicious code and JavaScript-embedded iFrame topped the list of threats. These types of attacks have become popular due to the development of tools available in the BlackHole exploit kit.

According to Microsoft, in the fourth quarter of last year the number of the found attacks with use of built-in iFrame increased twice. Hackers use iFrame to place on legitimate websites links to malicious portals. Seven out of ten attacks that have claimed computer systems of different enterprises, carried out by malicious resources.

In Microsoft noted that attackers are increasingly targeting the browsers in the past few years, and perhaps in the future, such an attack will consolidate its leading position among all computer threats. Experts note that the situation certainly requires the development of mechanisms to replace the web-browsers.

Despite the fact that Microsoft remains committed to Interent Explorer, the company is testing a new client architecture that will replace the browser more secure virtual environment, which will use the web-application. A new technology called “Embassies” is an application of low-level – containers for native code that uses Internet addresses to communicate with other applications.


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