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YouTube has been forced to fix a flaw allowing hackers to bombard users with fake pop-up messages and redirect them to adult sites.

Initial reports suggested that YouTube had been hit by a virus

Hackers placed code in the comments section, under targeted videos, that would run when people watched the clip.

In some cases, a pop-up screen appeared reporting that the Canadian singer, Justin Beiber, had died in a car crash.

Google, which owns the YouTube, said that it had fixed the problem “about two hours” after it was discovered.

“We took swift action to fix a cross-site scripting (XSS) vulnerability on youtube.com,” a spokesperson said.

“Comments were temporarily hidden by default within an hour, and we released a complete fix for the issue in about two hours.

Nasty attacks

Cross-site scripting (XSS) vulnerabilities are relatively simple attacks that allow hackers to place code into web pages.

In the YouTube incident, hackers used JavaScript code and HTML, both commonly used on web pages.

Security experts said that although in most cases the code was relatively benign, it has been used for more malicious purposes.

“The thing with a cross-site scripting attack is that it will appear that it is a message being posted by that website, which gives it a certain legitimacy, Graham Cluley of security firm Sophos told BBC News.

“It could be used to show a message that tells you to update your password; it could link to a malicious website; or it could attempt to phish you.”

Phishing is a common tactic used by cybercriminals and involves using fake websites to lure people into revealing details such as bank accounts or login names.

“I’ve seen nasty XSS attacks that are used to fake whole login screens and we know how many people use same passwords for multiple accounts,” said Bojan Zdrnja of the Internet Storm Centre in a blog post.

Mr Cluley said that repsonsibility for these kinds of vulnerabilites was down down to how securely a website was written.

“Web programmers need to be much more careful with their code.”

Google said it was “continuing to study the vulnerability to help prevent similar issues in the future”.

When the vulnerability was first reported, rumours suggested that YouTube was infected with a virus.

(official report By BBC)

Understanding and utilizing the interactions between environment and nanoscale materials is a new way to resolve the increasingly challenging environmental issues we are facing and will continue to face. Environanotechnology is the nanoscale technology developed for monitoring the quality of the environment, treating water and wastewater, as well as controlling air pollutants. Therefore, the applications of nanotechnology in environmental engineering have been of great interest to many fields and consequently a fair amount of research on the use of nanoscale materials for dealing with environmental issues has been conducted.

The aim of this book is to report on the results recently achieved in different countries. It provides useful technological information for environmental scientists and will assist them in creating cost-effective nanotechnologies to solve critical environmental problems, including those associated with energy production.

-Presents research results from a number of countries with various nanotechnologies in multidisciplinary environmental engineering fields
-Gives a solid introduction to the basic theories needed for understanding how environanotechnologies can be developed cost-effectively, and when they should be applied in a responsible manner
-Includes worked examples that put environmental problems in context to show the actual connections between nanotechnology and environmental engineering

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Mozilla’s Firefox just became the official browser of IBM.

The announcement came on Bob Sutor’s blog this morning and means that tens of thousands of new users will be downloading Firefox at work – and, quite possibly, many will do it at home as well.

Sutor is VP of Open Source and Linux in IBM’s Software Group, so it comes as no surprise that he supported this move. But this isn’t merely for his division. Or even for the Software Group. This is for all 400,000 IBM employees all over the world.

All computers – whether on Windows, Mac or Linux OS – will be loaded with the software from now on. Employees will be urged to – expected to – make it their default browser.

And IBM will encourage all its vendors of browser-based software to fully support Firefox as well.

Why Firefox? “Firefox is now the gold standard for what an open, secure, and standards-compliant browser should be,” Sutor wrote. IBM has contributed to Firefox over the years, too, and will continue to.

Sutor cited the shift to cloud computing as another reason for the change. Cloud computing, to be successful, requires open standards to be used. After all, if everyone enters the cloud using different infrastructure, it’s going to be difficult to share data and truly access it from anywhere.

The reasons Sutor gave for why he loves Firefox:
* Firefox is stunningly standards compliant, and interoperability via open standards is key to IBM’s strategy.
* Firefox is open source and its development schedule is managed by a development community not beholden to one commercial entity.
* Firefox is secure and an international community of experts continues to develop and maintain it.
* Firefox is extensible and can be customized for particular applications and organizations, like IBM.
* Firefox is innovative and has forced the hand of browsers that came before and after it to add and improve speed and function.

For a company the size of IBM to make this change and publicly encourage anyone and everyone to use Firefox as the default browser at home, too, is a huge boost for Mozilla.