Posted by admin | Posted in Uncategorized | Posted on 26-04-2011
Tags: streaming, tv, video, web2.0, webcam
How Serious is the Clickjacking Threat?
Tech news sites such as ZDnet have reported that clickjacking is a potentially serious threat that can affect any browser.
Clickjacking in a Nutshell
Briefly, clickjacking is accomplished by a malicious page hiding behind what appears to be a safe page. When you click on an item, your computer is “clickjacked” by the malicious code, which then hijacks various components of your computer.This takes place without your knowledge.
Typically, clickjacking will affect webcams, but it can also hijack other areas of your computer. For example, your microphone or sound system can be exploited, or your computer can be taken over in other ways.
Adobe’s Flash Player was particularly vulnerable to clickjacking threats; however, Adobe has come out with a fix to address the issue.
Is This Only an Explorer or Firefox Problem?
Clickjacking is a malicious piece of code that can affect any Internet browser. Merely disabling javascript will not fix it.
A “No Script” add-on that works with Firefox is the only known solution.
Problems with the Clickjacking Fix
After using No Script for a week or so, I disabled it because it made web surfing a chore. Every site that I visited was blocked to some degree or another because the site contained YouTube videos, ads or javascript coding. For instance, the following were all blocked by No Script:
- Google Analytics
- Pepperjam network
- Peelaway Ads
- Voxant’s newsroom
- Chitika
- and many, many more (see the partial list of affiliate programs and other utilities blocked by No Script).
Google’s Adsense is one of the few advertising networks that are automatically whitelisted by the No Script add-on. Most of the others will need to be approved manually. It is doubtful that the average Internet user will whitelist advertising networks.
If clickjacking is indeed a serious threat and script blocking solutions are the only way to fight back, then I can see online advertising taking a big hit. Even the big boys’ ads, such as those delivered by Adserver Plus, were blocked by the Firefox add-on.
Conclusion: Maybe the Threat is Overrated
My web browsing experience is back up to speed since I’ve disabled No Script and so far I haven’t been hit by any type of clickjacking activities. Perhaps the threat is more overrated than it actually is.
The NotGuru blog has posted some videos that show exactly how clickjacking works and how to install fixes.
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