Monthly Archives: April 2010

Is Your Facebook Account for Sale to Criminals?

VeriSign, an Internet security services vendor, has revealed that criminals are offering for sale 1.5 million compromised Facebook accounts to buyers for pries ranging from $15 to $45 per 1000 accounts, The higher prices are for accounts with more contacts. As Facebook has about 300 million to 400 million users, 1.5 million accounts represents about 0.375% to 0.5% of their user base. But the true impact may be far larger, possibly affecting tens of millions of Facebook users. Continue reading

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Google Says 15% of Malware is Fake Antivirus Ads

The next time you are browsing away on the web and see a pop-up offering you antivirus software or alerting you that your computer is infected and you need to repair it, be very cautious. It is quite likely the pop-up display is an advertisement intended to spread malware to infect your computer. Don’t doubt this because you’re looking at a web page from a major media company like the New York Times or an ad served by Google or Yahoo, either. All of these and more are having problems with their advertising services being subverted into malware distribution systems. Continue reading

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Government Use of Social Networks for Investigations

If you’re wondering how law enforcement agencies may use social networks and the Internet to track down people and information on them, the Electronic Frontier Foundation has obtained information from the US Internal Revenue Service and US Department of Justice that may help you understand their policies and methods. Continue reading

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Facebook Doesn’t Remove Deleted Pictures and Videos

ZDNet is reporting that even a year after Cambridge University security researchers reported on how many social networks were not erasing the pictures and videos uploaded by users after the users deleted them, Facebook and a few other social networks and blogging services still have the same problem.

In Facebook does not eraser user-deleted content, writer Zack Whittaker describes an experiment he ran showing exactly what happens. Deleted pictures and video files continue to remain available via hyperlinks that pointed to them prior to deletion.
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China Aims to Censor International Web Sites via Internet Attacks

News Limited, a Rupert Murdoch company in Australia, has reported a pattern of politically motivated attacks on its web sites originating from China. These are distributed denial of service (DDOS) attacks designed to overwhelm the company’s web servers or otherwise impair their ability to serve content to Internet users. The attacks are being accompanied by threatening emails demanding that articles critical of the Chinese government should be taken down. Continue reading

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