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Thursday, 10 November 2011
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Tuesday, 8 November 2011
'Socialbots' steal 250GB of Facebook data
Image by IvanWalsh.com via FlickrSocialbots", computer programs resembling humans, have penetrated Facebook and harvested 250 gigabytes of personal information belonging to thousands of users on the social networking site, according to researchers from the University of British Columbia.
In an academic paper released Wednesday, researchers said social networks were "highly vulnerable" to large-scale infiltration attacks, having achieved an 80 percent infiltration rate during a test they conducted. The eight-week study was designed to gauge how vulnerable online social networks were to large-scale infiltrations by programs designed to mimic real users.
Researchers released 102 "socialbots" targeting Facebook, including a name and profile picture of a fictitious Facebook user, which were capable of posting messages and sending friend requests. These bots were then used to send requests to 5,053 randomly selected Facebook users and each account was limited to sending 25 requests per day to prevent triggering anti-fraud measures.
In the first two-week "bootstrapping" phase, of the 976 requests sent, about 19 percent were accepted.
Over the next six weeks, the bots sent connection requests to 3,517 Facebook friends of users who accepted requests during the first phase. Of these, 2,079 users or about 59 percent, accepted the second round of requests. Researchers termed the increase, the "triadic closure principle", which predicted that if two users had a mutual friend in common, they were three times more likely to accept the connection.
"From the OSN (online social network) side, we show that it is not difficult to fully automate the overall operation of an SbN (socialbot network), including accounts creation," researchers wrote in the paper. "From the users' side, we show that most OSN users are not careful enough when accepting connection requests sent by strangers, especially when they have mutual connections."
They further found that networks' defense mechanisms, such as Facebook Immune System (FIS), were ineffective in identifying and eliminating fake profiles. Only 20 percent of socialbots were blocked by FIS and that was only because users flagged the account as spam.
The researchers cautioned that the data available to the bots could potentially be used for identity theft. "As socialbots infiltrate a targeted OSN, they can further harvest private users' data such as e-mail addresses, phone numbers and other personal data that have monetary value. To an adversary, such data are valuable and can be used for online profiling and large-scale e-mail spam and phishing campaigns," they said.
Sophos' senior technology consultant Graham Cluley wrote in his blog post that the research findings were "interesting". "Clearly, there's a lesson for Facebook users to learn about the need to carefully vet who you allow to become your Facebook friend, and what information you choose to share online," he said.
However, Cluley questioned whether the research was ethical.
"Facebook's security team is unlikely to look kindly on people who conduct experiments such as that done by the university researchers, and users are reminded that under Facebook's terms of services, you are not allowed to create fake profiles, should use your real name and should only collect information from other users with their consent," he said.
In response to the research, Facebook said in a statement that it had disabled more of the fake accounts than the researchers claimed.
A company spokesperson said: "We have numerous systems designed to detect fake accounts and prevent scraping of information. We are constantly updating these systems to improve their effectiveness and address new kinds of attacks. We use credible research as part of that process."
"We have serious concerns about the methodology of the research by the University of British Columbia, and we will be putting these concerns to them. In addition, as always, we encourage people to only connect with people they actually know and report any suspicious behaviour they observe on the site," the Facebook executive said.
Mobile phones of the future
Shown here is a phone from Kyocera's booth, called "Organic Transparent". This concept features a flip-out sheet of glass that is supposed to serve as an "augmented reality layer". The idea is that it can act as a screen on which information about businesses or a landmark it's pointed at can be projected.
3G fails to gather speed in India
Image via Wikipedia
Image via WikipediaINDIA--Introduced by private telcos nearly 10 months ago, 3G services in the country have failed to garner adoption amid customer complaints about slow speeds and patchy connectivity.
Udayan Bhatt, a manager with an IT firm in Mumbai and Airtel subscriber, signed up for 3G services but expressed his disappointment about the weak voice signal.
He told ZDNet Asia in a phone interview that he has yet to experience faster speed while browsing the Web on his mobile. "It's almost as good or bad as the GPRS [on 2G]," Bhatt said.
He noted, however, that the experience improves when watching videos. "And I do see better download speed when I am downloading apps on my phone," he said.
Kamlesh Bhatia, research director at Gartner, said in a phone interview: "Most consumers have found the 3G coverage to be patchy and the 3G experience, [especially with regard to entertainment and infotainment], to be inconsistent".
Subscribers have also noted that lack of 3G coverage in some pockets within the city, even after 10 months since 3G services were introduced. The installation process has yet to be completed, with many major towns still lacking 3G network coverage.
According to CyberMedia Research (CMR) estimates, as of Jun. 30, 2011, the number of 3G subscribers in India was approximately 10 million.
"It's a sluggish start, but is expected to improve in the coming quarters as 3G services are rolled out by operators in new cities and towns," Naveen Mishra, CMR's lead telecoms analyst, told ZDNet Asia.
Stats from the Telecom Regulatory Authority of India revealed there were 851.7 million mobile subscribers in the country in June 2011.
Operators paid a whopping US$14.6 billion in May last year to secure 3G spectrum.
"This has constrained operators' ability to invest in upgrading their networks," Mishra said in an e-mail, adding that this has resulted in low speeds, poor network quality and high pricing, and led to the slow takeoff of 3G services.
"In fact, some subscribers have reportedly moved back to 2G services due to the poor experience on 3G networks," he said. Other irritants slowing down 3G adoption include frequent call drops, the lack of network coverage in smaller cities and towns, low penetration of smartphones and fast battery drainout, the analyst added.
Cautious rollout over limited spectrum
According to Bhatia, the 3G auction last year had helped create curiosity about the technology. "Everyone was curious to know whether it can usher in a new experience to the user or not," he said.
According to Bhatia, the 3G auction last year had helped create curiosity about the technology. "Everyone was curious to know whether it can usher in a new experience to the user or not," he said.
Most of the operators started by offering free service subscription and starter packs to their subscribers. Simultaneously, they rolled out their networks, carried out testing and optimization on the network.
They also adopted phased implementation, for instance, calling Delhi a 3G-enabled area. However, doing so did not necessarily mean every corner of the Indian city would have access to 3G services. "Such an experience is detrimental to the value proposition of 3G," Bhatia noted.
More importantly, spectrum remains very limited in India, he added. "That's why operators have been cautious in rolling out value-added services," Bhatia said.
Romal Shetty, executive director and head of telecom at KPMG, told ZDNet Asia in a phone interview: "In India, the networks are getting choked so the operators are first focusing on voice."
He added that curiosity over 3G could only help telecom companies to a certain point. "The consumers see their signals change from 3G to EDGE network. They are not getting a consistent experience. Therefore, the excitement has not been there," he said.
Poor data traffic
To drive 3G usage, operators need to encourage more intensive data consumption, Shetty said. However, even in the case of 2G services, the ratio for subscriber consumption between data and voice is 8:92. "Content never really picked up in India," he added.
To drive 3G usage, operators need to encourage more intensive data consumption, Shetty said. However, even in the case of 2G services, the ratio for subscriber consumption between data and voice is 8:92. "Content never really picked up in India," he added.
In comparison, the split between data and voice is nearly 60:40 in Europe, 35:65 in the US, and 40:60 in Japan and Korea, he noted.
Shetty believes India's data-voice ratio can reach 20:80, adding that this will help improve the margins of operators. "But here, we are [still] trying to implement 3G while giving 2G services," he said.
In addition, the industry has not really developed any killer app for 3G, the Gartner analyst said, urging operators to partner relevant content developers to introduce new mobile apps.
"In my view, 3G will pick up after two to three years," Shetty said, noting that worldwide, 3G service is also not known to fetch high returns for operators.
Mishra concurred: "Although a good number of apps are available, it will take some more time for a full range of value-added services to become available in India."
According to the CMR analyst, operators and content providers would do well to develop apps for video-driven content based on specific religious, socio-cultural and sporting events, which are very popular among large sections of Indian society.
And while the country's adoption of smartphones is currently low, Mishra said when demand does pick up, it will drive 3G usage which would further feed the development of new apps. "[This] leads to a virtuous cycle of increased adoption, higher usage and new apps in the medium to long term," he said.
However, Shetty noted that such innovations have yet to take place because there is little incentive for content providers to do so. "In Europe, the content provider gets 70 percent of the revenue from value-added services and mobile content, while the operator gets 30 percent.
"In India, the operator gets to keep 80 percent of the revenue, while 20 percent goes to the content firm. In some cases, the content provider gets only 12.5 percent," he revealed.
Uncertainty over network investment
The bigger question concerning Indian operators involves investment. 3G is a capital-intensive business that requires incremental investments, but operators here are unsure whether they should first roll out 3G service nationwide or wait for subscribers to come onboard.
The bigger question concerning Indian operators involves investment. 3G is a capital-intensive business that requires incremental investments, but operators here are unsure whether they should first roll out 3G service nationwide or wait for subscribers to come onboard.
As such, many have adopted the phased approach and the low service adoption has resulted in disillusionment among the early birds.
"The fear of broadband wireless access (BWA) lurks large over 3G operators," Bhatia said, noting that there has been talk of unified licensing in this market segment. The government may also allow voice over BWA in future, he added.
"Under such circumstances, can 3G compete with BWA?" Bhatia posed.
Ultimately, though, India's networks are clogged and operators need to make the investments, even when they remain skeptical about pumping further investments as their profits are slumping.
Shetty said: "There is pressure from the shareholders to reverse that trend."
India's largest mobile operator, Bharti Airtel, last month announced a 28 percent fall in net profit, in its April-July 2011 quarter results, to US$252.8 million from US$349 million in the previous year. It attributed the drop to investments in 3G services and costs incurred in the acquisition of Africa's Zain Telecom.
"There is a lot of uncertainty in the market," Shetty said, noting that voice-over-IP today remains illegal in India. "If voice-over-BWA is allowed, everyone will be affected."
The country needs to overcome 2G scams and other regulatory uncertainties, and work toward a new telecom policy that eases merger-and-acquisition regulations for telcos, he added.
Concurred Bhatia: "We need more clarity on regulations."
Swati Prasad is a freelance IT writer based in India.
Monday, 7 November 2011
Mark Zuckerberg announced that Facebook will be shut down in March
Image via Wikipedia
Image via WikipediaPALO ALTO, CA –Mark Zuckerberg announced that Facebook will be shut down in March. Managing the site has become too stressful. “Facebook has gotten out of control,” said Zuckerberg in a press conference outside his Palo Alto office, “and the stress of managing this company has ruined my life. I need to put an end to all the madness.” Zuckerberg went on to explain that starting March 15th, users will no longer be able to access their Facebook accounts.
“After March 15th the whole website shuts down,” said Avrat Humarthi, Vice President of Technical Affairs at Facebook. “So if you ever want to see your pictures again, I recommend you take them off the internet. You won’t be able to get them back once Facebook goes out of business.” Zuckerberg said that the decision to shut down Facebook was difficult, but that he does not think people will be upset. “I personally don’t think it’s a big deal,” he said in a private phone interview. “And to be honest, I think it’s for the better. Without Facebook, people will have to go outside and make real friends. That’s always a good thing.” Some Facebook users were furious upon hearing the shocking news. “What am I going to do without Facebook?” said Denise Bradshaw, a high school student from Indiana. “My life revolves around it. I’m on Facebook at least 10 hours a day. Now what am I going to do with all that free time?” However, parents across the country have been experiencing a long anticipated sense of relief. “I’m glad the Facebook nightmare is over,” said Jon Guttari, a single parent from Detroit. “Now my teenager’s face won’t be glued to a computer screen all day. Maybe I can even have a conversation with her.” Those in the financial circuit are criticizing Zuckerberg for walking away from a multibillion dollar franchise. Facebook is currently ranked as one of the wealthiest businesses in the world, with economists estimating its value at around 7.9 billion. But Zuckerberg remains unruffled by these accusations. He says he will stand by his decision to give Facebook the axe. “I don’t care about the money,” said Zuckerberg. “I just want my old life back.” The Facebook Corporation suggests that users remove all of their personal information from the website before March 15th. After that date, all photos, notes, links, and videos will be permanently erased.
Here are Some Funny Firefox Tricks
Image via Wikipedia
Firefox is one of best browser and there are some funny tricks that you can do with your firefox browser.These will not harm your browser and they are tested in the latest version of firefox.So Why Not Just Try It?Here are Some Funny Firefox Tricks
To perform these tricks open your firefox browser and copy/paste the following Codes in your address bar And Press Enter.
chrome://global/content/alerts/alert.xul
- This will show you dancing firefox.Your firefox window will automatically popup anywhere at screen.
chrome://browser/content/browser.xul
- This will open another firefox within in a new tab.So you will have firefox within firefox.
chrome://browser/content/preferences/preferences.xul
- This will open firefox options dialog box in new tab.
chrome://browser/content/bookmarks/bookmarksPanel.xul
- This will open your firefox bookmark manager in new tab.
chrome://browser/content/history/history-panel.xul
- This will open your history in new tab.chrome://mozapps/content/extensions/extensions.xul?type=extensions
- This will open your extensions tab in your current window .
chrome://browser/content/preferences/cookies.xul
- This will Open the “cookies window” inside a tab in the Firefox window.
chrome://browser/content/preferences/sanitize.xul
- This will Open the “Clear Private Data” window inside the current tab.
chrome://browser/content/aboutDialog.xul
- This will Open the “About Firefox” Dialog box inside the tab.
chrome://browser/content/credits.xhtml
- This will Open a scrolling list of names. The one’s who we must thank for creating Firefox.
Thursday, 3 November 2011
Draw a Stickman
Draw a Stickman
Draw a Stickman is a fun site I learned about from Larry Ferlazzo's award nominated blog. It's simple to do and fun to watch the stickman walk around and talk out loud. Once an animation is done a user can share it w/ others via Twitter, Facebook, or email.I recommend checking out Draw a Stickman by clicking here!!
http://www.drawastickman.com
Tuesday, 1 November 2011
pic full create ur photo in different styles
Picfull
Picfull is a nice site for editing photos. Once a photo is uploaded a user can select from different effects and filters to apply to the picture, such as: sepia, glow, posterizer, etc. Once a picture is done it can be shared to popular networking sites (FB, Twitter) or saved/downloaded.I highly recommend checking out Picfull by clicking here below
http://www.picfull.com/
