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February 25, 2009

Broken Trust II: another victim on Facebook


A quick update on the Broken Trust: when a criminal becomes your friend on Facebook story I posted a few days ago: as it turns out, it sounds like there are more victims of this scam other than my friend Beny and his friend Bryan. As you can see from this WPIX report Eileen Rodriguez also had her facebook account broken into and her friend Shaila lost $650 when she wired money to someone that she thought was her distressed friend.


Interesting to note that scam details were similar and the destination account was in the UK in both cases, which hints at the possibility that both scams were perpetrated by the same people. More troublesome was that Beny's case happened in Jan whereas Eileen's, according to WPIX, happened on Feb 8th which may show that Facebook was not able to block the attackers even after they got notice of the first incident.


The public tally so far is: 2 Facebook identities stolen, 2 friends scammed and $1793 stolen. I suspect there could be more, leave a comment here if you know of anyone else that may have been victimized by this scam.

February 20, 2009

Broken trust: when a criminal becomes your friend on Facebook


Can you get scammed and lose money when you rely on social network sites to connect with friends ? Unfortunately the answer is yes.


A few weeks ago, my friend Beny stepped up to help one of his friends, Bryan, who was robbed at gunpoint in a foreign country.


We've all heard about friends getting in trouble during a trip, but what was new here was the fact that the distress call and help request came via Facebook status updates and instant messages.


As it turns out, the distress call was fraudulent and my friend ended up wiring a total of $1,143 to some fraudster account in England.


How could this happen ? Somehow, a fraudster got a hold of Bryan's Facebook username and password, studied his profile and started to reach out to his friends with the harrowing news and the request for help. The fraudsters were able to sound legitimate when instant messaging to Beny as they casually dropped bits and pieces of personal information that only Brian would know. Or, shall we say, only anyone with access to Brian's account would know. They went so far as leaving voice messages on Beny's phone asking for more money for Brian. After that, all that was left between the fraudsters and the money was Beny's good heart and a wire transfer.


Why are we seeing an increase in these types of attacks against non-financial sites (see also Twitter and Yahoo) ? Well, the answer is that fraudsters and criminals are always looking for the weakest link that can help them get access to your wallet.


Over the last 3 years, banks have stepped up their online banking security with measures such as second factor and risk based authentication. The bad guys did take note of that and are now trying to use the same tools they used against the banks to get access to your email, social network or work applications. There they can find information that can help them get access to your money without having to face the bank's security systems.


What is interesting about social networks is that it doesn't matter that you protect your own passwords, use the latest and greatest anti-virus or only transact with well authenticated EV sites. If any of your social network friends make a mistake and lose their Facebook or MySpace password, now your private information is exposed to a stranger or maybe even a criminal.


All that said, I'm a strong believer in the value of social networks and the hundreds of millions of people accessing them cannot be wrong: the power of sharing information online is really here to stay and we have only seen the beginning of this social fabric that we are building on top of the Internet.


What social network providers need to realize is that the growth and eventual monetization of these networks will depend on how well the user's data, identity and privacy is protected.


Beny will soon forget the $1000 or so that he lost, but I bet he won't recover his trust on social networks for a long time to come.


For more details on Beny and Bryan's case check the following video:

February 3, 2009

Watch out for the "Evil Twin" - Coming to a Hot Spot Near You

Imagine this scenario. You have a couple of hours to kill, so you log onto the free wireless access at an Internet cafe and check your personal email, maybe even make sure your latest check won't bounce by logging on to your banking site. (Whoops, that's just me).


What if a fraudster had set up that free WiFi you just logged into? How much of your personal information was just compromised? Well, this nightmare scenario is coming true. It's so widespread that it has even earned its own nickname: The "Evil Twin." Fraudsters can easily set up a fake hub and even name it to look legitimate, by using the name of a nearby store or cafe. Some people have noticed this in airports.


But don't lose hope: the "good guys" at the WiMAX Forum have defined a security model using two-way mutual authentication and they are creating standards that will protect us from this kind of scam. WiMAX is one of the standards for mobile broadband. It's not fully adopted anywhere yet, because only some providers have adopted it as a standard. But some of the big chip makers will be baking it into devices in the coming years so it will become more widespread.


Today we are announcing that the WiMAX Forum has chosen VeriSign as the Certificate Authority to secure the certificates that will go on WiMAX-enabled servers and devices.


Our PKI Product Manager, Charul Sadwelkar took a few moments to answer some of my questions about VeriSign's role in the WiMAX ecosystem. Charul used to work in the mobile industry so he knows all the jargon and he explained all the competing standards.


Question: "Are there any competing standards to WiMAX today?"
Answer: "There are competitive technologies that are in various stages of evolution. The one most commonly cited is the "Long Term Evolution" (LTE) roadmap, which is the path taken by the GSM and the GPRS service providers. But we believe that they are a little bit behind WiMAX which is spearheading the high-speed mobile Internet access revolution."


Question: "As part of VeriSign's PKI service for WiMAX, are we using any proprietary technologies?"
Answer: "VeriSign takes pride in the fact that we are a standards-based PKI provider. For the WiMAX ecosystem, we are not doing anything proprietary, these are very standard certificates with profiles as specified by the forum."


Question: "When will WiMAX be widespread?"
Answer: "It is in pilot roll-out in a couple cities in the US and in some Asian countries where the landline infrastructure is not particularly strong. We expect that WiMAX will be available in a widespread in a year or two from now."

Listen to the interview with Charul

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