Researchers from Sophos have intercepted a currently ongoing Facebook scam which exposes users to Mac scareware.
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The feature basically offers DIY two factor authentication, with users having to not only enter their passwords, but also, the code that they receive on their mobile devices, or generate for themselves.
New report claims 17.5 percent recognition rate of Google's reCAPTCHA, arguing that a small botnet can register 864,000 new accounts per day. Is machine-learning the real threat?
Originally exposed as a botnet redirecting and monetizing hijacked traffic to over 200,000 parked domains primarily located in the Bahamas...
Any research is prone to irrelevance if it starts with the wrong research questions, takes the wrong perspective, or in this case, attempts to fight the wrong enemy - automated bots attempting to recognize CAPTCHAs.Researchers at Google recently released a paper detailing a new CAPTCHA system consisting of correct image rotation (Socially Adjusted CAPTCHAs) whose main purpose is to make it easier for humans, and much harder for bots to recognize them.
It took only a couple of months for cybercriminals to catch-up and reintroduce the massive spam volumes that briefly disappeared following the shutdown of the cybercrime ecosystem's sitting duck McColo in November, 2008.According to Google's Postini Spam data and trends for Q1 2009, during the first quarter of the year the spam volume was the strongest since 2008, increasing with an average of 1.
Breaking Gmail, Yahoo and Hotmail's CAPTCHAs, has been an urban legend for over two years now, with do-it-yourself CAPTCHA breaking services, and proprietary underground tools assisting spammers, phishers and malware authors into registering hundreds of thousands of bogus accounts for spamming and fraudulent purposes.
Last week, Google's Niels Provos made an announcement regarding a newly introduced feature aiming to help owners of compromised sites in understanding the implications of the compromise, as well as the malicious events that took place when Google last indexed the site.