Posts Tagged: Internet security


Trojan Decodes Captchas Using Stolen Commercial Tools

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A new Trojan quietly circulating in the wild uses components from a commercial optical character recognition (OCR) application to decode captchas, those jumbled-text images meant to help a website discern human activity from automated bots. The OCR-using captcha breaking tool is just one component of the Trojan. Its main purpose appears to be to fill out contest entries, online polls, and other forms relating to marketing campaigns originating in the US, and it uses the OCR-cracking software in order to read the captchas and submit the form entries, on pages where the website presents a captcha to the user. And […]

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Oh, Hush Chicken Little – The Sky is Not Falling: Why Cloud Security is Still Safe

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By Brian Czarny This week it was impossible to escape the “big news” that Twitter got hacked. The French hacker, known as “Hacker Croll,” who made headlines back in May for a similar Twitter breach, was at it again. This time he managed to get his hands on at least 310 sensitive Twitter business documents by gaining access to an employee’s email account, subsequently using information found in that account to then access the employee’s Google Apps account to steal the confidential company documents. The hacker sent the documents to TechCrunch, who then chose to publish them along with an […]

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Stepping up to the Loserbar

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Last year, we at Webroot (as well as many other people) saw a huge spike in two specific types of malware: Rogue antispyware products — the ineffective, deceptive kind — and the various tricks the companies that sell rogues use to trick you into downloading (and eventually buying) their bogus products, something we refer to, generally, as Fakealerts. Here’s usually how the trick works: First, you’re fooled into browsing to a Web site which employs any of a number of tricks to install the Fakealert code onto your PC. The Fakealert then begins popping up messages warning you about some […]

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