Cyren Security Blog

SEC Freezes Hi-Tech Pump and Dump Scheme

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“These perpetrators effectively cut out the middleman of the old-fashioned pump-and-dump scheme, eliminating phony stock promotions, creating their own artificial trading demand, and consummating their fraud in as little time as a couple of hours.” - SEC Office of Internet … Continue reading →

Humans asked to help Gmail anti-spam

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Gmail anti-spam engineer calls to users to report spam. From a recent google blog entry “How can you help in the fight? Your most powerful tool is the “Report Spam” button. Use it early and often. That isn’t just there … Continue reading →

SANS on Storm Worm

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SANS Institute is a serious and, probably, the most trusted information security organization. They issue SANS Newsbit email letter covering interesting security-related news. Today, one of the topics they covered was Securityfocus.com’s article about Storm Worm trojan defeating AV products. … Continue reading →

Verizon Wireless fights SMS spammers

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Verizon Wireless has won a permanent injunction against Specialized Programming and Marketing LLC, prohibiting the company from sending text message spam to Verizon Wireless customers. Specialized Programming and Marketing is also required to pay $200,000 in damages. Text message spam … Continue reading →

Google blocking google as spam?

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It’s not nice to talk about the performance of other anti-spam engines, but this false positive is just too cute to ignore. One our engineers pointed out to me how ironic it was that Gmail had blocked two of his … Continue reading →

Math vs. Spam

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Jared Saia, assistant professor of computer science at the University of New Mexico School of Engineering is using mathematics to construct a defense against the spammers, hackers, worm builders, virus constructors and all the other villains of the virtual world. … Continue reading →