Posts Tagged: QA


Cybercrime Trends 2013 – Year in Review

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It’s that time of the year! The moment when we reflect back on the cybercrime tactics, techniques and procedures (TTPs) that shaped 2013, in order to constructively speculate on what’s to come for 2014 in terms of fraudulent and malicious campaigns, orchestrated by opportunistic cybercriminal adversaries across the globe. Throughout 2013, we continued to observe and profile TTPs, which were crucial for the success, profitability and growth of the cybercrime ecosystem internationally, such as, for instance, widespread proliferation of the campaigns, professionalism and the implementation of basic business/economic/marketing concepts, improved QA (Quality Assurance), vertical integration in an attempt to occupy […]

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How cybercriminals apply Quality Assurance (QA) to their malware campaigns before launching them

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By Dancho Danchev In 2013, the use of basic Quality Assurance (QA) practices has become standard practice for cybercrininals when launching a new campaign. In an attempt to increase the probability of a successful outcome for their campaigns — think malware infection, increased visitor-to-malware infected conversion, improved conversion of blackhat SEO acquired traffic leading to the purchase of counterfeit pharmaceutical items etc. — it has become a common event to observe the bad guys applying QA tactics, before, during, and after a malicious/fraudulent campaign has reached its maturity state, all for the sake of earning as much money as possible, naturally, through fraudulent means. In this post we’ll profile […]

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How mobile spammers verify the validity of harvested phone numbers – part two

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Just as we anticipated earlier this year in our “How mobile spammers verify the validity of harvested phone number” post, mobile spammers and cybercriminals in general will continue ensuring that QA (Quality Assurance) is applied to their upcoming campaigns. This is done in an attempt to both successfully reach a wider audience and to charge a higher price for a verified database of mobile numbers. In this post I’ll profile yet another commercially available phone/mobile number verification tool that’s exclusively supporting Huawei 3G USB modems. More details:

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How mobile spammers verify the validity of harvested phone numbers

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Have you ever received a blank call, and no one was on the other side of the line? What about a similar blank SMS received through your mobile carrier’s Mail2SMS gateway? There’s a high probability that it was a mobile spammer who’s automatically and efficiently verifying the validity of a recently harvested database of mobile numbers, with QA (Quality Assurance) in mind. These verified databases will be later on used as the foundation for a highly successful spam/scam/malicious software disseminating campaigns, thanks to the fact that the cybercriminals behind them will no longer be shooting into the dark. How do they do […]

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