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- Scareware scammers hijack Twitter trending topics
- Researchers from F-Secure and Sophos are reporting on an ongoing scareware serving campaign abusing the popular micro-blogging service Twitter. Hundreds of tweets using four different URL shortening services are currently spammed through the automatically registered Twitter accounts, relying on a pseudo-random text generation using Twitter's trending topics....
- Tags: Twitter Inc., Spamming, Spam, Cyberthreats, Viruses And Worms, Security, Spam And Phishing, Dancho Danchev
- Blog posts 2009-09-23
- Spammers harvesting emails from Twitter - in real time
- Spammers are no strangers to the ever-growing Twitter. From commercial Twitter spamming tools, to re-tweeting trending topics for delivering their message, a new crafty search technique can provide spammers with fresh and valid emails harvested from Twitter's users in real-time. Basically, the search query consists of common...
- Tags: Spammer, Twitter, E-mail, Spam, Online Communications, Security, Spam And Phishing, Dancho Danchev
- Blog posts 2009-05-13
- Audio CAPTCHAs easy to crack, according to researchers
- A great story over at Ars Technica today details the efforts of the Carnegie-Mellon University team behind the reCAPTCHA service, who has turned its attention to the audio CAPTCHAs used by the visually impaired. These audio CAPTCHAs consist of a string of spoken characters, typically masked and distorted by...
- Tags: CAPTCHA, Audio, Andrew Nusca
- Blog posts 2008-12-08
- If+CAPTCHAs+are+decommissioned+what+comes+next%3F
- If+CAPTCHAs+are+decommissioned+what+comes+next%3FWell ...And im so going to anger the privacy advocates here...Maybe we can create a token system. I want to sign up for a service at say, ZDNet, WELL I proceed with my sign up...however, I also have to insert a token into my computer (that through a special ACTIVX,...
- Tags: CAPTCHA
- Discussion threads 2008-02-26
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