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Subscription Bombing: COI, CAPTCHA, and the Next Generation of Mail Bombs 2016-09-16 UTC
Internet harassment is becoming an increasingly ugly and widespread issue, and over the weekend of August 13-14 it spilled into territory we could do something about. After a few weeks of low level activity, over that weekend some unknown cyber criminals launched a targeted attack on over 100 government email addresses, using bots to create mailing list subscription requests at the rate of over 1000 per minute. Effectively, this was a denial of service attack, rendering the government mailboxes useless for considerable time. Over the next couple of months the targets expanded from government addresses to others, some of which were targeted and timed to be especially disruptive.... (>)

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