Basecamp, Meetup hit by extortionist's 20Gb/s DDoS

If you're a Basecamp user who couldn't get into your account yesterday, here's why: the company refused to pay ransom to a criminal who hit them with a 20Gb/s denial-of-service flood, apparently by the same person who attacked Meetup, who uses gmail addresses in this pattern: "dari***@gmail.com."