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Amazon limits you to 100 Spot instances per region without contacting them to change the limit for your account. http://aws.amazon.com/ec2/faqs/#How_many_insta

• pavel_lishin 15y ago
  That wouldn't prevent someone from creating multiple accounts with stolen credit cards though, right? num_accounts * 100 = DDOS.
  • dholowiski 15y ago
    That wouldn't prevent it but it would make it much more difficult. Although, I suppose you could automate the whole thing, right from the stealing of the credentials to the booting up of 100 new instances and adding them to the ddos cloud. I wonder if this has ever been done, or if the number of AWS users is just too low to make it worthwhile (like the old argument of why macs don't have viruses)?