Registration spam has long been a significant drawback to ExpressionEngine, one that I have long hoped EllisLab would take measures to address, but for the most part I have just resigned myself to accepting that it is one annoying facet of an otherwise brilliant CMS.
Starting today, however, I’ve noticed an incredible increase in registration spam on a client’s site. All day long, there have been an average of one or two new spam registrations every minute, for a total of hundreds of new spam registrations so far today. Is this a sign of a newly discovered exploit? Something is definitely not right. Any advice would be greatly appreciated.