On the 18th of December Wordfence posted the following entry describing an ongoing distributed brute force-attack campaign targeting WordPress installations. It was accompanied by a dramatic chart highlighting the number of attacks per hour. According to Wordfence, it was the most aggressive campaign they’ve seen so far. However, as a WordPress hosting provider I’ve found no data to support these claims.
I’ve not experienced any increase in dictionary attacks or other malicious traffic against WordPress installations on our web hosting platform. Curiously enough, this would mark the first time that we have completely dodged such a large scale attack.