Please constantly check your ysm acc. Mine was hacked an hour ago. This person then put through 2 payments $300 and $500 through my cc on the ysm system, upped my daily spend limit from $100 to $2000, set up his campaign from ringtones and then changed my password. Luckily, my bank texts me on my cell when my cc is charged so that alerted me that something was amiss. I had to reset my password, login and undo his changes. I have also emailed yahoo asking for the reversal of those charges as I did not budget for them. Be careful.
I had about 10 of my accounts jacked before and they blew through about $1500 pretty quick. I never got that money back. What email address was attached to your accounts? I think they were getting into my accounts via an unsecure mail server. Once I switched mail services, it stopped.
even my account was hacked and they charged something like $780. Infact they added somebody else credit card and used funds for advertising like cash payday loans. I did email yahoo and no response
This seems to be an epidemic. I had my account hacked the other day as well and the hacker did as everyone else stated: Spent around $600 in my account, changed the ad budget, changed the ad spend, and added a campaign called "sponsors" which has several "loan type" keywords in it. Very weird. I contacted Yahoo Search marketing last week and have still not received any word from anyone regarding this. I am currently disputing the incident through my CC company.