Not too happy to say the least.
I was logged out of my PS4 as someone else signed in as me on another console. btw I have never sold off or given away a former PS3 or PS4.
So I changed my email and password and deleted my debit card info. My old email and password were VERY unusual, there's no way an algorithm could have worked it out.
Then fifteen minutes later, I was logged out again a couple of times, as someone once again signed in as me on another console. Even though I had changed my personal info.
My new password was VERY obsure, no-one should have been able to work it out. Sony must have been hacked.
