I remember I was getting hacked back in February earlier this year too, and my account is no longer primary with my PS4. Luckily, I was online at that time, and I keep getting signed off, I knew right away that something smell fishy. Sure enough my account was getting hacked, all of my PS devices have been deactivated. I contact PS Asia right away (via email), then it settles around 3 days I believe, and I got my account back, they do ask for PS4 serial no too, people need to write them down for sure. I was really upset when I get hacked considering how much trophies I got in the account. Oh yes, and one more thing, I can't use deactivate all button for like 6 months from February.

And yes, if you want to keep your account safe, do that 2 step verification immediately. I'm so glad they are finally here.

No charged, FOC.