It really doesn't matter if you use yahoo, gmail, hotmail or whatever. They are all subject to hacking. Yahoo is in the limelight now, but one of the others will be sooner or later. I have yahoo and have had the same account for 20 years. Yes, spam happens and like some others mentioned if I don't recognize the address, I send it to spam. I can open it safely there if I think it might be something legit. It is really sad that people use their talents for wrongdoing, instead of trying to better the world.