I am also a frequent atomic user and got lucky nothing was stolen.
But, I have to admit, at the time of the hack I didn't real hold a lot of funds, haha. Lucky for me.
Though there have been times that this wallet contained a good amount of $ of several currencies. If the timing would have been worse i could have lost a lot as well and that's a scary thought for me.
Most of my funds are in my open source wallet, I just had about $10 TRX in my atomic wallet, after the hack I went to check and it was sitting right there. Lucky me, I had to quickly transfer it out of the wallet. Maybe they hacker was targeting wallets with bigger funds. For those who lost their assets, I can only hope they learn from their mistakes and never to store their funds in a closed source wallet like atomic wallet.
That's why I stopped using it until they implement some better security.
Please forget about atomic wallet, whether the team improves security or not, it's a closed source and it could be hacked again.