If you use My ether Wallet https://www.myetherwallet.com
,Don't use it any more.
Or you can say stop using it untill they secure it.
Because the wallet is hacked.
But you can use Meta musk Extension,it is more secure than My ether Wallet.
From here for Chrome:
https://chrome.google.com/webstore/detail/metamask/nkbihfbeogaeaoehlefnkodbefgpgknn
And also for opera and firefox:
https://metamask.io
for more Please vote and follow :-)