You may have heard that a bug was recently discovered with Cloudflare - a service that we and many other websites use for DoS protection and other services.
Don't worry! CoinCorner was not affected, however, we do recommend that you change your security credentials regularly and now would be a perfect time to do so!
You should also consider changing your security credentials for other websites that use Cloudflare. If you are using the same password for multiple sites, you should change it immediately so that you have a unique password for each site. You should also enable two-factor authentication for every site that supports it.