If you own a Synology NAS device and haven’t updated recently, you should. Attackers are taking advantage of an older vulnerability (patched in February 2014) to mine the Dogecoin virtual currency (an offshoot of Bitcoin that originally began as a joke). One German attacker managed to mine over $600,000 of Dogecoin from Synology boxes. It’s yet another reason why you shouldn’t enable remote administration on your devices unless absolutely necessary.follow link
Option-click to Hide Apps Quickly
This trick has been available in the Mac OS for years, but many people still don't know it. If you have too many windows cluttering up your screen, you can hide specific ones easily as you work. When you're in any application, hold down the Option key and click on another app's window, on the Dock, or in the Finder to switch to that other app and simultaneously hide all the windows in the previously current app.
Synology NAS Devices Hacked to Mine Dogecoin