MacOS Sierra has a stricter Gatekeeper with not allowing Apps from unidentified developers and as a result will annoy us with saying that application is damaged and cannot be opened.
How to Disable System Integrity Protection (SIP) for MacOS Sierra?
With the following 2 options:
For a certain application run in Terminal:
sudo xattr -rd com.apple.quarantine /Applications/LockedApp.app
To disable checks globally (example: allow apps from anywhere) run in Terminal:
sudo spctl --master-disable