Wise words from the article - especially of you are posting about business or finance:
So if you’re an ardent believer in anonymity, be careful: If you reveal something important enough to be legally protected on one of these platforms, your anonymity might not be secure. The only secrets you can safely reveal on these platforms (and even then, only as long as they’re not crimes) are your own.
Quartz: When it comes to secrets, Wall Street titans and Silicon Valley VCs see eye-to-eye, http://qz.com/189363/when-it-comes-to-secrets-wall-street-titans-and-silicon-valley-vcs-see-eye-to-eye/
With my background in criminal defense, I couldn't agree more...and civil / contract / employment law will afford you little protection if you step out of bounds.
It's a lot like an adage a lot of us grew up repeatedly hearing - if you don't have anything nice to say, keep it to yourself.