I rarely, if ever, allude to where I work, and especially not the customers I support, in open forums. But, my LinkedIn profile does have my employer listed, so it wouldn't be hard to figure out.
But, even that's not blanket immunity from my actions if something were to go south. My company has some pretty strict social media policies, and if I were to engage in major jackassery online, and it gets back to them, I could be fired.