How visible do you set your profile on LinkedIn?

I'm considering switching to information security after being in my current software dev role for about 3-4 years now. My schooling is in computer science with a concentration in cyber security, and I'd like to finally be able to use what I learned in college. My question is, with all the targeted attacks and data gathering going on right now, how visible do you set your LinkedIn profile without giving too much away? Currently I have my profile picture set …

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