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“By practicing” is not a good way to get good at security, unless you want to make potentially devastating mistakes along the way.

• 3np 6y ago
  It depends on what you put at stake, obviously.
• mfcl 6y ago
  How else can you get good at security? I guess you could read, but at some point you'll have to practice. And I never said you need to practice with sensitive information.