If you pay a hacker's ransom, chances are that they'll come back for more | TechCrunch
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The long-held understanding among security researchers and network defenders is that it's impossible to negotiate in good faith with an extortion racket because there's no incentive for the other side to actually walk away.

The long-held understanding among security researchers and network defenders is that it’s impossible to negotiate in good faith with an extortion racket because there’s no incentive for the other side to actually walk away.