Kurtis Minder finds the cat-and-mouse energy of outsmarting criminal syndicates deeply satisfying.
A few days after Thanksgiving last year, Kurtis Minder got a message from a man whose small construction-engineering firm in upstate New York had been hacked. Minder and his security company, GroupSense, got calls and e-mails like this all the time now, many of them tinged with panic. An employee at a brewery, or a printshop, or a Web-design company would show up for work one morning and find all the computer files locked and a ransom note demanding a cryptocurrency payment to release them.
Some of the notes were aggressive (“Don’t take us for fools, we know more about you than you know about yourself”), others insouciant (“Oops, your important files are encrypted”) or faux apologetic (“WE ARE REGRET BUT ALL YOUR FILES WAS ENCRYPTED”). Some messages couched their extortion as a legitimate business transaction, as if the hackers had performed a helpful security audit: “Gentlemen! Your business is at serious risk. There is a significant hole in the security system of your company.”
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