This week, President Biden warned businesses to be wary of potential cyberattacks from Russia, recommending companies increase their cybersecurity defenses. That means more work and higher stakes for the technicians maintaining those defenses. There are hundreds of thousands of vacancies in the cybersecurity sector right now, meaning those already working often end up taking on more duties, burning out and leaving the field. Marketplace’s Kimberly Adams speaks with Lesley Carhart, an incident responder for the industrial cybersecurity company Dragos. Warning: This interview touches on substance use disorder and suicide.