There’ve been lots of big security breaches recently. Like in the recent case of T-Mobile, where about 50 million people’s personal information got exposed. And attacks on critical infrastructure, like the Colonial Pipeline hack. Remember those gas shortages along the East Coast? As hacks go up, so does the demand for help preventing and responding to them. Marketplace’s Jed Kim speaks with Lesley Carhart, an incident responder for the industrial cybersecurity company Dragos. Carhart said nowadays, people understand what she does — including her grandma.