like meat supplier jbs usa. >> jbs usa said it paid a ransom. >> reporter: it compromised hundreds oft u.s. gas pipelines offline. >> the colonial pipeline, site of a massive cyber attack. >> reporter: fuel distribution shuttered across the east coast, and beginning panic buying and shortages. >> we see the lines that are building up as people try to get gas. >> reporter: it drew the white house's attention, which drove the private sector to do more against cyber security. >> reporter: number seven, corporate america needed a vaccinated workforce so it took action. >> united airlines announced a vaccine monday date for all of its workers. >> tyson foods will require all workers to be fully vaccinated. >> reporter: companies pushed back to 2022. despite warnings of employee revolt, most workers complied, as cases continued to rise, the federal government stepped in, announcing vaccine mandates for all large employers. >> this is a pandemic of the unvaccinated. we've been patient. our patience is wearing thin. >> reporter: but the biden administration's efforts have met significant lega