"If anyone breaks on the security chain, you’re vulnerable," Jeanne Holm, Los Angeles' deputy mayor for budget and innovation, said during an online conference.

Both men have experience responding to advanced Russian hacking activity.

The winning person or team is eligible for up to a $50,000 bonus from their home agency.

The Department of Homeland Security requested $11.4 million in fiscal 2020 to fund the launch of a personnel system for hiring cybersecurity talent. First detailed in the…