The growing threat of cyberattacks. New guidelines spark confusion over wearing masks to prevent the spread of COVID-19. Why our spring has been cold and dry. And business headlines from Crain’s.

• Colonial Pipeline Attack Highlights Growing Cybersecurity Threats
• Some Not Ready to Give Up Masks Despite Relaxed Guidelines
• Crain’s Headlines: United Adds Hundreds of Flights to Summer Schedule
• Notice Anything Different This Spring? It’s Been Really, Really Dry
• NU President Says He Knew ‘Optics’ of Hiring Polisky Would Be Tough
• Permit for Southeast Side Metal Shredding Facility Paused After EPA Steps In