Every day, billions of people trust digital systems to run everything from communication to commerce to critical infrastructure. But the global early warning system that alerts security teams to dangerous software flaws is showing critical gaps in coverage-and most users have no idea their digital lives are likely becoming more vulnerable. Over the past 18...

This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. Cybersecurity's global alarm system is breaking down Every day, billions of people trust digital systems to run everything from communication to commerce to critical infrastructure. But the global early warning system that alerts...