The cybersecurity market is witnessing a significant rise in the prices of zero-day exploits, indicating a tightening of security measures by companies against hackers. A startup has announced offering up to $7 million for iPhone zero-day exploits, with Android and messaging services like WhatsApp and iMessage zero-days priced up to $5 million. This surge in prices reflects the improved security of devices over recent years. The market for cybersecurity exploits is experiencing a crisis, with the cost of security breach tools escalating, including $50k for WinZip vulnerabilities and up to $7 million for iPhone zero-days.