Apple is sending urgent lock screen warnings to users of outdated iPhones and iPads, alerting them to active web-based exploits that can be mitigated with immediate software updates. These notifications, which appear as "Critical Software" alerts from the Settings app, indicate that Apple is aware of attacks targeting older iOS and iPadOS versions1. The company is urging users to install critical updates to protect their devices from ongoing exploitation. This move suggests that Apple has identified significant vulnerabilities in unpatched devices, posing a substantial risk to user data and security. The alerts are a clear indication that users should prioritize updating their devices to the latest software versions to prevent potential attacks. This matters to practitioners and informed readers because it highlights the importance of timely software updates in preventing exploitation of known vulnerabilities, underscoring the need for proactive device management to ensure security.