What does local network access mean?

• On the Session Toolbar, click the Computers icon.
• On the Computers list, click the Connect On LAN tab to see a list of accessible computers.
• Filter computers by name or IP address.
• Select the computer you want to access and click Connect.

Description A local area network is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus or office building. By contrast, a wide area network not only covers a larger geographic distance, but also generally involves leased telecommunication circuits. Wikipedia

Local Network Access is a key security feature on iOS and iPadOS devices that lets you control which apps can access your local network.

Apple developed a personal security toggle for iOS/iPadOS devices, following a security concern where web companies can track your activity using built-in app plug-ins.

Not always. It depends on which app you will allow permission. Excessive permissions on these apps may have risks on your personal data and device security. Look out for red flags such as flashlight apps requesting access to your local network.

Pro tip: Before you use an app, review their permissions first so you can control what information or access they have on your Apple device. Learn more.

Managing your app permissions and only granting necessary permissions can reduce the risk of malicious apps accessing your personal data and also potentially harm your device.