Install Android Oreo for Better Security
If you store sensitive information on your Nexus 6P and value your privacy/security, Android Oreo is definitely worth an install.
If you want Android Oreo you'll be forced to download any monthly security patches you missed a long the way.
If you're bad about keeping your phone updated with the latest software, you can read more about these security updates on Google's Android Security Bulletin.
The Android 8.0 Oreo update also comes with some security features of its own. One of those features is called Google Play Protect.
Google's built Play Protect into Oreo and the service works in the background to protect the data you store on your Nexus 6P.
If it determines something is amiss your Nexus 6P will show you a prompt so that you can take care of the issue and better protect your files. The service also scans billions of Android applications daily to ensure they're safe to download onto your device. .
The Android 8.0 update also includes a useful Wi-Fi Assistant that secures your Wi-Fi connection with a VPN back to Google whenever you use an open Wi-Fi network. It also prevents hostile downloader apps from operating on your device without your permission.