TCP/IP broadcasts to spoof NetBIOS communications.
If you bought an Acer via they’re website, you’re probably going to get notification. Change your password.
If you run BSD (including OS X) or Linux then Lynis can audit your system and give feedback on hardening.
Intel’s CPUs have a RISC based CPU meant for management of the host CPU. Security personnel are worried that it could be abused to create a unkillable rootkit.
Microsoft is testing a way to “refresh” your new PC to have a pure Microsoft experience w/o all the crap (Norton, McAfee, etc.) trial software or buggy (ASUS, Lenovo, etc.) vendor provided utilities.
If you use Adobe Flash, patch it now. Windows 10 and Chrome patch it themselves.