We're committed to keeping you and your family safe online. Available at no extra cost to Xfinity Internet customers, Norton Security Online helps protect your PC, Mac and mobile phone from online threats.

Xfinity Home is a total home security solution that includes professional monitoring and advanced technology, all installed by experts and powered by WiFi from Xfinity. Named the Best Professionally Installed Pro Protection System by CNET. Visit Xfinity Home to learn more.

Pro Protection Plus. Highly trained specialists can alert authorities in the event of a security or smoke alarm. Set rules to receive real-time alerts tailored to you, like when doors and windows are opened. Cellular + battery backup in case of outages. Control on your TV with the Xfinity Voice Remote*

Xfinity Home Security Cost and Pricing. You don't need to have Xfinity provide your internet or cable to use their smart security system.

A: Yes, xFi Advanced Security is basically a firewall. It not only blocks access to certain ports on your computers as well as to other smart devices - cameras, cellphones, etc. - that are on the network, it also monitors network traffic looking for signs of suspicious activity that could indicate a threat.

Your Xfinity self-install kit includes the following:

1. xFi Wireless Gateway (modem/router combo)
2. Coaxial cable.
3. Power cord.
4. Ethernet cable.

Encryption: Xfinity Wi-Fi hotspots use encryption to help protect users' data. Specifically, they use WPA2 encryption, which is a widely-used standard for Wi-Fi security. Password protection: Users must enter their Xfinity username and password to access the hotspot, which helps prevent unauthorized access.

You can enjoy everything the Web has to offer, including downloading HD movies, uploading photos, streaming TV shows or simply surfing for fun. With Xfinity Self-Install, you can decide what level of Internet you want from modems to wireless routers or wireless gateways.

No matter which service(s) you have decided to self-install, you can watch a quick video that outlines how to set up, connect and activate your service(s) all in a few easy steps. Or, you can download one of our easy-to-use Xfinity Self-Install Setup Guides below.

xFi Advanced Security basically functions as a firewall. Protection is provided by Comcast's network infrastructure.

Self-installing Xfinity internet service is straightforward. All you need to do is connect the Xfinity internet gateway (modem/router combo) to power and a coaxial cable (the same kind of cable used for cable TV) outlet. From there, follow the instructions provided via the Xfinity mobile app.

What's in the self-installation kit?

1. xFi Wireless Gateway (modem/router combo)
2. Power cable.
3. Coaxial cable.
4. Ethernet cable.
5. Getting Started guide/setup instructions.
6. Xfinity documentation (privacy policy, terms and conditions, etc.)
7. Instructions and prepaid labels in case you need to return stuff.

Your Xfinity self-install kit includes the following:

1. xFi Wireless Gateway (modem/router combo)
2. Coaxial cable.
3. Power cord.
4. Ethernet cable.