Tag: dns

DNS Security With Palo Alto

I blame DNS! Oh wait, that’s not what I am writing about. Domain Name Service (DNS) is a foundational piece to communication. Unless you know every IP address for every website you want to visit, you are going to need DNS. Users and services all over the world rely on DNS to seamlessly communicate. What a great opportunity for attackers to lead users to malicious destinations. DNS Security provides us a way to stop malicious requests from users’ devices from ever reaching those destinations. There multiple solutions out there to secure the DNS-layer. The focus of this entry is to explore Palo Alto’s solution to DNS Security. Continue reading “DNS Security With Palo Alto” →

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Do it Live: Cisco Umbrella

Can you give me a list of all the destinations employees at your company are browsing to on the internet in the office and out? Would you know if all of those sites are safe? Are they clicking on those “Free Tablet Just For You!!!!!!” email links? The internet can be a dangerous place. DNS helps users easily reach destinations. Who is going to remember the IP addresses to hundreds of sites? However, DNS can lead users to malicious destinations as well. You might have a need to protect users or enforce company policies at the DNS level.
This post will be a review of Cisco Umbrella. We’ve been using it in production. This will by no means serve as deployment instructions. Please refer to Cisco Umbrella’s documentation for those. These are just my thoughts on how the process went. Continue reading “Do it Live: Cisco Umbrella” →

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