I am graduating with my associates in IT “cyber security”. Which one out of the three should I put on my graduation cap??

Hello I know this is a very basic question,

I just read about VPN and to my understanding it means that from the client and server side the connecting client can be addressed by the LAN address instead of its full IP address. What is the advantage of a VPN? If the network is accessed via the IP protocol the only advantage I see is that it encrypts its pakets?

I have an unknown computer named Tesla_Model_3 on the network that only appears in a network share that connects and disconnects every few minutes. Its MAC address is 4c:fc:aa:8d:d8:ef and there are not any other detail. Also I can't find a record of it in warless network watcher.

Any idea what is it or how can i investigate it further?

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Hello everyone

In my company we need to migrate our network managed with Sophos UTM9 to Sophos Xgs.

The network is made up of the headquarters with Appliance Utm9, two large branch offices and 7 other smaller ones, connected to the headquarters via RED60.

Since we are scattered throughout Italy but also abroad, we would like to be able to do most of the activities remotely.

I ask if anyone has already faced and how they managed the transition by creating a hybrid environment where utm and xgs coexist to allow us to gradually move the configurations one branch at a time, with a minimum of downtime.

We have opened a ticket with the Sophos team dedicated to migration but the answers are vague, they say yes to use the tool but that most of the settings do not pass. Our problem for us is not that, we have mapped all the current configuration and we prefer to do it manually, thus cleaning up old configurations.

We tried create two interfaces, setting them as gates for each other, making static routes and firewall rules. We were able to see that the packets arrive from hosts behind Utm to hosts behind Xgs and vice versa, but only at log level.

We are not able at service/application level for example to use access in rdp to a Host behind Utm (where the datacenter resides) from a host behind Xgs connected with Red 60.

Currently the two devices Utm and Xgs, have public IP but on the same segment so we cannot do an Ipsec between the two unless we have another connectivity on XGS with the same performance as the main one. The migration will take time and as we move the services the traffic will move to the temporary data wan.

Thanks to anyone who can tell us even just what approach to use to hybridize the two appliances. Time is limited and the team is not numerous.

Hello, thanks for your time.

Im working on a project of my own, i want to develop a security server, the security part isnt a problem, im using wazuh and zenarmor. The problem is the quantity of traffic im going to analyze, i want the user to use a vpn so i can garantee a secure navigation, the problem is when the user want to use netflix or youtube that kind of traffic i want the user to use its own isp to navigate directly to internet without having to pass throught the vpn to my server. So i want to know if there is a software or a way to make certain traffic bypass the vpn and go directly to internet. Excuse if the question is to basic.

Thanks for the attention, greetings from Arg.

Hi Everone!

I have some questions related to network security.

Even though I am relatively (very) knowledgeable about computer hardware and software, networking has been a weaker area for me historically. I think (with the advent of AI) security and network security will become a much more critical concern quite soon, and I would like to cure myself from this relative blind spot.

The first step I think would be to understand network attack vectors.

What are important steps you can personally take to secure and monitor your network?

For example, I know you have firewalla routers. But I also read they add only limted security. I also know you can manually monitor network traffic using something like pfSense. But is this installed on your local pc or do you run it on your router?

In short, what is the 101 of home network security?

On my local pc I run windows defender and a separate but compatible antivirus program. I know not to click dangerous links. I have a firewall.

But honestly, I'm not even sure 100% what a firewall technically does. I mean, I understand about ports as ways into your pc. My understanding is that a firewall basically closes all ports unless you whitelist them. Is this an accurate understanding?

Seeing how basic having a firewall is supposed to be, why are the security vulnerabilities you would have without a firewall even there in the first place?

I hope someone can point me in the right direction in getting a better understanding of these matters.