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Cato CTRL Threat Research: Unmasking Hellcat – Not Your Average Ransomware Gang

CATO Networks

Among the leaked data were 75,000 unique email addresses and full names of Schneider Electric employees and customers. They posted root access to the university’s server for sale on dark web forums for the low cost of $1,500 USD. The group offered root access to the companys server for $500 USD. billion USD.

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EP139: Design a Live Streaming System

ByteByteGo

The source could be any video and audio source wired up to an encoder Step 2: To provide the best upload condition for the streamer, most live streaming platforms provide point-of-presence servers worldwide. The streamer connects to a point-of-presence server closest to them. NAT also makes it easy to manage large networks.

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Today’s Enterprise WAN Isn’t What It Used To Be

Kentik

How it used to be When I started my career in networking, servers were down the hall or in the campus data center. The WAN was how we got access to some websites and sent emails. We still need to connect our infrastructure to the public internet, so the enterprise WAN is still about routers, circuit IDs, and perimeter firewalls.

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One Way To Prevent Your Data From Being Exfiltrated

Akins IT

This involves not just sec uring your network perimeter with a firewall, but also email security, endpoint protection, and end user awareness. DATA EXFILTRATION Data exfiltration is the unauthorized copying, transfer or retrieval of data from a computer or server.

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What is a TCP Port: Different Between TCP and UDP Ports

NW Kings

A TCP port is a unique number assigned to specific services and applications that run on a server. It serves as an endpoint for communication between a client and the server, allowing different communication processes over a network. This combination directs network traffic to the appropriate service or application running on a server.

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How to find applications with NetFlow

Kentik

If you are thinking that those represent HTTP and HTTPS, you would be largely correct, but that doesn’t mean it’s traffic involving web servers. Lots of applications use these ports today, including DNS lookups and email. It’s pretty much impossible to block HTTP and HTTPS ports at the firewall. How did this happen?

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Where Do I Plug It? the dissolving perimeter and the insertion dillema

CATO Networks

This was the way firewalls, intrusion prevention systems, email security gateways, data loss prevention and other security systems were implemented. A user would authenticate to a VPN server (often part of the firewall) and than be allowed to access an internal resource like a file share or a mail server.

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