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NPM, encryption, and the challenges ahead: Part 1 of 2

Kentik

It’s interesting to observe how encryption and network performance monitoring (NPM) have evolved over time. Once you saw a person’s password to any given application, you knew they were generally using the same one for all of their other applications — email, the ticketing system, the FTP and Novell servers, etc. It’s encrypted HTTPS.

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How to find applications with NetFlow

Kentik

Source IP address. Destination IP address. IP protocol. IP type of service. Lots of applications use these ports today, including DNS lookups and email. This is because the most popular IP addresses sourcing traffic on networks resolve to hosting services or they don’t resolve at all!

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

NW Kings

When a device wants to communicate with another device, it requires an IP address and a port number to establish a connection. NOTE: Learn about TCP/IP Model and get an overview on How the internet works. What is the role of IP address and port number? How does the TCP port work?

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The malware threat landscape: NodeStealer, DuckTail, and more

Engineering at Meta

Since the browser encrypts the user’s information before storing it, the malware performs the following steps to decrypt the user data: It will read the encrypted_key from the “Local State” file, Base64 decode it, and retrieve the decryption key by using the win32crypt Node.js library: Data decryption routine.

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Cato Adds Threat Hunting Capabilities to Cato Cloud

CATO Networks

According to Gartner, Midsize enterprises (MSEs) are being targeted with the highest rate of malware in email traffic, representing one in 95 emails received. Network address translation (NAT), firewalls, as well as the widespread use of encryption often obscure the visibility of network sensors.

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Cato CTRL Threat Research: Sophisticated Data Exfiltration Tools Used in Double Extortion Ransomware Attacks by Hunters International and Play 

CATO Networks

Executive Summary Modern ransomware attacks have evolved beyond simple encryption to deploy sophisticated double extortion tactics. Threat actors now systematically exfiltrate sensitive data before encrypting systems, ensuring leverage even when victims have robust data backups. IOCs Play C2 IP Addresses: 216[.]128[.]128[.]163

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23 Good-To-Know Networking Acronyms and Abbreviations

CATO Networks

Source: Market Trends: How to Win as WAN Edge and Security Converge Into the Secure Access Service Edge, 29 July 2019, Joe Skorupa, Neil MacDonald VPN Virtual Private Network (VPN) solutions provide an encrypted link between a network and a remote user or network. DNS The Domain Name Service (DNS ) is the address book of the Internet.

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