Featured Entries

Your NetFlow Knows More Than You Think 

Ask a room full of network engineers what's in a flow record, and you'll get the same answer nine times out of ten: source IP, destination IP, source port, destination port, protocol. The five-tuple. Add bytes and packets and you've described the mental model most of the industry ...

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Many blue network nodes with one red note to which several connecting lines are attached, representing lateral movement detection
Configuration

What Is MCP, and Why Is Everyone Suddenly Talking About It? 

MCP stands for Model Context Protocol, an open standard that lets AI assistants connect directly to the tools and

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Network Security

Why AI Just Broke Cybersecurity’s Oldest Defense 

For forty years, one defense held against nearly every cyberattack: a person who could sense that something felt wrong.

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Update

Your Team Already Has the AI. Now It Can See the Network. 

Today we are launching Plixer 19.8. If you spend your day in a NOC or a SOC, you have

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General

Cisco Live 2026: The Agentic Era Is Here and Your Network Is Already Behind

By Adam Howarth, Data Scientist and Field Engineer at Plixer Cisco Live 2026 was not a conference about what’s

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NetFlow Analyzer

How to Monitor and Investigate AI Agent Network Traffic 

By Adam Howarth, Data Scientist and Field Engineer at Plixer  Monitoring agentic network traffic requires different baselines, different thresholds,

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Various network nodes with security locks, representing encrypted traffic visibility
Network Security

How To Investigate Encrypted Traffic Without Decrypting It 

Most malicious traffic is encrypted, and in real environments, you usually don’t have the keys to inspect it. You

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Representation of lateral movement: attack spreads through a network from a central point
Network Security

How To Detect Lateral Movement: A Step-by-Step Guide 

Lateral movement is detected by spotting small changes in internal network behavior: new host-to-host connections, unusual authentication patterns, and

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Blocks of data in a digital environment. Most of the blocks are clear but one is red, representing AI-powered anomaly detection
NDR

How Network Anomaly Detection Works (And Why It Matters)

By Paul Piccard, CTO & SVP of Engineering at Plixer  Network anomaly detection identifies deviations from normal network behavior,

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