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An alert touches multiple segments of the network, representing the challenge to reduce false positives
Deep Network Observability

How to Reduce False Positives with Shared Context

False positives are rarely caused by too many alerts, but by missing context. Let’s say a spike in outbound traffic shows up in the firewall logs. Around the same time, ...

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Magnifying glass on top of a diagram that looks like both a fingerprint and a network, representing end-to-end network troubleshooting
Network Operations

Why Most Performance Investigations Start in the Wrong Place

A padlock silhouetted against a dark background, surrounded by a spray of white particles, representing password spraying detection.
Security Operations

What Password Spraying Looks Like in Raw Network Telemetry

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Network Operations

PfSense NetFlow Export

Today I will show you how to configure PfSense NetFlow export on one of the more popular open source

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Network Operations

Catalyst 4948E NetFlow-Lite and IPFIX Support: NetFlow Monitor

PSAMP is what allows the Catalyst 4948E to support NetFlow-Lite and it is the first switch from Cisco to support IPFIX. 

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