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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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Security Operations

Catching Mr Robot with Netflow

If you are into cyber security and reading this blog then there is a good chance you have heard

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Network Operations

Catch Reflection DDoS Attacks with NetFlow

In this line of work I find myself talking with network professionals daily. With this constant exposure to a

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Network Operations

Cisco ASA NetFlow Configuration using ASDM

Over the past few weeks I have taken a number of support calls from customers who were looking for

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