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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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critical thinking
Network Operations

Asking the Hard Questions: Why Analyze Network Traffic?

There are times when we adults would be better off thinking like toddlers. More specifically, I want us all

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Network Operations

Cisco ASA NetFlow Problems

Although the Cisco ASA NetFlow exports have had some problems in the past, Cisco was the first vendor to

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Network Operations

Network Forensics and Incident Response Using NetFlow and IPFIX

Network forensics can be an intimidating subject. When IT personnel hear the word “forensics” they often recoil with visions

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