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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

Cisco DMVPN Configuration

In my previous blog, I discussed what Cisco IWAN is, and the benefits it brings to multi-branch offices connected

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General

Cisco Performance Routing Netflow Reports

Cisco Performance Routing isn’t your grandfather’s routing. Cisco Performance routing (PfR for short) considers a particular path’s traffic characteristics when

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Network Operations

CiscoLive 2012 : NetFlow Webex

On my way to the airport tomorrow headed for London and CiscoLive 2012 to show off Scrutinizer v9 and our

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