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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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Configuration

VMware IPFIX Support

VMware IPFIX support and our IPFIX collector, Scrutinizer, give you visibility into the ‘cloud’. In this blog, I will

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Network Operations

Sampled NetFlow Accuracy

Sampled NetFlow accuracy is often a concern when network administrators find that sampling is their only NetFlow network traffic

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Configuration

SonicWALL Next Gen NetFlow config

The Dell SonicWALL Next Gen NetFlow configuration is slightly different due to enhancements to the firewall configuration GUI.  Today

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Security Operations

Banking Internet Security

Now more than ever banking Internet security is at the forefront of nearly every CIO, CTO and Director of

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Network Operations

Username NetFlow Reporting

Username NetFlow Reporting is a hot topic since the Cisco Visual Networking Index (VNI) report in late May. By 2016,

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Network Operations

Network Map Vs Application Map

Application Performance Monitoring needs to evolve from a Network Map to an Application Map.  It is amazing to me

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Network Operations

NetFlow Analyzer for the iPhone

Our NetFlow Analyzer for the iPhone takes Network traffic monitoring to a whole new dimension. Aside from receiving  email

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Network Operations

Intrusion Detection: Event Correlation

Network Intrusion Detection, Cyber Threats, Advanced Persistent Threats (APTs), Polymorphic Malware, Event Correlation – today all of these terms

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Network Operations

Cisco 7600 NetFlow Problems

The cutting edge Cisco 7600 Series is an edge router that delivers robust, high performance IP/MPLS features for service

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Network Operations

What can be exported as a Flow: Use NetFlow v9 or IPFIX?

A month ago I was on a call with a hardware vendor that exports flows and he asked “What

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