What factors are contributing to the sudden spike in error rates for Wiz (Network Management Software)'s automated device discovery function this week?

Introduction

The sudden spike in error rates for Wiz's automated device discovery function this week presents a critical issue that demands immediate attention and thorough analysis. As we delve into this problem, we'll employ a systematic approach to identify, validate, and address the root cause while considering both short-term fixes and long-term implications for our network management software.

Step 1

Clarifying Questions (3 minutes)

• Looking at the timing, I'm thinking there might be a recent change in our system. Has there been any software update or configuration change in the past week?

Why it matters: Recent changes often correlate with sudden performance shifts. Expected answer: Yes, a minor update was pushed last Tuesday. Impact on approach: If confirmed, we'd focus on changes introduced in that update.

• Considering the nature of the function, I'm wondering about network conditions. Have we seen any unusual patterns in network traffic or connectivity recently?

Why it matters: Network issues could directly impact device discovery. Expected answer: No significant network anomalies reported. Impact on approach: If true, we'd shift focus to software or data processing issues.

• Given the specificity of the problem, I'm curious about the error distribution. Is this spike uniform across all device types and networks, or is it concentrated in specific segments?

Why it matters: Helps narrow down potential causes and affected areas. Expected answer: Errors are more prevalent in IoT devices on corporate networks. Impact on approach: We'd investigate IoT-specific discovery protocols and corporate network configurations.

• Thinking about external factors, have there been any recent changes in cybersecurity policies or firewall configurations that might affect device discovery?

Why it matters: Security measures can sometimes interfere with network scanning. Expected answer: Some clients implemented stricter firewall rules last month. Impact on approach: We'd examine how our discovery function interacts with various security configurations.