How can we explain the unexpected 25% increase in false positives reported by customers using Forcepoint's Next Generation Firewall (NGFW) in the past two weeks?

Introduction

The unexpected 25% increase in false positives reported by Forcepoint's Next Generation Firewall (NGFW) customers over the past two weeks is a critical issue that demands immediate attention. This surge in false positives can significantly impact customer trust, operational efficiency, and overall product performance. To address this problem, I'll employ a systematic approach to identify, validate, and resolve the root cause while considering both short-term fixes and long-term strategic implications.

Step 1

Clarifying Questions (3 minutes)

• Considering the sudden spike, I'm wondering if there have been any recent updates to the NGFW software. Have there been any patches or version releases in the past month?

Why it matters: Recent changes could directly correlate with the increase in false positives. Expected answer: Yes, a minor update was released three weeks ago. Impact on approach: If confirmed, we'd focus on the changes introduced in that update.

• Given the specificity of the 25% increase, I'm curious about our measurement methods. Has there been any change in how we're collecting or analyzing false positive data?

Why it matters: Ensures we're dealing with a real issue and not a measurement anomaly. Expected answer: No changes in data collection or analysis methods. Impact on approach: If unchanged, we'd focus on actual performance issues rather than data discrepancies.

• Considering potential external factors, have there been any significant changes in the threat landscape or new types of attacks in the past month?

Why it matters: External factors could be triggering more cautious behavior from the NGFW. Expected answer: No major new threats, but an increase in sophisticated phishing attempts. Impact on approach: If confirmed, we'd investigate how the NGFW is adapting to these new threats.

• Thinking about user behavior, have we seen any changes in how customers are configuring or using the NGFW?

Why it matters: User actions could be inadvertently causing the increase in false positives. Expected answer: No significant changes observed in customer configurations. Impact on approach: If no changes, we'd focus more on internal system issues rather than user behavior.