Why has Abnormal Security's email threat detection rate dropped by 5% over the past month?

Introduction

Abnormal Security's 5% drop in email threat detection rate over the past month is a critical issue that demands immediate attention. This decline could significantly impact the company's core value proposition and customer trust. I'll approach this problem systematically, focusing on identifying the root cause, validating hypotheses, and developing both short-term fixes and long-term strategies to address the issue.

Step 1

Clarifying Questions (3 minutes)

• Looking at the timing, I'm thinking there might be a recent change in the threat landscape. Have you noticed any new types of email threats emerging in the past month?

Why it matters: Understanding evolving threats is crucial for maintaining detection accuracy. Expected answer: Yes, there's been an increase in sophisticated phishing attempts. Impact on approach: If confirmed, we'd need to focus on updating our detection algorithms.

• Considering the metric specificity, I'm wondering about the consistency of our measurement. Has there been any change in how we calculate or report the threat detection rate?

Why it matters: Ensures we're addressing a real issue, not a reporting anomaly. Expected answer: No changes in calculation methods. Impact on approach: If there were changes, we'd need to reassess the validity of the 5% drop.

• Given the nature of email security, I'm curious about our user base. Have we onboarded any significant new clients or seen changes in user behavior recently?

Why it matters: Large-scale changes in user composition can affect overall detection rates. Expected answer: No major changes in client base. Impact on approach: If there were changes, we'd need to segment our analysis by user groups.

• Thinking about our product lifecycle, I'm wondering about recent updates. Have there been any significant product changes or feature releases in the past month?

Why it matters: New features or updates can sometimes introduce unexpected issues. Expected answer: A minor update was released three weeks ago. Impact on approach: If confirmed, we'd need to closely examine the impact of this update.