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Substack confirms data breach affects users’ email addresses and phone numbers
Market Intelligence Analysis
AI-Powered
Why This Matters
Substack has confirmed a data breach affecting users' email addresses and phone numbers, which occurred in October 2025 but was only discovered in early February.
Market Impact
Market impact analysis based on bearish sentiment with 70% confidence.
Sentiment
Bearish
AI Confidence
70%
Time Horizon
Short Term
Article Context
Note: This is a brief excerpt for context. Click below to read the full article on the original source.
Substack said that customer data was accessed in October 2025, but wasn't discovered until early February.
AI Breakdown
Summary
Substack has confirmed a data breach affecting users' email addresses and phone numbers, which occurred in October 2025 but was only discovered in early February.
Market Impact
Market impact analysis based on bearish sentiment with 70% confidence.
Time Horizon
Short Term
Original article published by
TechCrunch
on February 5, 2026.
Analysis and insights provided by AnalystMarkets AI.
Analysis and insights provided by AnalystMarkets AI.