Substack said that customer data was accessed in October 2025, but wasn't discovered until early February.

This week’s cybersecurity recap highlights key attacks, zero-days, and patches to keep you informed and secure.

If you’re impacted by the security incident, you’ll hear directly from the brand with an email from Substack's CEO.

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Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed various community and nonprofit organizations. She has conducted in-depth research on social and economic issues ...