International Cyber Digest on X: "‼️ Coinbase says a security incident at its analytics vendor ...

X • October 28, 2026

International Cyber Digest @IntCyberDigest ‼️ Coinbase says a security incident at its analytics vendor Amplitude hit data for some of its customers. It denies a breach of its own systems and says funds were not touched. It has not said how many were affected. SlowMist's security chief claims over 70,000. 2:00 PM · Oct 28, 2026 · 9,752 Views 11

International Cyber Digest @IntCyberDigest 9h Source: Coinbase Support @CoinbaseSupport 20h Coinbase has not had a data breach. Amplitude, an analytics vendor, experienced a security incident which impacted a small subset of Coinbase customer data, among other Amplitude customers. We’ve found no evidence of unauthorized access to Coinbase systems, and 1 International Cyber Digest @IntCyberDigest 9h Weekly : From internationalcyberdigest.com

all | privacy · crypto · vpn @bc1pray 9h "we weren't breached, our vendor was" is the part of kyc nobody explains. the exchange can be airtight and your name and email still leak through whoever runs their analytics. every vendor they with is another copy of you 1

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Coinbase Vendor Data Breach Exposes User Contact Information On October 28, 2026, Coinbase confirmed that a security incident at its analytics vendor, Amplitude, exposed contact details of a small subset of its customers. The breach reportedly affected approximately 70,000 users, although this figure has not been officially verified by Coinbase. No passwords, private keys, or customer funds were compromised, and Coinbase stated that there was no unauthorized access to its own systems. The exposed data includes email addresses and phone numbers, which could facilitate phishing and social engineering attacks. Coinbase is notifying affected users and regulatory agencies as required by law. The incident highlights ongoing risks associated with third-party vendors in the cryptocurrency sector. 19 sources 42

International Cyber Digest on X: "‼️ Coinbase says a security incident at its analytics vendor ...

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