Keystone says unauthorized access to its Shopify store exposed names, contact details and addresses. Expect targeted phishing of hardware wallet owners.
What to do: Context (Coin Bureau, Oct 24): Keystone is the fourth hardware wallet maker with a customer data breach in 2026; about 120,000 buyers' shipping addresses exposed across them. Oct 27: Keystone says attackers also stole the key used to verify its hardware wallets as genuine, so counterfeits could pass checks; it will destroy 18,835 wallets. 25,964 customers affected.
Shipping addresses of nearly 120,000 crypto hardware wallet buyers have been exposed in 2026. Keystone just became the FOURTH wallet maker hit by a customer data breach this year.
We owe you an apology. On October 20, we detected unauthorized access to our official website. After verifying API activity with Shopify, we confirmed on October 23 that a third party obtained customer shipping information. You trusted us with those details, and we're sorry we d
🚨 Keystone to destroy 18,835 hardware wallets after hackers stole its device verification key. The stolen key could let counterfeit wallets pass as genuine. The breach also affected 25,964 buyer records. What to do ↓
🚨🇭🇰 Keystone to destroy 18,835 hardware wallets after authentication key theft Keystone says an attacker breached its website and stole the cryptographic key used to verify that its hardware wallets are genuine. ⠀ The stolen key could allow counterfeit wallet
Why this score
Plan rubric with caps (verified PM sweep, Oct 24)