#phishing

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Voxel padlock in black with an orange rim and a red exclamation mark, cracked, with debris cubes, floating cubes on a dark background

News Oct 11, 2026

Coldcard X account hijacked to push fake firmware alert, October 2026

On October 11, 2026, Coldcard’s official X account posted a fake “critical firmware vulnerability” alert for the Mk4, Mk5 and Q with a phishing link; no losses have been verified.