Online merchandise retailer CafePress, used by millions of people to host an online store where they can sell custom-designed t-shirts, mugs, stickers, and more, has finally informed its customers that its systems were hacked and their personal details stolen. 23,205,290 unique email addresses are thought to have been stolen by hackers from CafePress’s systems alongside passwords weakly stored as base64 SHA-1 encoded hashes.

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