Substack data breach exposed user email addresses and phone numbers for months before CEO Chris Best confirmed the October ...

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Jim Acosta, the former CNN anchor known for antagonizing President Donald Trump during his first term, did not know what Substack was two months ago, when he was suddenly on the outs with the network ...

Jim Acosta, the frequent Donald Trump antagonist who was all but pushed out by CNN earlier this year, may not be the type of person you’d suspect would be a hit on Substack. In fact, when he signed ...