PerimeterX raises $23M Series B for its tech to fight bot-powered attacks like account takeovers ad fraud scalping and carding for online retailers (Patrick Howell O'Neill/Cyberscoop)   Patrick Howell O'Neill / Cyberscoop:PerimeterX raises $23M Series B for its tech to fight bot-powered attacks like account takeovers ad fraud scalping and carding for online retailers  PerimeterX an Israel- and Silicon Valley-based cybersecurity company that sells tools defending retailers against automated…
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