The Times of Northwest Indiana reported Thursday that Horseshoe Casino in Hammond alerted federal regulators “that the personal information of a ‘significant number’ of Caesars Rewards loyalty club members was copied and stolen in a cyberattack.” Caesars is the parent company of Horseshoe.īrett Callow, threat analyst for the New Zealand-based cybersecurity firm Emsisoft, said it was not clear if a ransom was paid or who was responsible for the intrusion - and for the attack reported Monday by MGM Resorts.