'They appear to be native English speakers under the umbrella of a Russia-based operation called ALPHV or BlackCat.' 'Unofficially, we saw a group called Scattered Spider claimed responsibility,' Callow said. sees decline in foster homesīrett 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. Shots - Health News Kids housed in casino hotels? It's a workaround as U.S.