Employees in non-office settings create cybersecurity vulnerabilities, experts say, and without intervention more entertainment companies could fall victim to hacks like the one that hit Grubman Shire. Hackers are threatening to release a treasure trove of private data stolen from one of Hollywood’s top talent law firms if it doesn’t pay a $42 million ransom — and experts say companies are increasingly vulnerable to attacks like this because their employees are working remotely during the novel coronavirus pandemic. Grubman Shire Meiselas & Sacks earlier this month was hit by a ransomware attack — with a group called REvil taking responsibility for the hack and posting online part of a Live Nation employment contract for Madonna‘s recent world tour as proo...