In a new clip from "Hostile Takeover," the next episode of "Supergirl," Cat Grant becomes embroiled in a hacking scandal after her personal e-mails become public. Kara offers her some advice, which goes against what her lawyers suggested.

"Supergirl" airs Mondays at 8 pm EST on CBS. Developed by producers Greg Berlanti, Ali Adler and Andrew Kreisberg, the series stars Melissa Benoist, Calista Flockhart, David Harewood and Chyler Leigh.