They say crime doesn't pay, and in GTA Online, it's definitely becoming a harder line of work. The latest update for Rockstar's MMO sandbox reduces the reward for almost every available big-time burglary, and the new one that's included won't be making up the difference for your bottom line.
The Kortz Center is the latest heist, where you have to break into an extremely well-to-do venue where the richest of the rich in Los Santos hang out, to access one of the greatest art collections in the world. This involves navigating "state-of-the-art defenses including first-rate security teams, watchful CCTV cameras, and intersecting laser tripwires," according to the official description, and how you manage to do so is up to you.
