Cybersecurity is "not a nice to have, it's a have to have," says Nathaniel Bradley. Ahead of Palo Alto Networks' (PANW) earnings after the close on Monday, he called the company the "tip of the spear" in the industry. Nathaniel adds that the acquisition of CyberArk gives Palo Alto more "scale" to bolster future operations. Tom White offers a pair of example options trades for Palo Alto.