Palo Alto Networks on Tuesday night ended its fiscal 2026 on a high note and signaled that the good times will continue in the new year. The numbers and conference call commentary reinforce the essential role of cybersecurity in the artificial intelligence era. Revenue in the company's fiscal fourth quarter increased 34% year over year to $3.41 billion, exceeding the Wall Street consensus estimate of $3.35 billion, according to LSEG.