Palo Alto Networks will buy Israeli peer CyberArk Software for about $25 billion, in its biggest deal yet, as CEO Nikesh Arora seeks to build a comprehensive cybersecurity provider to tap into rising AI-driven demand. Wednesday's cash-and-stock deal, one of the largest tech takeovers this year, underscores a consolidation in the cybersecurity industry as customers streamline vendors after facing breaches while relying on a patchwork of firms. It follows Alphabet's $32 billion acquisition of