ServiceNow is buying cybersecurity startup Armis for $7.75 billion in cash. This acquisition comes after Armis recently raised $435 million and aimed for an IPO, but opted for a merger instead. Armis generates $340 million in annual recurring revenue and focuses on security for critical infrastructure.

Palo Alto Networks has acquired CyberArk for $25 billion, aiming to enhance its identity security offerings amid the rise of AI. Despite the strategic benefits, Palo Alto's stock fell over 5% post-announcement, raising concerns about the timing and implications of the merger in light of the companies' differing growth trajectories.

Check Point has acquired Lakera to enhance its capabilities in AI-driven security solutions, aiming to build a unified AI security stack. This acquisition is part of Check Point's strategy to address evolving cybersecurity threats with advanced technology.

Zscaler plans to enhance its security-operations capabilities by acquiring Denver-based managed detection and response (MDR) firm Red Canary. The deal will integrate Red Canary's technology for continuous human monitoring and incident response into Zscaler's zero-trust cloud environment, with the transaction expected to be finalized in August.