OpenAI to Acquire AI Security Platform Promptfoo

SentinelOne to Acquire Prompt Security

August 5, 2025

Cybersecurity

SentinelOne signed a definitive agreement to acquire Prompt Security, a company focused on securing generative AI runtime usage and AI agents to prevent data leakage and misuse. The deal combines Prompt Security’s AI defense platform with SentinelOne’s AI-native Singularity Platform and is expected to close in SentinelOne’s fiscal third quarter of 2026, subject to regulatory approvals and customary closing conditions.

Palo Alto Networks Acquires Protect AI

April 28, 2025

Cybersecurity

Palo Alto Networks entered into a definitive agreement to acquire Protect AI, a Seattle-based startup that helps enterprises monitor and secure AI/ML systems. The deal is expected to close in Palo Alto Networks’ first fiscal quarter of 2026, subject to regulatory approvals and customary closing conditions.

Pendo Acquires Forwrd.ai to Power Pendo Predict

July 9, 2025

AI & Machine Learning

Pendo has acquired Israel-based Forwrd.ai, a no-code predictive analytics platform, to incorporate its automated AI models into a new feature suite called Pendo Predict. The acquisition brings predictive capabilities for churn modeling, lead scoring, and expansion opportunity detection into Pendo's software experience management platform, and Forwrd's founder and team will join Pendo's Israel office.

Prompt Health Acquires PredictionHealth

June 23, 2025

Healthcare Services

Prompt Health, the Hoboken-based AI-powered rehab therapy operations platform, has acquired PredictionHealth, a Nashville-based developer of the Sidekick AI scribe and Practice Intel analytics. The deal integrates PredictionHealth’s AI documentation, coding assistance, and compliance analytics into Prompt’s EMR and practice operations platform to reduce documentation burden, improve coding/compliance, and accelerate product capability expansion.

F5 to Acquire CalypsoAI to Bring Advanced AI Guardrails to Enterprises

September 12, 2025

Cybersecurity

F5 announced its intent to acquire CalypsoAI for $180 million, bringing CalypsoAI’s adaptive enterprise AI inference security into F5’s Application Delivery and Security Platform (ADSP). The companies expect the deal to close in F5’s fourth quarter fiscal year 2025 (ending September 30, 2025), subject to customary conditions.

Together AI Acquires CodeSandbox

December 12, 2024

Software

Together AI has acquired CodeSandbox, a Amsterdam-based provider of cloud development environments, to embed a built-in code interpreter into the Together Inference Platform. The acquisition aims to enable native code execution for generative AI use cases such as agentic workflows, data analysis, and AI-assisted development.