Armis Acquires OTORIO to Expand OT/CPS Security Capabilities

Armis Acquires AI Cybersecurity Company CTCI

February 14, 2024

Cybersecurity

Armis has acquired CTCI (Cyber Threat Cognitive Intelligence), an AI-native company specializing in pre-attack threat hunting, in a private deal that closed in mid-February 2024. Armis will integrate CTCI's technology and employees into its Armis Centrix platform to create an early-warning, AI-driven threat intelligence capability for government and enterprise customers.

ServiceNow to Acquire Armis for $7.75 Billion to Expand Cyber Exposure Management

December 23, 2025

Cybersecurity

ServiceNow entered into an agreement to acquire Armis for approximately $7.75 billion in cash, expected to close in the second half of 2026, subject to regulatory approvals and customary closing conditions. The acquisition is intended to expand ServiceNow’s security workflow capabilities across the full attack surface spanning IT, operational technology (OT), and medical devices, combining Armis cyber exposure management with ServiceNow’s AI and workflow platform.

Armis Acquires Silk Security for $150 Million

April 17, 2024

Cybersecurity

Armis has acquired cyber risk prioritization and remediation startup Silk Security for $150 million, integrating Silk's platform into its Armis Centrix vulnerability prioritization and remediation product. The deal expands Armis' capability set to provide a consolidated, end-to-end view of security findings and automate remediation across on-prem, cloud, code, and application security tools.

One Equity Partners Invests in Armis

November 29, 2021

Cybersecurity

One Equity Partners (OEP) has made a growth investment in Armis to accelerate the cybersecurity company's platform development, global go-to-market expansion, and to support future acquisitions. OEP will join Armis' board and help lead acquisition strategy while Armis continues to be operated by its co-founders from its headquarters in California.

Axonius Acquires Cynerio

July 30, 2025

Cybersecurity

Axonius has acquired Cynerio, a specialist in medical-device and healthcare IoT security, to accelerate the company's expansion into the healthcare market. Deal terms were reported at about $180 million (potentially rising to $250 million on milestones), while Axonius' announcement described the transaction as "more than $100 million" in a cash-and-stock deal.

Menlo Security Acquires Votiro

February 27, 2025

Cybersecurity

Menlo Security has acquired Votiro to integrate Votiro’s data and file security capabilities—including Content Disarm & Reconstruction (CDR) and data loss prevention—into Menlo’s enterprise browser and workspace security suite. The deal expands Menlo’s product capabilities and total addressable market, accelerating revenue opportunities after Menlo recently surpassed $100 million ARR.