DomainTools Acquires Farsight Security

Forcepoint Acquires Deep Secure

June 15, 2021

Cybersecurity

Forcepoint signed a definitive agreement to acquire U.K.-based Deep Secure to integrate Deep Secure’s Threat Removal platform and hardware security into Forcepoint’s Cross Domain Solutions and Data-first SASE offerings. The acquisition is intended to extend Forcepoint’s defense-grade capabilities for governments, critical infrastructure and enterprise customers worldwide.

OPSWAT Acquires Fend Incorporated

December 18, 2024

Cybersecurity

OPSWAT has acquired Fend Incorporated, a data diode and unidirectional gateway technology provider headquartered in Arlington, Virginia, to expand its OT and critical-infrastructure cybersecurity product portfolio. The deal strengthens OPSWAT’s capabilities in secure one-way data transfer for government, utilities, energy, and industrial customers and was facilitated by M&A advisor Trafalgar Capital Partners.

Forescout Acquires SecurityMatters

November 8, 2018

Cybersecurity

Forescout Technologies has acquired Dutch OT cybersecurity firm SecurityMatters to expand its device visibility and industrial/OT security capabilities. The deal (reported at about $113 million) strengthens Forescout’s offering for securing converged IT/OT environments and extends its footprint in industrial end markets.

Bitsight Acquires Cybersixgill for $115M

November 14, 2024

Cybersecurity

Bitsight Technologies has agreed to acquire cyber threat intelligence provider Cybersixgill for $115 million. The acquisition will integrate Cybersixgill's real-time threat intelligence and AI-driven analytics into Bitsight's cyber risk management platform to deliver deeper visibility into external attack surfaces and targeted threats.

Rapid7 Acquires IntSights Cyber Intelligence for ~$335M

July 19, 2021

Cybersecurity

Rapid7, Inc. (NASDAQ: RPD) acquired IntSights Cyber Intelligence Ltd. for approximately $335 million in cash and stock. The acquisition brings IntSights' external threat intelligence and remediation capabilities into Rapid7's Insight Platform to strengthen its XDR and threat detection, response and automation offerings.

DNSFilter Acquires Guardian Firewall + VPN

August 10, 2022

Cybersecurity

DNSFilter has acquired Guardian, the developer of the Guardian Firewall + VPN mobile privacy platform, to add full firewall and VPN capabilities to its AI-powered DNS security offering. The deal expands DNSFilter’s product into a more complete Secure Web Gateway (SWG), enabling URL, file type, IP and port filtering alongside DNS protection.