Shares in Tenable Holdings Inc. rose more than 9% in late trading today after the cybersecurity management company impressed investors with earnings and revenue beats in its fiscal fourth quarter and gave an outlook ahead of expectations. For the quarter that ended on Dec. 31, Tenable reported adjusted earnings per share of 48 cents, up ...

A new report out today from cybersecurity company Securonix Inc. is warning of a highly sophisticated, multistage malware campaign where attackers are abusing trusted Windows features and fileless execution techniques to bypass traditional security controls. The campaign, dubbed “Dead#Vax,” combines social engineering, disk image abuse and in-memory payload delivery to deploy a full-featured remote access trojan virus ...

Enterprise identity protection and cyber resilience company Semperis Ltd. today announced that it has acquired MightyID Inc., an identity resilience specialist for cloud identity providers Okta Inc. and Ping Identity Corp., for an undisclosed sum. MightyID was founded in 2023 with a vision to ensure that organizations can keep authentication and access systems running no matter what ...

Contextual data security startup Orion Security Ltd. announced today that it has raised $32 million in new funding for platform development, go-to-market operations and expansion of its autonomous security agents. Founded in 2024, Orion prevents data exfiltration by replacing policy-based enforcement with real-time contextual intelligence that leverages proprietary end-to-end architecture and specialized AI agents to ...

Artificial intelligence harm reduction company Umanitek AG today announced the launch of Guardian Agent, an AI identity protection platform designed to combat large language model hallucinations, deepfakes, impersonation and threats to digital identities. It also revealed the formation of a new advisory board and backing from new investors. Umanitek addresses what it calls a fundamental ...

Western Digital Corp. today unveiled a new customer-centric storage roadmap that it says reinvents the hard drive for artificial intelligence needs and reinforces its position as a strategic storage infrastructure partner for the AI-driven data economy. The announcements, made at the company’s virtual Innovation Day 2026, mark a major milestone in WD’s ongoing transformation into a ...

Agentic artificial intelligence for health plan claims operations startup Alaffia Health Inc. announced today that it has raised $55 million in new funding to accelerate growth, launch new AI agents and increase research and development. Founded in 2020, Alaffia is focused on reducing administrative waste and improving accuracy across health plan claims operations. The company ...

Cybersecurity-as-a-service startup Radicl Defense Inc. announced today that it has raised $31 million in early-stage funding to accelerate the development of its autonomous virtual security operations center built specifically for small and medium-sized businesses. Radicl was founded in 2021 to bring enterprise-grade cybersecurity to SMBs that serve the U.S. defense industrial base and critical infrastructure. ...

Software supply chain security startup RapidFort Inc. announced today that it has raised $42 million in early-stage funding to expand go-to-market efforts, advance automated remediation, deepen enterprise adoption in regulated industries, and expand software supply chain security from build through runtime. Founded in 2020, RapidFort secures modern software supply chains by eliminating vulnerabilities before they ...

Fieldguide Inc. revealed today that it has raised $75 million in new funding on a $700 million valuation to scale up its agentic artificial intelligence platform for audit and advisory services, expand its agentic AI toolset and grow its team. Founded in 2020, Fieldguide offers an AI-powered platform that transforms the way audit and advisory ...