SecurityWeek

ThreatLocker Raises $190 Million in Series F Funding

Security Week - Wed, 07/29/2026 - 8:17am

The company was previously valued at $1.6 billion, and the latest raise has significantly increased that valuation.

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Critical VM Escape Vulnerability Patched in VMware ESXi

Security Week - Wed, 07/29/2026 - 7:42am

A total of five vulnerabilities have been patched in VMware ESXi, vCenter, Workstation, and Fusion.

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US, Australia Release OT Isolation Guidance for Critical Infrastructure 

Security Week - Wed, 07/29/2026 - 6:58am

The guidance details steps organizations can take to isolate vital OT and supporting systems, and operate in isolation for an extended period.

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OpenAI’s Rogue AI Ventured Beyond Hugging Face

Security Week - Wed, 07/29/2026 - 6:10am

Hugging Face has published an anatomy of the attack and OpenAI has shared additional information from its investigation.

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Spur Raises $200 Million for IP Intelligence Platform

Security Week - Wed, 07/29/2026 - 5:12am

The IP intelligence company will use the fresh investment to accelerate and scale its operations.

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JFrog Zero-Days Exploited in OpenAI-Hugging Face Hack

Security Week - Wed, 07/29/2026 - 4:46am

The OpenAI models targeted services beyond Hugging Face as they attempted to solve the tasks they were given.

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Dozens of Minnesota Water Utilities Targeted in Coordinated OT Attacks

Security Week - Wed, 07/29/2026 - 3:53am

State and federal agencies respond after intrusions disrupt automated controls at municipal water and wastewater utilities.

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ShinyHunters Claims Ernst & Young Hack

Security Week - Wed, 07/29/2026 - 2:23am

Ernst & Young previously confirmed that personal and financial information was stolen from a third-party management platform.

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Cyera Acquiring Oasis Security in $1 Billion Deal

Security Week - Tue, 07/28/2026 - 10:55am

Oasis Security recently raised $120 million in Series B funding for its agentic access management platform.

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Apple Patches 87 Vulnerabilities in iOS, 155 in macOS Tahoe

Security Week - Tue, 07/28/2026 - 10:19am

Apple announced that dozens of vulnerabilities have been patched in each of its operating systems.

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OT Security Startup Frenos Raises $1.52 Million

Security Week - Tue, 07/28/2026 - 9:05am

The company will use the fresh investment to grow its customer success and AI R&D teams.

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Microsoft Unveils MAI-Cyber-1-Flash, Its First Cybersecurity AI Model 

Security Week - Tue, 07/28/2026 - 7:11am

The company claims MAI-Cyber-1-Flash tops Anthropic’s Mythos and OpenAI’s GPT-5.6 Sol in CyberGym testing.

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Hacker Conversations: Tal Kollander’s Journey From Black Hat to Hack Blocker

Security Week - Tue, 07/28/2026 - 7:00am

Tal Kollander’s history divides neatly into two halves: first as an active hacker and then as the block that stops hacks.

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Act Security Emerges from Stealth to Fight the Patch Problem

Security Week - Tue, 07/28/2026 - 7:00am

Act Security tackles the spiraling patch problem caused by AI’s ability to find new vulnerabilities in existing cloud environments.

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Hush Security Raises $30 Million for AI Agent Governance

Security Week - Tue, 07/28/2026 - 6:17am

The startup will invest in expanding engineering and sales teams, accelerating ecosystem support, and expanding corporate partnerships.

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Google Adopts New Threat Actor Naming System

Security Week - Tue, 07/28/2026 - 4:42am

The new two-word naming convention uses a memorable term utilized in public reporting and a cluster-categorization word.

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Unpatched Fastjson Vulnerability Exploited in Attacks

Security Week - Tue, 07/28/2026 - 3:27am

The critical remote code execution bug can be exploited without authentication, under the library’s stock default configurations.

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Critical Arista VeloCloud Orchestrator Vulnerability Exploited as Zero-Day

Security Week - Tue, 07/28/2026 - 2:40am

Impacting on-premises deployments, the OS command injection allows attackers to access privileged internal functionality.

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Origin Energy Data Breach Affects 900,000 Australians

Security Week - Tue, 07/28/2026 - 1:01am

The hacker claimed to have stolen the information of 2 million Origin Energy customers after breaching its systems.

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For Some, So-Called ‘Skynet Day’ Came too Close to Sci-Fi After a Rogue Agent Hacked Into a Startup

Security Week - Mon, 07/27/2026 - 10:28pm

Decades after it appeared in “The Terminator,” Skynet looks more like a forecast of the cyber incident in which a rogue AI system hacked into another AI company on its own.

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