Latest Cybersecurity News and Articles

---

Apple Patches 87 Vulnerabilities in iOS, 155 in macOS Tahoe

Apple announced that dozens of vulnerabilities have been patched in each of its operating systems. The post Apple Patches 87 Vulnerabilities in iOS, 155 in macOS Tahoe appeared first on SecurityWeek.

---

JFrog Confirms OpenAI Models Exploited Artifactory Zero-Day Before Hugging Face Breach

JFrog has confirmed that OpenAI models exploited a zero-day in self-hosted Artifactory while trying to reach the open internet from a sealed evaluation environment. Artifactory is JFrog's software repository manager. OpenAI says the models then escalated privileges and moved laterally until they reached an internet-connected node. JFrog says it has since developed and released fixes for cloud

---

OT Security Startup Frenos Raises $1.52 Million

The company will use the fresh investment to grow its customer success and AI R&D teams. The post OT Security Startup Frenos Raises $1.52 Million appeared first on SecurityWeek.

---

Critical OpenWrt DHCPv6 Flaw Could Let Unauthenticated Attackers Run Code as Root

OpenWrt has shipped version 24.10.8 to close a critical DHCPv6 stack overflow and a wider set of remotely triggerable flaws in network services enabled by default. The critical issue, tracked as CVE-2026-53921 and rated 9.8 on CVSS 3.1 in OpenWrt's GitHub advisory, lets an unauthenticated attacker able to reach the DHCPv6 server overwrite a stack buffer in odhcpd through a crafted DHCPv6

---

Nimbus Manticore Deploys NightLedger and Turns Victim Systems Into Covert Relays

The Iranian state-backed hacking group tracked as Nimbus Manticore (aka GalaxyGato, Mirage Kitten, Smoke Sandstorm, Subtle Snail, and UNC1549) has been attributed to a fresh set of attacks targeting entities across the Middle East, Africa, and South Asia. The intrusions involve the use of a previously undocumented Windows backdoor called NightLedger and two custom WebSocket tunnelers,

---

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

The company claims MAI-Cyber-1-Flash tops Anthropic’s Mythos and OpenAI’s GPT-5.6 Sol in CyberGym testing. The post Microsoft Unveils MAI-Cyber-1-Flash, Its First Cybersecurity AI Model  appeared first on SecurityWeek.

---

Act Security Emerges from Stealth to Fight the Patch Problem

Act Security tackles the spiraling patch problem caused by AI’s ability to find new vulnerabilities in existing cloud environments. The post Act Security Emerges from Stealth to Fight the Patch Problem appeared first on SecurityWeek.

---

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

Tal Kollander’s history divides neatly into two halves: first as an active hacker and then as the block that stops hacks. The post Hacker Conversations: Tal Kollander’s Journey From Black Hat to Hack Blocker appeared first on SecurityWeek.

---

Hush Security Raises $30 Million for AI Agent Governance

The startup will invest in expanding engineering and sales teams, accelerating ecosystem support, and expanding corporate partnerships. The post Hush Security Raises $30 Million for AI Agent Governance appeared first on SecurityWeek.

---

Google Adopts New Threat Actor Naming System

The new two-word naming convention uses a memorable term utilized in public reporting and a cluster-categorization word. The post Google Adopts New Threat Actor Naming System appeared first on SecurityWeek.

---

Critical TeamCity Flaw Could Let Attackers Run OS Commands Without Logging In

JetBrains is urging customers of on-premise versions of TeamCity to update to the latest version following the discovery of a critical security issue that could result in arbitrary code execution. The vulnerability, assigned CVE-2026-63077 (CVSS score: 9.8), affects all TeamCity On-Premises versions. It has been addressed in versions 2025.11.7 and 2026.1.3. TeamCity Cloud instances have already

---

Researcher Says AI Helped Develop Linux Traffic-Control Race Into Root Exploit

STAR Labs has published a Linux kernel exploit that turns an ordinary local user into root on the CentOS Stream 9 build it targeted. The flaw, tracked as CVE-2026-53264 (CVSS score: 7.8), is a use-after-free race in the kernel's network traffic-control subsystem.Researcher Lee Jia Jie said artificial intelligence (AI) helped him find the bug and speed up exploit development. This is local

---

Unpatched Fastjson Vulnerability Exploited in Attacks

The critical remote code execution bug can be exploited without authentication, under the library’s stock default configurations. The post Unpatched Fastjson Vulnerability Exploited in Attacks appeared first on SecurityWeek.

---

Critical Arista VeloCloud Orchestrator Vulnerability Exploited as Zero-Day

Impacting on-premises deployments, the OS command injection allows attackers to access privileged internal functionality. The post Critical Arista VeloCloud Orchestrator Vulnerability Exploited as Zero-Day appeared first on SecurityWeek.

---

Microsoft Says New Cybersecurity AI Model Helps MDASH Hit 95.95% at Half the Cost

Microsoft has launched its first cybersecurity-specific model inside MDASH, its multi-model vulnerability identification and remediation harness. The company says MDASH, using MAI-Cyber-1-Flash and GPT-5.4, scored 95.95% on CyberGym. It also claims the configuration costs 50% less than its current best MDASH combination of GPT-5.4, GPT-5.4 mini, and GPT-5.3 Codex. Access is limited to approved

---

Origin Energy Data Breach Affects 900,000 Australians

The hacker claimed to have stolen the information of 2 million Origin Energy customers after breaching its systems. The post Origin Energy Data Breach Affects 900,000 Australians appeared first on SecurityWeek.

---

Attackers Exploit Arista VeloCloud Orchestrator Command Injection Flaw

A maximum-severity security flaw impacting on-premises versions of Arista VeloCloud Orchestrator (VCO) has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-16812 (CVSS score: 10.0), is a case of operating system command injection that could pave the way for arbitrary code execution. "VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue

---

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

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. The post For Some, So-Called ‘Skynet Day’ Came too Close to Sci-Fi After a Rogue Agent Hacked Into a Startup appeared first on SecurityWeek.

---

NVIDIA Forms 37-Member Open Secure AI Alliance and Open-Sources NOOA Framework

NVIDIA and 36 other organizations have formed the Open Secure AI Alliance to develop and share open technologies, techniques, and tools for securing software and artificial intelligence (AI) agents. The 37-member group spans cloud, security, enterprise software, and AI companies, including Microsoft, Cisco, Cloudflare, CrowdStrike, Hugging Face, IBM, Palo Alto Networks, Red Hat, and the Linux

---

Dysphoria IoT Botnet Adds Blockchain C2 and Victim Relays After JackSkid Disruption

Dysphoria, an Internet of Things (IoT) botnet line tracked by CNCERT and XLab, has adopted blockchain-based name services and infected-device relays after a March law-enforcement operation against JackSkid infrastructure. The researchers say the design makes the botnet harder to disrupt. CNCERT, China's national computer emergency response team, and XLab, the threat-intelligence lab of Chinese