ClingSTUN Turns Vulnerable IoT Devices Into Proxy Nodes
The Linux backdoor exploits 24 known flaws to compromise IoT devices and uses legitimate public STUN servers to obscure communications.
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Microsoft Exchange Flaw Lets Authenticated Attackers Read Other Users’ Mailboxes
Microsoft has released out-of-band security updates to address a high-severity flaw in Microsoft Exchange Server that could allow an attacker to escalate privileges under certain conditions. The vulnerability, tracked as CVE-2026-96940, is rated 8.8 on the CVSS scoring system. “Weak authorization in Microsoft Exchange Server allows an authenticated attacker to elevate privileges over a
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Chinese Hackers Impersonate US Officials for AI Cyber Espionage
An emerging threat group known as TA419 established seemingly legitimate professional relationships with AI policy experts working for US think tanks, universities, and legal organizations.
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⚡ Weekly Recap: NetScaler and FortiMail 0-Days, AI Coding Leaks, Spectre v2 and Ransomware Arrests
A blank field. A public repo. One reply to an email. A box left exposed. None of this sounds dramatic, which is partly the problem. This week’s threats keep finding leverage in small things that were easy to overlook. There are actively exploited bugs in the mix, cleaner intrusion paths, smarter automation, and a long…
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Need for Speed: AI-Driven Attacks Are Changing Security Strategies
AI-powered attacks are fast, relentless, and automated. How security teams can keep up is top of mind, according to the latest Dark Reading reader poll.
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The Credential Layer Is Expanding Faster Than Security Teams Can See It
Every modern enterprise depends on credentials. This is how humans, systems, and now AI, all connect to data, services, and each other securely. GitGuardian helps secure that credential layer through three connected capabilities: Detect, Remediate, and Prevent. The journey starts with detection, because organizations first need to understand what credentials exist, where they live, and…
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Realtek Jungle SDK Exploit Attempts Deliver Cling Botnet With STUN-Based C2
Threat actors have been observed attempting to exploit a now-patched critical security flaw impacting the Realtek Jungle software development kit (SDK) to deploy a botnet malware called Cling. “Cling is notable not because it introduces a new propagation technique, but because it repurposes ordinary STUN behavior into a practical command-and-control channel,” Nozomi Networks said in…
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Apple Plans Tighter macOS Full Disk Access Controls Over AI Agent Data Access
Apple has announced that it’s taking steps to tighten controls around a macOS setting called Full Disk Access (FDA) due to security risks posed by artificial intelligence (AI) agents. “Some developers are using Full Disk Access in ways that could put users at risk, exposing everything on their systems—including files, mail, messages, and even browsing…
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Attackers Target Rejetto HFS Flaw That Enables Admin Session Forgery and RCE
A critical security flaw impacting Rejetto HTTP File Server (HFS) is witnessing active exploitation attempts, according to VulnCheck. The vulnerability in question is CVE-2026-61500 (CVSS score: 9.3), a case of session forgery stemming from the use of a weak pseudo-random number generator (PRNG) that can lead to a predictable key, which an attacker can then…
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New NetScaler Zero-Day Exploited in Targeted Attacks Can Knock SAML Deployments Offline
Citrix has released security updates for a high-severity security flaw in NetScaler ADC and Citrix NetScaler Gateway that has been exploited as part of targeted zero-day attacks. The vulnerability, tracked as CVE-2026-88779, carries a CVSS score of 8.7 out of 10.0. “CVE-2026-88779 is a memory overflow vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway…