SentryDigest

Rejetto HFS servers now actively scanned for critical RCE flaw

Hackers are actively scanning for a Rejetto HFS weak signing key vulnerability, tracked as CVE-2026-61500, that allows session forgery, account takeover, and remote code execution (RCE)…

IQVIA fined $7.8 million for failing to properly anonymize health data

Italy's Data Protection Authority (GPDP) has fined IQVIA €7 million ($7.8M) over poor data-processing practices that the agency says could have put roughly one million patients at risk of data exposure and de-anonymization…

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…

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.

Denmark population registry data breach affects 8.8 million people

Denmark's Central Population Register (CPR) is warning of a data breach that exposed the personal information of approximately 8.8 million registered individuals…

New Dell System Update flaw lets hackers gain root privileges

Dell warned customers to patch a critical vulnerability in the System Update (DSU) command-line interface (CLI) deployment tool as soon as possible…

South Korea probes bank breaches amid suspected AI-powered attacks

South Korea's Financial Services Commission (FSC) held an emergency meeting following a series of cyberattacks targeting financial institutions in the country…

⚡ 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 patch list waiting behind them. Some attacks are getting more capable. Others…

tenfold CE: Our free Identity Governance tool just got 2 new features

tenfold has added shared content governance and real-time event auditing to its free Community Edition for organizations with under 150 users. The new features help teams manage Microsoft 365 sharing and investigate suspicious identity activity…

Alleged dev of Ploutus ATM malware appears in US court after arrest

The U.S. Department of Justice has announced the arrest of the alleged developer of Ploutus malware, used to steal millions of dollars in ATM jackpotting attacks across the United States…

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.

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 what they…

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 a report…

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 history – without users' full knowledge…

OpenAI will show visual ads in ChatGPT while you generate images

OpenAI is expanding ads in ChatGPT, and one of the first new formats will show visual ads while you're generating images…

Microsoft: Windows KB5124010 update crashes some games and apps

Microsoft confirmed over the weekend that some games and applications using AC-3 (Dolby Digital) audio decoding will crash after installing the September 2026 KB5124010 Windows 11 preview update…

Google halts open-source bug bounty program amid AI spam surge

Google has now suspended submissions to its Open Source Software Vulnerability Rewards Program (OSS VRP) after being flooded by AI-generated reports…

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 use to gain unauthorized access and…

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 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 that can lead to…

Citrix patches NetScaler SAML zero-day exploited in attacks

Citrix has released emergency updates for a new NetScaler denial-of-service vulnerability tracked as CVE-2026-88779 that has been exploited in zero-day attacks, with researchers investigating whether it can also be exploited for remote code execution…

Anthropic asks Claude users to share voice data for AI model training

Anthropic has started asking Claude users to voluntarily share their voice conversations to help train and improve its AI models…

ShinyHunters Suspect Rey Reportedly Detained in Jordan, Helping FBI Identify Group Members

A suspected member of the ShinyHunters digital extortion group, who goes by the online alias "Rey," has been allegedly detained by authorities in Jordan, Reuters reported, citing three people familiar with the matter. Rey, whose real name is Saif ‌al-Din Khader, is said to have been brought into custody on September 29, 2026, and cooperating with the U.S. Federal Bureau of Investigation (FBI)…

China-Aligned TA419 Targets U.S. AI Policy Experts With Microsoft AitM Phishing

A new China-nexus cyber espionage group known as TA419 has been attributed to multiple credential phishing campaigns targeting artificial intelligence (AI) experts working for U.S. think tanks, universities, and legal sector organizations. The campaigns have impersonated prominent economists and AI policymakers, as well as a prominent Anthropic employee, to single out an AI policy expert at a…

Google Gemini could soon get full access to your Mac’s files, apps and the web

Google's Gemini could soon access any file on your macOS device, open apps, browse the web, and perform actions without asking for permission every time…

ShinyHunters hacker reportedly detained in Jordan, aiding FBI

A suspected ShinyHunters hacking group member known online as "Rey" has reportedly been detained in Jordan and is cooperating with the FBI to help locate other members of the extortion group…

MI5 Says China’s MSS Funded Research Involving 100+ U.K.-Linked Academics

The U.K.'s domestic intelligence and security agency has warned that more than 100 academics have helped China boost its intelligence gathering efforts on behalf of Beijing's state security service. In a "Security Service Espionage Alert" issued on September 30, 2026, MI5 said the "primary purpose of the China General Technology Research Institute (CGTRI) 中国通用技术研究院 is to fund research that…

Warlock Exploits SharePoint Flaws to Disable Security Tools and Deploy Ransomware

The suspected China-linked threat actor known as Warlock is still continuing to weaponize Microsoft SharePoint vulnerabilities, likely both old and new, in attacks targeting organizations in Portuguese- and Spanish-speaking countries. The activity, observed by the Symantec and Carbon Black Threat Hunter Team, has hit critical infrastructure, government, and education organizations. "In the…

Danish university DTU breach exposes data of up to 200,000 people

The Technical University of Denmark (DTU) says information belonging to up to 200,000 users may have been exposed after hackers accessed its identity and access management system and downloaded a large amount of data…

The State of Cybersecurity in 2026: Key Segments, Insights, and Innovations

Featuring: Cybersecurity is being reshaped by the expansion of cloud infrastructure, AI, distributed systems, and increasingly complex digital environments. As organizations manage more identities, devices, data, and internet-facing infrastructure, security is shifting toward continuous visibility, control, and the ability to respond to risk at scale. This report examines how core areas of…

RemoteThreat Bets Security Teams Need to Test What Happens After Defenses Fail

The offensive cyber operations startup looks to evolve red teaming beyond traditional methods to simulate attackers' increasingly advanced capabilities.

Frontline Education breach exposes school district employee data

Frontline Education is notifying school districts of a data breach after attackers exploited a vulnerability in third-party software to gain unauthorized access to its systems and steal employee information, including Social Security numbers…

Warlock ransomware breach SharePoint in water, telecom operator attacks

The China-linked ransomware group Warlock targeted a water utility, a telecom provider, a regional government body, and a university by exploiting SharePoint vulnerabilities to gain initial access…

GitLab Patches Critical 9.9 AI Gateway Flaw Allowing Command Execution on Self-Hosted Servers

A critical flaw in GitLab's AI Gateway could let a logged-in user with Duo Agent Platform access run commands on the gateway under certain conditions, GitLab said in an advisory. The gateway is the service that connects a GitLab instance to AI models, and only organizations that host their own gateway need to act. The flaw is fixed in gateway versions 19.2.4, 19.3.2, and 19.4.1. The flaw…

Antino Backdoor Uses Outlook and OneDrive for C2 in China-Nexus Espionage Campaign

Government and policy organizations across Asia have become the target of a new campaign orchestrated by a China-nexus threat actor. The activity, which has targeted government and policy organizations in Taiwan, India, the Philippines, Cambodia, Pakistan, Thailand, and Myanmar, involves the deployment of a previously undocumented backdoor codenamed Antino. Cisco Talos is tracking the cluster…

Dell CSM Flaws Enable Unauthenticated Admin Access and Root on Kubernetes Nodes

Dell has released security updates to address multiple critical security flaws in Dell Container Storage Modules (CSM) that could be exploited by bad actors to take over susceptible systems. The vulnerabilities are listed below - CVE-2026-63688 (CVSS score: 10.0) - A missing authentication for critical function vulnerability in the csm-authorization-storage gRPC server that an…

Kiteworks & Citrix Incidents Show Challenges of Zero-Day Response

One company told customers to power down its data-protection platform during a nine-hour window, while the other remained mum on reported attacks prior to releasing a patch for its product.

SWIFT Banking & Government Middleware Enables RCE

Patch middleware vulnerabilities now to avoid hardware-based MFA exploits in ultra-sensitive environments.

GitLab warns of critical RCE vulnerability in AI Gateway service

GitLab warned customers today to immediately patch a critical AI Gateway vulnerability that could let attackers run arbitrary commands on vulnerable instances…

Is Your Organization Ready for 2027's AI Accountability Era?

Organizations may face an artificial intelligence (AI) reckoning over the next year. Omdia and Gartner weigh in on how to tackle the governance, security, and value challenges ahead.

Is It Fair to Blame 'Rogue' AI for Security Failures?

US sanctions Tren de Aragua gang members in ATM hacks crackdown

The U.S. Treasury Department has sanctioned eight members of the Venezuelan gang Tren de Aragua (TdA) for their role in the theft of millions of dollars in ATM jackpotting attacks across the United States…

The EDR blind spot: 3 ways browser attacks evade endpoint telemetry

Browser-based attacks can steal sessions, abuse extensions, or manipulate users without creating the endpoint artifacts EDR is designed to detect. NordLayer explains three ways attacks can evade endpoint telemetry and why browser-level controls can help close the gap…

Vulnerability Backlogs Are an Ownership Problem

Organizations don't need better vulnerability scanners; they need to know who owns their assets and has the authority and capacity to actually fix them.

Malicious Linux Implants Mimic Asian Mail Security Products

A trio of newly discovered backdoors walk and quack like legitimate edge solutions, so it's hard to tell they're not.

Dell asks admins to patch max severity CSM flaws as soon as possible

Dell has patched two maximum severity vulnerabilities in the Container Storage Modules (CSM) that connect Dell enterprise storage arrays to Kubernetes environments…

OpenAI Parts Ways With Three Safety Researchers Over Sensitive Information Mishandling

OpenAI has parted ways with three members of its safety team after they leaked private information in violation of company policies, The Wall Street Journal reported. "We have parted ways with three individuals for violating our policies on accessing and handling sensitive company information," a spokesperson for the company was quoted as saying. "Our investigation confirmed that these…

Why CISOs Struggle to Answer the Board's Three Hardest Questions, and How to Fix the Report

The quarterly board meeting is two weeks out. The security team is pulling exports from the identity provider, the cloud posture tool, the vulnerability scanner, the SIEM and the EDR console. Someone is building a spreadsheet to reconcile them. Someone else is turning that spreadsheet into slides. Then a board member asks three questions: How secure is the organization, overall? What is…

Microsoft’s X account hacked in crypto pump-and-dump scheme

On Thursday, unknown attackers hijacked the official Microsoft account on X, which has over 13 million followers, in what appeared to be a pump-and-dump scheme promoting a crypto token…

Android 17 Advanced Protection Locks Accessibility Services to Verified Accessibility Tools

Google has announced a new security measure that limits access to Android's accessibility services to verified applications classified as Accessibility Tools when Advanced Protection is enabled. With malicious Android applications abusing the API serving as the main conduit for malware and financial fraud, the tech giant said the move would block a major attack pathway. Advanced Protection is a…