SentryDigest

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…

Critical FortiMail Zero-Day Flaw Exploited in Attacks Allows Unauthenticated Arbitrary File Writes

The U.S. Cybersecurity and Infrastructure Security Agency (CISA), on Thursday, added a critical security flaw impacting Fortinet FortiMail to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation. The vulnerability, tracked as CVE-2026-104286 (CVSS score: 9.8), allows unauthenticated attackers to write arbitrary files on the underlying system. "An improper…

Fortinet warns of critical FortiMail flaw exploited in zero-day attacks

Fortinet is warning customers of a critical FortiMail vulnerability, tracked as CVE-2026-104286, that is being actively exploited in zero-day attacks to execute unauthorized code or commands on vulnerable devices…

Alleged KillSec Ransomware Mastermind a 16-Year-Old

Law enforcement from multiple countries collaborated to disrupt a cybercrime operation that has claimed some 500 victims worldwide in the past two years.

Autonomous AI agents tried to hack US, Canadian government websites

Autonomous AI agents using aggressive strategies attempted to hack U.S. and Canadian government websites to find school and divorce statistics…

Microsoft says threat actors are ahead in the early AI race

Microsoft says cyberattackers are currently benefiting from artificial intelligence faster than defenders, allowing threat actors to speed up vulnerability discovery, malware development, and post-compromise activity while security teams struggle to keep pace…

Police Arrest 16-Year-Old Suspected of Running KillSec, Seize Ransomware Leak Site and Servers

Police in Spain have arrested a 16-year-old whom investigators suspect of running the KillSec ransomware group. KillSec is accused of stealing data from organizations and threatening to publish it on its leak site unless they paid. The 16-year-old was one of 3 people arrested on September 30, when police also took control of that site. Investigators identified him as KillSec's suspected…

ThreatsDay: AI-Powered Zero-Day Chain, 543K Live Secrets, Model Inspection RCE and 13 More Stories

This week, the useful words are boring ones: inspect, cache, compile, store, trust. Each sounds harmless. Each can become an attack path when a system does a little more than people expect. A model check can run code. A cache can mix up requests. A public secret can stay useful for years. That is the lesson running through the list. Attackers do not always need a brilliant new trick. They can…

WordPress Backdoor Rebuilds Itself After Cleanup Using Files, Database, and Shared Memory

Cybersecurity researchers have shed light on a WordPress compromise in which threat actors deployed multiple persistence mechanisms to ensure that the final payload kept returning without having to infect the site again. The backdoor has been codenamed SC after the "SC_" markers present in the injected content. Sucuri has described the malware as a "self-healing mesh" that's…

Police dismantle KillSec ransomware gang allegedly led by 16-year-old

An international law enforcement operation dubbed "Operation KillSwitch" seized the KillSec ransomware gang's data leak site and servers, led to three arrests, and identified a 16-year-old as the group's alleged administrator…

The Day-One Hole in Zero Trust Architecture

Zero Trust can verify users once they are established, but onboarding creates a gap where organizations must decide who to trust before strong authentication exists. Specops explains why identity verification should begin before credentials, MFA methods, and access are issued…

Kiteworks patches max severity code injection vulnerability

Secure file-sharing software company Kiteworks has released security updates to address 126 vulnerabilities, including a max-severity flaw affecting its Email Protection Gateway (EPG) security solution…

Warlock Ransomware Hits Large Spanish, Portuguese Orgs

A year-old Chinese threat actor looks like a cybercrime gang, acts like a state-associated APT, and attacks organizations in unexpected places.

How Financial Services Companies Can Modernize Their Software Supply Chain

Every security leader at a bank, insurer, or asset manager has had a version of this conversation: Security wants to eliminate a class of vulnerabilities. Engineering explains what it would take to upgrade the platform where they live. Somebody prices out the regression testing. Somebody else raises the change-freeze calendar. The finding gets an exception, a compensating control, and a date…

Microsoft enables Windows settings backup by default for orgs

Microsoft announced that Windows settings backup and restore is now enabled by default on all Microsoft Entra-joined or Microsoft Entra hybrid-joined enterprise systems upgraded to Windows 11 26H2…

OpenAI Disrupts Reasoning Extraction Campaign Linked to Moonshot AI Associates

OpenAI on Wednesday said it identified and disrupted a coordinated distillation campaign that was designed to illicitly extract protected reasoning from its artificial intelligence (AI) models. A "core cluster of the activity," going back to the first week of July, has been attributed to individuals associated with Moonshot AI, a Chinese AI company based in Beijing. It did not cite any…

CISA Adds Exploited Cisco Catalyst SD-WAN Manager Auth Bypass to KEV

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a critical authentication bypass flaw impacting Cisco Catalyst SD-WAN Manager to its Known Exploited Vulnerabilities (KEV), following reports of active exploitation. The vulnerability, tracked as CVE-2026-76504 (CVSS score: 9.8), could allow an unauthenticated, remote attacker to access an affected system with…

Hackers stole Pentagon personnel records of over 3 million people

The Pentagon's Defense Manpower Data Center (DMDC) is notifying millions of military service members that hackers stole their data after breaching the Pentagon's human resources management system in October 2025…

Google Rolls Out Gemini 4 Argon to Trusted Cyber Defenders, Plans Guardrail-Free Version

Google on Wednesday announced its latest frontier artificial intelligence (AI) model, Gemini 4 Argon, that it said is being rolled out to a set of trusted cyber defenders through its Fairwind Program. "It delivers frontier performance in complex workflows across real-world software engineering, enterprise knowledge work like legal and finance, and cybersecurity defense," Koray Kavukcuoglu…

Metamask discloses security incident affecting its infrastructure

On Thursday, cryptocurrency wallet provider MetaMask has disclosed an ongoing infrastructure security incident affecting some of its infrastructure…

Apple CoreGraphics PoC Emerges as WhatsApp PDF Checks Hint at Possible Delivery Path

Security researchers have published the first public proof-of-concept for CVE-2026-86950, an Apple CoreGraphics flaw Apple says may have been used in attacks against specific targeted individuals. The trigger is a malicious PDF with a crafted embedded font that crashes unpatched iPhones and Macs. The code causes a crash, not an execution error. Turning the memory corruption into a working…

Bitget Confirms Third-Party Zero-Day Behind $387.5 Million Cryptocurrency Theft

Cryptocurrency exchange Bitget on Wednesday confirmed that attackers who stole $387.5 million last week exploited a zero-day flaw in third-party security products, citing ongoing investigation findings from SlowMist. "Their investigation identified malicious activity involving third-party security products, including a zero-day vulnerability, and recovered a customized tool used by the attacker…

MetaMask Security Incident Prompts Exit of Affected Ethereum Validators

MetaMask on Thursday said it's responding to what it described as an "ongoing security incident" impacting part of its infrastructure. "We are actively addressing and remediating the issue internally, in coordination with external partners and security advisors," the software cryptocurrency wallet maker said. "At this time, we have identified no immediate threat to MetaMask wallets." MetaMask…

Citrix NetScaler Post-Exploitation Payload Creates Superuser, Maps Web Shell to CSS-Like URLs

Threat actors have been observed exploiting a critical pre-authentication command injection vulnerability in Citrix NetScaler ADC and NetScaler Gateway to drop web shells and attempt theft of configuration data. LevelBlue's Threat Hunt Operations & Research (THOR) team, which analyzed the exploitation activity across multiple customer environments, said it identified malicious NetScaler…

Malicious Custom GPTs Turn ChatGPT Into RAT Delivery Lure

In yet another ClickFix-style campaign, threat actors abuse legitimate domains from OpenAI and Google to fool unsuspecting users.

Trump, Tech Giants Strike Voluntary AI Safety Accord

The new White House Accord on so-called "Super Intelligence" calls on companies to implement greater controls and oversight over AI safety.

Russian state hackers use new RedFlick technique to push malware

The Russian state actor Star Blizzard has been using a new malware installation tactic dubbed "RedFlick" to deploy its signature CosmicPulse backdoor…

DIVD says Zammad zero-days enabled AI-driven network breach

The Dutch Institute for Vulnerability Disclosure (DIVD) says that the breach of its network was possible by exploiting a chain of two zero-day vulnerabilities in the open-source Zammad ticketing system…

As AI Reshapes the SOC Career Ladder, Satisfaction Rises for 91%, but Entry Gets Harder for Nearly Half

New Swimlane research underscores a paradox: While AI detection and response is essential to giving defenders an edge, one in four security pros say AI limits their skill development.

Over 543,000 valid credentials exposed in public GitHub repositories

More than 543,000 credentials exposed in public GitHub repositories were still valid in July despite the platform's security measures to prevent accidental leaks of sensitive data…

Attackers Exploit Zimbra Flaw to Deploy Web Shells and Harvest Authentication Secrets

Threat actors have weaponized a now-patched security flaw in Zimbra Collaboration Suite (ZCS) to deploy web shells and access mailbox data, according to findings from the Microsoft Security Research team. The attack exploits CVE-2026-73570 (CVSS score: 8.9), an unauthenticated operating system command injection flaw that can lead to remote code execution when Simple Network Management Protocol…

Attackers Abuse MSP360 to Deploy ScreenConnect in Dual-RMM Phishing Attacks

Microsoft has warned of phishing campaigns distributing an installer for the MSP360 Remote Monitoring and Management (RMM) software under the guise of meeting invitations, PDF-themed lures, software update prompts, and other social-engineering content. "Once executed, the legitimate MSP360 installer, distributed under a deceptive file name established remote management access on affected…