SentryDigest

Japan's Keio confirms ransomware attack disrupted business systems

Keio Corporation (Keio), a major private railway operator in Japan, said its network was hit by a ransomware attack over the weekend, disrupting some of its business systems…

Times Car confirms data breach affecting 6.6 million user accounts

Japanese car-sharing service Times Car has confirmed that approximately 6.6 million user accounts were compromised in a cyberattack disclosed late last week…

Carbonato Botnet Puts an AI Agent on Hacked Docker Hosts

The botnet uses the open source Hermes Agent AI framework to execute commands via Telegram and steal AI API keys from exposed Docker hosts.

Dutch police confirm arrest in ShinyHunters hacking investigation

Dutch police have confirmed that a 24-year-old Amsterdam man arrested earlier this month was detained as part of an investigation into the ShinyHunters hacking group…

Apple Patches CoreGraphics Flaw Possibly Exploited in Targeted Attacks

Apple has released security updates to address a vulnerability in older versions of iOS, iPadOS, and macOS that it said may have been exploited in targeted attacks. The vulnerability, tracked as CVE-2026-86950, refers to an out-of-bounds write impacting the CoreGraphics component that could lead to arbitrary code execution when processing a maliciously crafted file. The iPhone maker said the…

Over 16,000 Supabase databases expose PII, passwords, auth tokens

Researchers found more than 16,000 misconfigured Supabase databases exposing readable tables with personally identifiable information, passwords, or authentication tokens…

AI Agents Are Privileged Users; Who Is Auditing Their Access?

Enterprises regularly rigorously monitor human employees, while autonomous AI agents quietly operate with broad privileges that could turn them into the next generation of insider threats.

Hackers Use NeedyMantis to Maintain Long-Term Access in Breached Networks

Hackers have used a malware family called NeedyMantis to maintain long-term access to networks they had already breached, Microsoft said in a technical analysis. The malware has been seen in a small number of targeted intrusions at telecommunications organizations, universities, medical nonprofits, intergovernmental organizations, and government contractors. Its use goes back to at least…

IAM for AI agents: A Practical Enterprise Framework

Bitget Says Attacker Exploited Third-Party Security Product Flaw to Steal $388M

The attacker who stole about $388 million from the cryptocurrency exchange Bitget gained access through a vulnerability in a third-party security product the exchange used, Bitget said on Monday. The attacker exploited the flaw to obtain high-level internal credentials and then, on September 24, used them to send fraudulent withdrawal commands to Bitget's wallet system. Exchanges keep most…

RatHat Android Malware Console Uses Gemini to Identify Higher-Value Victims

RatHat's operators build and publish the Android banking trojan and control infected phones from a web console, according to security company Cleafy. Cleafy has traced nearly 100 deployments of that console since April 2026. It said this fits a malware-as-a-service model, in which each customer runs a separate copy. The console stores what the malware collects from each phone…

Chrome Store Hosts 'Poper Blocker' Spyware Downloaded by Millions

A purported ad-blocker exfiltrates reams of sensitive information and benefits from having Google's stamp of approval despite researcher warnings.

JadePuffer agentic AI attacks target Azure, destroy cloud resources

The JadePuffer ransomware operator is targeting Azure tenants with agent-driven attacks that conduct reconnaissance, steal credentials, and destroy core components…

JadePuffer AI Actor Compromises Azure Tenant in Destructive Cloud Attack

The "agentic threat actor" may have used exposed credentials to access resources and delete cloud-based storage, applications, and databases.

Dutch Police Arrest ‘Reformed’ Hacker in Shiny Hunters Investigation

⚡ Weekly Recap: $387M Crypto Hack, Citrix Exploits, AI Agents Go Off-Script, and More Threats

A domain used as harmless placeholder text showed up in roughly 1,700 repositories. Then somebody registered it and started serving malicious lures. That is the kind of week this was: forgotten assumptions turning into live attack surface. Elsewhere, weak service accounts, old bugs, exposed systems, phishing kits, and strangely easy exploit paths kept doing useful work for attackers. Nothing…

80,000+ Organizations Had AI Logins Stolen: From Shadow AI to LLMjacking

Infostealer logs exposed AI account credentials and sessions tied to more than 80,000 corporate domains, creating risks ranging from stolen conversations to LLMjacking. SOCRadar examines the growing market for stolen AI logins and how organizations can identify their exposure…

Webinar: How to Govern AI Agents, Reduce Excessive Access, and Control Shadow AI

AI agents are moving into production faster than security teams can govern them. They are connecting to apps, handling data, calling APIs, and acting across business systems—often without the same controls applied to human users. According to Okta’s Global CISO Insights 2026 report, only 47% of CISOs are confident they can identify every AI agent in their environment. Even among those who feel…

Carbonato Botnet Compromises Docker Hosts to Deploy Telegram-Controlled Hermes AI Agent

Cybersecurity researchers have disclosed details of a new botnet malware called Carbonato that's targeting exposed Docker daemons to deploy an open-source artificial intelligence (AI) agent framework called Hermes Agent. "The implant installs the framework unchanged, then overwrites its SOUL.md persona file," ThreatDown said. "The 39-line prompt directs it to execute tasks received through…

Bitget resumes Bitcoin withdrawals after $387.5 million crypto heist

Cryptocurrency exchange Bitget has resumed Bitcoin withdrawals suspended after suspected North Korean hackers breached its systems last week and stole over $350 million…

JADEPUFFER-Linked Attackers Used Compromised Service Principals to Delete Azure Resources

The threat actor known as JADEPUFFER has been observed orchestrating destructive actions within a Microsoft Azure environment using compromised service principals. Microsoft, which is tracking the activity under the name Storm-3168, has called it an evolution of the threat actor's tradecraft. The attack took place in early June 2026 over a period of about 18 hours. "The destructive operations…

US soldier gets 70 months in prison for extorting 10 tech, telecom firms

A former U.S. Army soldier has been sentenced to 70 months in prison for hacking and extorting at least 10 U.S. technology and telecommunications companies between April 2023 and December 2024…

CISA Says Attackers Are Exploiting Two Critical Citrix NetScaler Flaws Globally

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Sunday added two critical Citrix NetScaler ADC and Gateway flaws to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation. The vulnerabilities are listed below - CVE-2026-88771 (CVSS score: 9.5) - An improper input validation vulnerability that could allow an unauthenticated attacker to…

CISA orders feds to patch exploited Citrix flaws by Wednesday

The Cybersecurity and Infrastructure Security Agency (CISA) has ordered U.S. government agencies over the weekend to secure their systems against attacks exploiting two critical Citrix NetScaler vulnerabilities…

OpenAI is preparing “o,” an always-on ChatGPT assistant that could handle email

OpenAI is testing a new always-on assistant called "o", and references to the unannounced feature briefly showed up on the company's website…

Citrix confirms two NetScaler RCE zero-days exploited in attacks

Citrix has confirmed that two critical NetScaler remote code execution vulnerabilities, tracked as CVE-2026-88771 and CVE-2026-88772, are being exploited in attacks and that it has released security updates to fix the flaws…

Cloudflare fixes Containers cross-tenant flaw exposing customer data

Cloudflare has fixed a vulnerability in Containers and Sandboxes that allowed customers with a Workers Paid account to recover residual data from other customers' containers on the same physical host…

Anthropic turns Claude into an AI marketplace with 2,000+ plugins and connectors

Anthropic has just announced a new Claude Marketplace, and it brings all AI-related tools into one place, including plugins, connectors, agents, and more…

Warning: Two Unpatched Citrix NetScaler RCE Zero-Days Under Active Exploitation

Two critical vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway that allow remote code execution have been exploited in the wild, Citrix confirmed on September 27. It released fixes for both, along with six other flaws. One of the two affects every deployment on an affected version, including those in the default configuration. The bulletin came a day after security firm watchTowr…

ShinyHunters uses WAF bypass trick in Oracle PeopleSoft attacks

The ShinyHunters extortion gang is using a URL-encoding trick to bypass web application firewall rules that mitigate the Oracle PeopleSoft CVE-2026-35273 flaw, allowing the threat actors to resume widespread exploitation of a flaw on vulnerable servers…

Lunex Stealer Abuses AMD Driver to Disable Security Monitoring and Steal Browser Credentials

The Psychedelic Stealer malware distributed via compromised Ukrainian websites using ClickFix-style Cloudflare verification checks is part of a wider malware-as-a-service (MaaS) platform called Lunex. The new findings come from Ontinue, which described the activity as a four-stage attack chain aimed at targeting Ukrainian-speaking users. "The attack chain begins with a fake CAPTCHA page and…

Claude Opus 5.5 uses 95% fewer em dashes, but its answers are getting longer

Anthropic's Claude Opus 5.5 appears to be changing how it writes, with new analysis showing fewer obvious AI writing patterns, shorter sentences, and simpler wording compared with Opus 5…

Microsoft pauses KB5002907 update after Office license deactivations

Microsoft has paused the rollout of the KB5002907 Microsoft 365 update after users report that it deactivated, or in some cases completely removed, perpetual Office 2016 and Office 2019 installations…

GitHub Actions re-enabled with Mini Shai-Hulud payload still active

Two third-party GitHub Actions previously compromised in a Mini Shai-Hulud campaign were re-enabled by their maintainer and remained accessible for more than a week despite still pointing to malicious code…

OpenAI's AI agents accidentally uploaded user-provided images to third-party sites

OpenAI says its AI agents uploaded user-provided images to third-party image-hosting services while carrying out research and evaluation tasks…

Attackers Bypass WAFs to Exploit Oracle PeopleSoft Flaw and Deploy Web Shells

Google is warning of renewed mass exploitation of a known security vulnerability in Oracle PeopleSoft as part of a campaign targeting multiple sectors globally. The ShinyHunters-linked activity involves the weaponization of CVE-2026-35273 (CVSS score: 9.8), a critical security flaw that could result in unauthenticated remote code execution. The vulnerability was first exploited as a zero-day…

Zero Trust for AI Agents Starts With Fixing Zero Visibility

The way we talk about AI agents is shifting, and the way we implement them requires an even more fundamental shift. While earlier discourse focused on how quickly organizations could stand up agents and how much productivity they could promise, a string of recent incidents, including a widely discussed intrusion at Hugging Face during an evaluation of OpenAI agents, has spurred organizations to…

Elementor CSRF Flaw Lets Attackers Take Over Sites After Admin Clicks Crafted Link

Details have emerged about a high-severity security flaw in the Elementor Website Builder WordPress plugin that could be exploited by an unauthenticated attacker to create rogue administrator accounts and take control of a site. The cross-site request forgery (CSRF) vulnerability, which has yet to be assigned a CVE identifier, carries a CVSS score of 8.8 out of 10.0. It only affects versions…

SharePoint RCE and MikroTik RouterOS Flaws Actively Exploited in the Wild

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added two security flaws impacting Microsoft SharePoint and Mikrotik RouterOS to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerabilities in question are as follows - CVE-2026-65660 (CVSS score: 8.8) - A code injection vulnerability in Microsoft Office SharePoint…

Kiteworks Urges Customers to Shut Down Systems for 9 Hours Over Possible Cyber Attack

Kiteworks (formerly Accellion) is urging customers to shut down their systems as a precautionary measure for nine hours over the weekend after it received threat intelligence about an imminent cyber attack. "Kiteworks received credible threat intelligence from federal intelligence authorities indicating that a threat actor may attempt to target some Kiteworks systems," said Frank Balonis, Chief…

U.S. Soldier Gets 70 Months in Prison for AT&T, Verizon Extortions

Kiteworks urges 6-hour server shutdown over potential zero-day attacks

Secure file-sharing software company Kiteworks is urging customers worldwide to temporarily shut down their servers on Saturday for a six-hour window after receiving threat intelligence warning of a potentially imminent cyberattack…

ShinyHunters hacked Clop leak site using Grav CMS path traversal flaw

The Clop ransomware gang has moved its data leak site to a new Tor address after confirming its previous server was compromised and defaced through an unpatched Grav CMS flaw that BleepingComputer has learned is an unauthenticated path traversal vulnerability…

Why the CISO-CFO Relationship Is a Key to Cybersecurity Success

Organizations where CISOs and CFOs align on cybersecurity strategy to protect assets, manage risk, and enable business growth are better prepared to face today's threat landscape.

AI Sandbox Escapes: Why Forensic Readiness Matters More Than Containment

When autonomous AI agents "escape the sandbox," the real story isn't rogue machines — it's the same access-control failures we've seen for decades.

Elementor WordPress flaw lets attackers create admin accounts

A cross-site request forgery (CSRF) vulnerability in the Elementor plugin for WordPress could allow an unauthenticated attacker to create administrator accounts…

What We Missed: Google Gemini Joins the AI Escape Party

In this video conversation, Dark Reading editors discuss some of the news they didn't get a chance to cover, from Google Gemini models breaking containment to ShinyHunters ratting on TeamPCP hackers.

CISA warns of Sharepoint, WSO2, Adobe Commerce flaws exploited in attacks

The Cybersecurity and Infrastructure Security Agency (CISA) warns that hackers are exploiting a critical authentication bypass vulnerability (CVE-2026-5430) affecting multiple products from enterprise software provider WSO2…

Anthropic rolls out up to $250 in free Claude Code credits, but only for cloud sessions

Anthropic now allows you to run Claude Code via cloud sessions without signing up for the research preview, and it's offering up to $250 in free usage credits, so more users can give it a try…

OpenAI is preparing a $500 ChatGPT Pro Max plan with faster Codex

OpenAI appears to be preparing a new ChatGPT Pro Max subscription that could cost $500 per month, but it's unclear when it'll begin rolling out…

Stopping IT Worker Scams Requires Revamped HR Process

Training human-resource managers in the latest tactics and warning signs goes a long way toward blunting the threat, but automated analysis can help even more.

Compromised GitHub Actions Came Back Online and Resumed Executing Mini Shai-Hulud Malware

Two actions-cool GitHub Actions have been disabled for a second time after the repositories became accessible last week, months after they were compromised during the May 2026 Mini Shai-Hulud campaign. The affected GitHub Actions are listed below - actions-cool/issues-helper actions-cool/maintain-one-comment Visiting either of the repositories now shows the message: "Access to this…

PamStealer macOS Malware Adds Live C2 Payload Decryption and Multi-Layer Persistence

Cybersecurity researchers have flagged a new version of PamStealer that ensures that the main payload can only be recovered using a server-side decryption chain. The latest artifacts, per Jamf Threat Labs, continue to rely on the same JavaScript for Automation (JXA) dropper mechanism, but modify the lure and the delivery method. "Where earlier variants embedded their payload key material…

The SOC Doesn't Need to Start Over with Every Alert

Security leaders keep debating whether AI will produce an entirely new class of cyberattack. The nearer change is quieter and already visible: AI has made a failed attack cheap to retry. The routine version looks like this. An attacker lands on a low-privilege cloud account, and the first try at privilege escalation goes nowhere. That dead end used to cost hours of documentation reading…