SentryDigest

PoeLLM malware infects exposed AI servers in cryptomining attacks

A cryptomining campaign targeting exposed AI services is using PoeLLM malware to turn compromised servers into scanners and exploit launchpads…

Ransomware has a new target. Is your backup ready?

Ransomware groups are increasingly targeting backup infrastructure to eliminate recovery options and increase pressure on victims to pay. Kaseya explains why organizations need isolated, immutable, and regularly tested backups that attackers cannot easily reach…

ShinyHunters Extorted Boeing Spin-off Prior to Arrests

Hackers exploit critical Atlassian flaw after public PoC release

A critical vulnerability (CVE-2026-21589) affecting multiple Atlassian product families, including Jira, Confluence, and Bitbucket, is being exploited in attacks that do not require authentication…

The Sixth Voice of the CISO Data Shows Cyber Risk Has Moved Inside the Workflow

The 2026 findings are not just a year-over-year shift. They mark the latest point in a five-year arc where resilience, AI governance, human risk, and board scrutiny are converging inside the systems where work actually happens. For years, the enterprise cybersecurity story has been told as a straight line of escalation: more attacks, more data loss, more pressure, and more urgency. That…

FBI Warns FortiBleed Remains Active After Amassing 86,644 Fortinet Device Credentials

The U.S. Federal Bureau of Investigation (FBI) and Secret Service (USSS) on Tuesday warned that the FortiBleed credential harvesting campaign remains an active threat aimed at internet-facing Fortinet FortiGate firewalls and secure socket layer (SSL) virtual private network (VPN) gateways. "The campaign exploits reused or leaked credentials and legacy SHA-256 password storage, enabling threat…

Atlassian Data Center Flaw Draws Exploitation Attempts Within Two Hours of Public Details

Threat actors have begun to exploit a newly disclosed critical security flaw impacting Atlassian Data Center products that could allow access to sensitive files under certain conditions. The arbitrary file access flaw, tracked as CVE-2026-21589 (CVSS score: 9.3) affects multiple products, including Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software…

What Is Agentic Pentesting? What It Proves, and Where It Stops.

If you’re evaluating an agentic pentesting solution right now, you’ve probably heard the same pitch more than once: point it at a target, and it discovers, validates, and exploits attack paths autonomously, the way a real attacker would. That promise is worth taking seriously. It’s also worth pressure testing, and three questions do the heavy lifting. What can the assessment actually…

SonicWall warns of max severity SSRF flaw in SMA1000 gateways

SonicWall has released hotfixes to address a maximum-severity server-side request forgery (SSRF) flaw in SMA1000 series appliances…

Musician sent to prison for $10 million streaming fraud using AI bots

A North Carolina musician was sentenced to 18 months in prison for collecting more than $10 million in royalties from Spotify, Apple Music, Amazon Music, and YouTube Music in a massive streaming royalty fraud scheme…

Advantest confirms personal information stolen in ransomware attack

Advantest Corporation is notifying affected individuals that a ransomware attack earlier this year exposed their personally identifiable data…

Anthropic Expands Claude Access for Vetted Cyber Teams as Glasswing Finds 129,000 Flaws

Anthropic on Tuesday said it's expanding a program that allows vetted cybersecurity professionals to test its advanced artificial intelligence (AI) models with reduced safeguards and blocking classifiers, as the company claimed its Project Glasswing initiative uncovered at least 129,000 verified software vulnerabilities between April and July 2026. The company said it also found an additional…

100+ Compromised Websites Use Fake Cloudflare Checks to Deliver LunexStealer

The Computer Emergency Response Team of Ukraine (CERT-UA) has identified more than 100 compromised websites that have been injected with malicious JavaScript to serve an information-stealing malware called LunexStealer (aka Psychedelic Stealer). The activity, which was observed by the agency in September 2026, has been attributed to a threat cluster dubbed UAC-0277. It did not disclose who the…

Ninja Forms plugin flaw exploited to hack WordPress sites

Hackers are exploiting stored cross-site scripting (XSS) vulnerabilities in two unrelated WordPress plugins, Ninja Forms and WPC Product Bundles for WooCommerce, to install backdoors and create rogue admin accounts…

ClickFix Attacks Evolve to Better Hide Malicious Payloads

Threat actors are now hiding payloads by using DNS TXT records and browser cache pre-fetching, making it tougher to spot early attack stages.

Critical Healthcare Systems Aren't Quantum-Ready

A study of 2.5 million devices across 50 healthcare organization suggests the sector has a long way to go in getting ready for the post-quantum cryptography era.

Hackers exploit 32 zero-days on first day of Pwn2Own Ireland

On the first day of the Pwn2Own Ireland 2026 competition, security researchers hacked the Samsung Galaxy S26 twice and earned $388,500 after exploiting 32 zero-days…

Fake ChatGPT, Gemini, and Claude Ad Portals Capture Credentials and MFA Codes

Cybersecurity researchers have disclosed details of a "human-operated phishing platform" that impersonates advertising products for artificial intelligence (AI) chatbots like Google Gemini, Anthropic Claude, OpenAI ChatGPT, Perplexity, Meta Muse, and Manus. The products, which claim to offer campaign optimization, spend audits, and business-account connections, are designed with one goal in…

Linux Backdoors Impersonate Email Security Tools to Evade Detection in Korea and Taiwan

Linux backdoors targeting telecom and network appliances in South Korea and Taiwan have been disguising their traffic as email services and seemingly legitimate processes to blend in and evade detection. Threat actors are known to name their malicious software after a legitimate operating system component or a process as a defense evasion measure. By borrowing the name of a real binary, it may…

Google's PageBreak AI Agent Finds 500 Flaws in Its Web Apps

The situation illustrates a trend toward using AI and deterministic validation to identify flaws and exploitability, and provide a risk assessment.

Atlassian warns of critical file-access flaw in Jira, Confluence

Atlassian is warning customers of a critical vulnerability, tracked as CVE-2026-21589, that can be exploited for arbitrary file-access in multiple self-hosted Data Center products, including Confluence, Jira, and Bitbucket…

IANS' Kakolowski: How AI Is Reshaping CISO Budgets & Security Teams

In this video interview, Nick Kakolowski, senior director for CISO research at IANS, talks AI: budgets, ROI, and changes inside security teams.

'BigDiskBuster' Leaves Microsoft Defender Running While Blocking Updates

Not quite an EDR-killer, but the proof-of-concept cyber technique creates a silent virus detection gap while service runs normally, no exploit required.

ASOS confirms data breach after “HACKED” in-app notifications

UK fashion retailer ASOS confirmed a data breach Tuesday after hackers sent unauthorized push notifications through its mobile app while claiming to have stolen customer data from the company's Snowflake environment…

Fake ChatGPT, Gemini Sites steal advertising accounts, MFA codes

A new campaign targeting ad account managers uses fake ChatGPT, Gemini, Claude, and Perplexity sites that steal login credentials and multi-factor authentication (MFA) codes through browser-in-browser attacks…

How to secure RMM software: 8 controls MSPs should test

RMM platforms give MSPs privileged access across customer environments, making their security controls critical to limiting risk. Acronis outlines eight controls MSPs should test when evaluating RMM software, from patching and privileged access to recovery and tenant isolation…

LibreOffice and OpenOffice Flaws Let Malicious Spreadsheets Run Code Without Macro Warnings

A malicious spreadsheet can make LibreOffice and Apache OpenOffice run an attacker's code as soon as the file is opened, security researchers have shown. There is no warning first, of the kind either program shows before it runs a macro. The attack works only when the program's Java support is enabled. So far, it has only been shown as a proof of concept, and there are no reports of its use in…

Wikimedia: Rogue OpenAI agents behind unauthorized Wikipedia edits

The Wikimedia Foundation says rogue OpenAI agents made unauthorized Wikipedia edits and may have been partially responsible for a May outage…

Wikimedia Says OpenAI Agents Tried to Compromise Etherpad and Use Wiki Tools as Proxies

The Wikimedia Foundation, which hosts Wikipedia, has confirmed that it has discovered activity by rogue OpenAI agents on its platforms, including unsuccessful efforts to compromise Etherpad, a public note-taking tool, and edit Wikipedia pages. "The unauthorized bot activities included edits to our wikis, some unsuccessful attempts to exploit a public note-taking tool we host, and heavy traffic…

Welcome to the Jungle: What We Found Inside 15,465 Public MCP Servers

In 2024, MCP (Model Context Protocol) set out to become the USB-C of AI: one standard for connecting models, agents, and IDEs to tools and data. The protocol delivered. Thousands of developers built servers, and enterprises plugged them into agent workflows. The ecosystem around it fell short. Earlier this year, our team at OX Security, traced critical vulnerabilities in Anthropic's MCP…

Nikkei discloses breaches of employees’ Microsoft, Google email accounts

Over the weekend, Japanese publishing giant Nikkei disclosed that unknown attackers recently breached two employee email accounts and used one to send thousands of phishing emails…

Google Pauses OSS Product Bug Bounty Rewards After Surge in Invalid Automated Reports

Google has stopped accepting product vulnerability reports through its bug bounty program for its open-source software. The change, in effect since October 1, means researchers can no longer submit security flaws in the code of projects such as Go, Angular, and Protocol Buffers there for a reward. Reports about supply chain compromises are still accepted, and reports filed before October 1 are…

Engineer sentenced for locking over 3,000 devices on employer network

A former core infrastructure engineer at an industrial company headquartered in New Jersey was sentenced to 32 months in prison for locking thousands of devices on his employer's network in a ransomware-style attack…

Critical Atlassian Flaw Lets Unauthenticated Attackers Read Known Files Across 8 Products

A critical flaw in 8 Atlassian Data Center products, which customers host themselves, allows an attacker with no login access to read specific files in each product's web application root directory. The attacker must already know a file's exact name and path and cannot list what the directory holds. Atlassian disclosed the flaw, CVE-2026-21589, on October 5, rated it 9.3 out of 10, and…

FBI Removes Accenture Contractor After Patch Failure Led to ShinyHunters Breach

The U.S. Federal Bureau of Investigation (FBI) has removed an Accenture contractor for their alleged role in a ShinyHunters-breach that led to the theft of personal details of thousands of bureau employees. That's according to a report from Reuters, citing two sources familiar with the matter. "To date, our review has determined that the incident occurred as the result of a security failure ​…

Denmark Says Attackers Accessed CPR Data for 8.8 Million People via Company Account

Unauthorized parties have gained access to the names, addresses, and personal identification numbers of about 8.8 million people, living and dead, in Denmark's national population register, the country's digitalization ministry said on October 5. They used a private Danish company's lawful right to look up records in the Central Person Register (CPR). The ministry has told people never to…

ClickFix Smuggles Payloads Through Browser Cache to Bypass Windows Run Limits

OpenAI is adding invisible watermarks to ChatGPT and Codex text in the EU

OpenAI is preparing to add invisible watermarks to text generated by ChatGPT and Codex in the European Union…

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.

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.