SentryDigest

Police seize Virtualine bulletproof service tied to ransowmare, cybercrime

U.S. law enforcement has seized the primary domain of Virtualine, a bulletproof hosting service advertised on cybercrime forums for facilitating illegal activities…

Discord to let search engines index public server messages

Discord will allow search engines to index discussions in Discoverable Servers and make them accessible on the web to users outside the platform without an account or invitation…

Volt Typhoon Used Covert Silent Train Network in Four Zero-Day Exploitation Campaigns

The China-nexus cyber espionage group known as Volt Typhoon has been attributed to a now-disrupted covert access network dubbed Silent Train that has been put to use for zero-day exploitation and strategic access. "First identified in late 2023, Silent Train uses rotating chains of compromised SOHO, IoT, and enterprise infrastructure," Lumen Technologies Black Lotus Labs said in a report shared…

Google to Allow One-Tap Android App Installs From Approved Third-Party Stores Outside U.S.

Third-party Android app stores can now apply to Google for permission to install apps with one tap, without Android's usual confirmation screens, and to update them in the background. To qualify, a store must pass identity checks and send Google its full catalog, along with every new app and update, for ongoing malware scanning. Approved stores get the features from December 1, but only on…

Sony ISP subsidiary data breach exposes 2.5 million customer records

Sony Network Communications has confirmed a data breach that compromised approximately 2.5 million records containing current and former customers' personal information…

Researcher Reveals How Logic Bugs Alone Cracked Microsoft Edge in $175,000 Pwn2Own Win

A chain of logic flaws, with no memory corruption, can turn a malicious web page into code running on a Windows computer outside Microsoft Edge's sandbox, a security researcher has shown. Orange Tsai of DEVCORE published the full method on October 28, five months after the chain won $175,000 at the Pwn2Own Berlin contest in May. Microsoft fixed the Edge bugs the day after the contest…

PHP2Shell Attack Roots 25 Servers, Breaches U.S. Government-Affiliated Network

Cybersecurity researchers have disclosed details of what appears to be an artificial intelligence (AI)-assisted attack orchestrated by a suspected China-nexus threat actor that has leveraged the PHP2Shell vulnerabilities to breach exposed systems. The activity, which was observed on October 25, 2026, involved an attacker combining PHP2Shell with a kernel privilege escalation exploit to root…

Volt Typhoon hides zero-day attacks using 'Silent Train' framework

Chinese state-sponsored hacking group Volt Typhoon has been using a framework that relies on rotating chains of connected devices compromised on demand, including for zero-day attacks targeting high-value systems…

Microsoft urges Entra ID admins to migrate users to passkeys

Microsoft again asked Entra ID administrators to migrate users to phishing-resistant methods to avoid sign-in disruptions before it retires SMS and voice authentication in February 2027…

Attacker Relentlessly Scans for Credentials by Impersonating AI Bots

The threat actor lurked behind bots posing as agents from OpenAI, Anthropic, Meta, and others to find exposed data.

InfraTrust report warns of exploited flaws in critical network infrastructure

Attackers are actively exploiting vulnerabilities across critical network infrastructure, and PHP flaws known as "PHP2Shell" put the web management interfaces of firewalls, VPNs, application delivery controllers, and other appliances at risk…

Even after PHP2Shell, blast radius matters more than a CVSS score

PHP2Shell shows how quickly attackers can exploit critical vulnerabilities, often before organizations have time to patch. Token Security explains why limiting the access of service accounts, API keys, and AI agents is just as important as fixing vulnerabilities to reduce the damage from a breach…

Hackers Target Critical Oracle E-Business Suite RCE Flaw Days After Security Patch

Threat actors are beginning to probe for a newly patched critical vulnerability in Oracle E-Business Suite (EBS), according to threat intelligence firm Defused Cyber. The vulnerability in question is CVE-2026-101767 (CVSS score: 9.8) , a case of improper authentication in the Oracle Application Object Library of Oracle E-Business Suite. It was patched by Oracle last week as part of its Critical…

Hackers now scanning systems for recently-patched Oracle flaw

Attackers have begun probing the Internet for systems unpatched against a recently disclosed critical Oracle E-Business Suite (EBS) vulnerability…

Critical 16-Year-Old UEFI Flaw Can Run Code Before Secure Boot on Network-Booting Servers

A critical 16-year-old flaw in EDK II, the open-source code that most hardware makers use to build UEFI firmware, can allow an attacker to run code on a machine before its operating system loads, but only while the machine is booting over the network. UEFI firmware is the software that runs first when a computer is switched on, before the operating system. An attacker who can reach the machine…

Wazuh and AI for Enhanced SOC Workflows

Artificial Intelligence (AI) has become one of this decade's defining technologies. From healthcare and finance to manufacturing and education, organizations increasingly rely on AI to automate repetitive tasks, uncover patterns hidden within large datasets, and support faster decision-making. Cybersecurity has experienced a similar transformation. While attackers employ AI to automate…

Adobe Fixes 8 Critical Campaign Classic Flaws Allowing Code Execution and Security Bypass

CISA warns of hackers now exploiting critical Node2Shell flaw

On Tuesday, the US Cybersecurity and Infrastructure Security Agency (CISA) confirmed that hackers have begun exploiting a critical Brotli vulnerability known as Node2Shell, Broccoli2Shell, and HTTP2Shell…

American Organizations Under Attack: Skyw4lker Device Code Phishing Campaign Exposed

Modern phishing campaigns can compromise American businesses without relying on traditional credential theft. Attackers can abuse legitimate cloud services, authentication mechanisms, and trusted business workflows to gain access to corporate accounts while leaving fewer obvious signs behind. ANY.RUN's analysis of Skyw4lker, a device code phishing campaign primarily targeting U.S. organizations…

Nefilim and Hive ransomware affiliate gets 70 months in prison

A Ukrainian national was sentenced to 70 months in prison for his role in ransomware attacks targeting hospitals, government entities, and high-revenue businesses worldwide between 2018 and 2021…

Anthropic's Unreleased AI Model Chains Flaws Into Working Chrome, Safari, Windows and Linux Exploits

An unreleased Anthropic AI model found security flaws in Chrome, Safari, Android, Windows, and Linux and chained them into working proof-of-concept exploits, the company said in its latest report. The exploits were built in the lab after the model was prompted, not seen in any real attack, and Anthropic reported every flaw to the vendor first, so all of them are already patched. One proof of…

FBI Seizes Virtualine Domain Over Alleged Criminal Hosting and Bitcoin Money Laundering

The U.S. Department of Justice (DoJ) on Tuesday announced the seizure of a domain associated with a bulletproof hosting provider (BPH) named Virtualine. The move was in response to the service being used to commit and facilitate prolific criminal activity, including "the advertisement of sexually explicit images of minors, the intentional disclosure of nonconsensual intimate visual depictions…

Japan's GMO Offers $1 Million Bounty to Catch Hackers Behind FX Trading Cloud Breach

Japan's GMO Internet Group is offering up to $1 million in total for tips that help catch the attackers who breached its Onamae.com Desktop Cloud service, after refusing to pay an extortion demand. The reward program opened on October 28 and pays only if a tip helps lead to an arrest or an international wanted notice. The service hosts Windows desktops used for FX trading…

Tailscale Patches SSH Flaws That Could Let Hacked Devices Gain Root Access on Other Servers

Tailscale has released version 1.104.4 to fix flaws in its built-in SSH server that could let an attacker reach services and files on other servers that only the root user should be able to touch. The flaws are in how Tailscale SSH forwards network connections, a job the Tailscale background process carries out with root privileges. To use them, an attacker must…

ShinyHunters-Exploited Oracle PeopleSoft Zero-Day Turns Out to Be Three Chained Flaws

The critical Oracle PeopleSoft bug that ShinyHunters has exploited since May is not one flaw but three chained together, the researchers who reported it said this week. Oracle patched all three under a single identifier, CVE-2026-35273, in June. Its root is a server-side request forgery (SSRF) that reaches an internal management interface because PeopleSoft trusts its own loopback address…

Third Serengeti Sweep Tops 1,400 Arrests as Investigations Mature

Interpol's annual Operation Serengeti, now in its third iteration, led to 1,462 arrests across 20 African countries and the US, recovering $105 million in stolen funds.

Adobe Commerce PolyShell Attacks Breach Hundreds of Stores as Brotli Exploit Traffic Emerges

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added two vulnerabilities impacting Adobe Commerce and Magento, and Google's Brotli decoder library to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerabilities are listed below - CVE-2026-111497 (CVSS score: 9.2) - An unchecked return value vulnerability in…

Japan's GMO urges customers to shut down PCs amid ransomware threat

The GMO Group has urged customers to disconnect their systems from the internet and shut down computers after a threat actor who breached the company's Onamae Desktop Cloud threatened to launch a ransomware attack today…

OpenAI's GPT-6.1 Terra is safer overall, but shows more destructive-action flags in tests

OpenAI confirmed GPT-6.1 Terra is safer overall than some of its older models, but its safety testing also found other problems…

UNM Health ransomware attack disrupts patient care, surgeries

The University of New Mexico Health Sciences Center disclosed a cyberattack that caused system outages and disrupted patient care and academic activities…

3 Frameworks to Protect CISOs & Orgs Against AI Liability

Cyber leaders can get ahead of AI liability with rigorous documentation, transparency, and smart contract negotiations with AI vendors.

Hackers hijack Convertr analytics script to steal payment card data

A credit card skimming group reportedly compromised a shared analytics script used by e-commerce platform Convertr to steal shoppers' payment data during checkout…

External Teams Chats Anchor 15-Minute Malware Delivery

Mail bombing is getting a new look with a wide-scale, ongoing social engineering campaign that might be tied to the Black Basta ransomware gang.

SBOMs Alone Can't Reveal the Scope of a Supply Chain Attack

A recent Shai-Hulud attack shows defenders need real-time visibility into production code and affected services to respond to supply chain compromises.

CyberStrikeAI Uses 44 AI Agents to Automate Hacking Operations Against Japan Targets

Cybersecurity researchers have disclosed details of three cyber attacks targeting organizations in Japan in which artificial intelligence (AI) was a key element, either in the driving seat or to assist a human operator. TrendAI, which analyzed three exposed server environments used by threat actors to conduct the malicious cyber operations, described them as distinct from previously published…

Microsoft releases Windows OOB updates to distrust eMudhra certificates

Microsoft has released out-of-band (OOB) Windows updates to remove trust in certificates tied to compromised eMudhra certificate authority keys, protecting systems that do not receive automatic certificate trust updates…

Beware the Slasher: AI Could Kill Off Cybersecurity Pros' Skills

Nathan Hamiel outlines potential SecOps horror in the AI midst, as core technical capabilities go the way of reading an atlas or remembering phone numbers.

'Aokigahara' Stealer Targets 'Developer Keyrings' & AI Assistants

Warp discloses breach exposing AI agent logs, user telemetry data

Agent decision logs and telemetry data belonging to Warp agentic development environment users were exposed in an attack on a third-party vendor in the project's infrastructure…

Tailscale warns of SSH flaws allowing root privilege escalation

The Tailscale security team is working to patch almost a dozen security vulnerabilities that could be exploited to steal credentials, crash servers, gain root privileges, and more…

The Huntress Tragic Quadrant: Ranking Threats Hitting Businesses Hardest

Attackers are increasingly abusing legitimate IT tools, Microsoft 365 sessions, and everyday workflows to compromise businesses without triggering traditional defenses. Huntress Labs ranks the threats hitting organizations hardest, highlighting which attack techniques deserve immediate attention and which remain emerging risks…

GoAhead TLS Flaws Allow Revoked Client Certificates and Enable Session Decryption

The GoAhead embedded web server loaded a certificate revocation list into its default TLS backend but never turned revocation checking on, so a revoked client certificate could still pass login on affected setups. The flaw is in builds that use the OpenSSL backend with mutual-TLS, where the server checks a client certificate and vice versa, and a revocation list is configured to block revoked…

Apple Backports Fix for Exploited CoreGraphics Flaw to Older iPhones and iPads

Apple on Monday backported fixes for a high-severity security flaw that was exploited in real-world cyber attacks to older devices. The vulnerability, tracked as CVE-2026-86950 (CVSS score: 8.8), is an out-of-bounds write affecting CoreGraphics that could result in arbitrary code execution when processing a maliciously crafted file. Patches for the flaw were released last month by Apple in…

Microsoft Authenticator Flaw Let Permissionless Android Apps Steal Work Account Tokens

Microsoft has fixed a flaw in its Authenticator app for Android that let a malicious app with no permissions pose as a trusted Microsoft app, such as Teams, and collect sign-in tokens for a victim's work account. Microsoft tracks the flaw as CVE-2026-80097 and fixed it in Authenticator for Android version 6.2606.4246, so anyone using the app should update. In the researchers' tests…

Keystone to Destroy 18,835 Hardware Wallets After Hackers Steal Device Verification Key

An attacker who gained access to Keystone's website obtained the key that its hardware wallets use to prove they are genuine, the company said in a statement on October 26. Someone with that key could build counterfeit devices that pass the online check owners use to verify a Keystone. A buyer who trusted a counterfeit could have their crypto stolen, but the incident did not involve…

AI-Generated Fake Login Pages Are Making Account Takeovers Easier

Fake login pages are nothing new, but generative AI is making them easier to build and more convincing. Attackers can recreate familiar login screens, impersonate trusted brands and tailor phishing attempts to specific employees or organizations. Some fake login pages go beyond stealing passwords. They can also capture MFA codes or hijack authenticated sessions, allowing attackers to gain…

Lazarus Abuses South Korean Security Software to Deploy Malware Using Post-Quantum Encryption

The North Korea-linked Lazarus Group has been attributed to a cyber espionage campaign dubbed Operation FlashHole targeting at least three organizations in South Korea spanning the construction, software, and wire-communication equipment manufacturing sectors. According to Russian cybersecurity company Kaspersky, the campaign has been active since at least July 2025. It's assessed to pick up…

Apple backports CoreGraphics zero-day patches to older iPhones

​Apple has backported security patches released last month to older iPhones and iPads, addressing a zero-day bug exploited in "extremely sophisticated" targeted attacks on iOS devices…

Australia Gets Into Amadey Malware Backend, Cuts Off Access to 180,000 Infected Computers

A criminal using the Amadey malware can no longer access or steal data from 180,000 infected computers around the world, including some in Australia, the Australian Signals Directorate (ASD) says. The agency's operators gained access to the criminal's operation's backend and cut it off from those computers. "The next steps that we took were to disconnect that Amadey controller from all those…

Energy giant ENGIE discloses data breach affecting customers

French energy giant ENGIE, one of the world's largest power and natural gas providers, confirmed that attackers stole customer data after breaching a marketing platform used by business partners…

OpenAI Compaction Flaw Let Researchers Bypass Hidden Reasoning Protections

OpenAI's compaction feature, which shrinks a long conversation to save space, could be turned into a way to copy a model's hidden reasoning out in plain text, security firm Xint has shown. OpenAI's reasoning models work through a problem before answering, and the service normally returns only the raw reasoning as an encrypted item the user cannot read. The method got past…

CISA confirms PHP2Shell vulnerabilities now exploited in attacks

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added the PHP2Shell vulnerabilities to its catalog of actively exploited security flaws and ordered federal agencies to patch their systems by Thursday…

Attackers Hijack Dahua IP Cameras in Ukraine Using P2P Access and Auth Weaknesses

The Computer Emergency Response Team of Ukraine (CERT-UA) has issued an alert warning of unauthorized remote access to video surveillance systems manufactured by Dahua. "Cases of compromising IP cameras and DVRs with access to the video stream, changing the device configuration and creating third-party accounts have been recorded," the State Special Communications Service of Ukraine (SSSCIP)…

CISA Confirms Active Exploitation of Two PHP2Shell Flaws Enabling Remote Code Execution

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday confirmed active exploitation of the recently patched PHP2Shell flaws by adding them to its Known Exploited Vulnerabilities (KEV) catalog. The PHP vulnerabilities, both rated 9.2 on the CVSS scoring system, facilitate unauthenticated remote code execution on affected deployments - CVE-2026-109618 - An out-of-memory…

So Many AI Security Benchmarks, But None Tell the Whole Story

Measuring AI model security gets complex, fast, thanks to a growing patchwork of benchmarks targeting different variables in the equation. But none replace testing against your own code and workflows.

University of Copenhagen data breach exposes data of 525,000 people

The University of Copenhagen in Denmark confirmed that hackers accessed one of its test environments containing personal data belonging to 525,000 people…

Risks & Rewards: How AI Is Redefining the CISO's Role

Nvidia security executive Mark Weatherford says CISOs must help business leaders weigh AI's pros and cons, and ensure those deploying it own the risks.