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Suspected Chinese APT41 Hackers Use BlackX Bootkit to Bypass Windows Secure Boot

Suspected Chinese APT41 hackers have deployed BlackX, a UEFI bootkit, against diplomatic organizations in Tajikistan, Uzbekistan, and Turkmenistan. Researchers attribute the operation to APT41 with medium confidence. BlackX closely resembles BlackLotus, the bootkit advertised on underground forums for $5,000 in October 2022. ESET confirmed its capabilities in March 2023, demonstrating exploitation of Baton Drop, tracked…

11 Data Classification Tools: The 2026 Buyer’s Verdict Guide

Data classification is the keystone control everything downstream borrows: DLP policies, access reviews, retention rules, and now Copilot-era AI governance all inherit whatever labels exist or don’t. The 2026 field splits into estate-native labelers, discovery-engine classifiers, user-driven labeling veterans, and AI-semantic challengers. One roster note: our sheet listed Fortra twice (Titus and Boldon James both…

12 Tokenization Solutions: The 2026 Buyer’s Verdict Guide

Tokenization wins by subtraction: swap sensitive values for worthless tokens and whole systems exit breach-impact and audit scope at once. The 2026 market splits by what you’re subtracting PCI scope (payment-rooted vaults and P2PE), privacy risk (PII vaults with developer APIs), analytics exposure (format-preserving engines living in warehouses) and by architecture: vaulted versus vaultless, proxy…

12 Encryption & Key Management Solutions: The 2026 Buyer’s Verdict Guide

Key management is where encryption programs succeed or quietly rot: ciphers are commodities, but custody who holds keys, how they rotate, what survives an outage or a quantum decade is architecture. The 2026 field spans cloud-native KMS floors, enterprise custody platforms, secrets-engine standards, in-path protectors, and the HSM-rooted institutions, with post-quantum readiness newly promoted from…

12 Data Loss Prevention (DLP) Software: The 2026 Buyer’s Verdict Guide

DLP software earned its mixed reputation honestly a decade of false-positive floods taught teams to distrust the acronym and the 2026 field answers with distinct architectures: bundle-native floors, SSE-woven inline enforcement, endpoint-forensic depth, ML-first SaaS scanning, and renewal-lane veterans whose roadmaps deserve questions. This verdict guide reviews twelve options with the distinctions that decide outcomes:…

12 Malware Analysis Tools: The 2026 Buyer’s Verdict Guide

Malware analysis tooling spans a spectrum the acronyms hide: interactive sandboxes where analysts click alongside the malware, evasion-hardened hypervisor rigs for the samples that detect everything else, reputation oceans answering “has anyone seen this?”, binary-similarity engines, and the open standards (YARA above all) the whole field writes in. This verdict guide reviews twelve names across…

Critical Citrix NetScaler RCE Vulnerability Under Active Attack as Hackers Deliver FreeBSD Malware

Citrix NetScaler ADC and Gateway appliances are under active attack via CVE-2026-88771, a critical, unauthenticated remote code execution vulnerability that requires no optional features to be enabled. ThreatLabz observed attackers poisoning logs to trigger command execution, planting web shells and attempting to deploy a FreeBSD x64 implant. Citrix disclosed the vulnerability on September 27, 2026,…

Researchers Demonstrate Node2Shell RCE Exploit on Node.js Build Using Crafted Brotli Data

Malicious Brotli data can make an application on an official build of Node.js run attacker-supplied code, security researchers at Imperva have demonstrated. Their “Node2Shell” proof of concept ran code on the official Node.js 24.22.0 image for Linux arm64, with no debugger or custom build, by feeding crafted data to the bundled Brotli decoder (CVE-2026-111497). Node.js disclosed…

PHP2Shell Exploit Attempts Hit Millions as Attackers Try to Deploy Mirai Malware

Threat actors have been observed unsuccessfully attempting to exploit the newly disclosed PHP2Shell vulnerabilities to rope infected systems into a Mirai botnet variant called Potassium, as it emerges that weaponizing the flaws may be harder than previously thought. The attacks aim to exploit CVE-2026-109618 and CVE-2026-109619 (CVSS scores: 9.2), which can result in unauthenticated remote

North Korea Hit by Multiple Waves of DDoS Attacks, Knocking Over 40 Websites Offline

Multiple waves of DDoS attacks disrupted North Korea’s internet infrastructure this week, intermittently knocking over 40 official websites offline for about 32 hours. Network monitoring company Kentik linked the outages to synchronized surges of inbound traffic that began on October 20, 2026. Doug Madory, Kentik’s director of internet analysis, noted that aggregate traffic data showed…

Critical Oracle Java Flaw With CVSS 9.1 Allows Unauthenticated Remote Attacks

Oracle issued a security alert for CVE-2026-91403, a critical vulnerability affecting Oracle Java SE and GraalVM. Attackers can exploit this vulnerability remotely without authentication. The advisory, published on October 21, 2026, assigns the flaw a CVSS 3.1 score of 9.1 and advises distrusting impacted intermediate certificate authority certificates associated with eMudhra. The vulnerability specifically impacts…

INTERPOL Operation Serengeti III Nets 1,462 Arrests and Recovers $105 Million in Cybercrime Crackdown

INTERPOL’s Operation Serengeti III led to 1,462 arrests, disrupted 10,909 malicious networks and recovered $105 million across 21 countries. INTERPOL announced the results of Operation Serengeti III, a multinational cybercrime crackdown that led to 1,462 arrests, disrupted 10,909 malicious networks and recovered more than $105 million in illicit funds. The operation brought together law enforcement…

Google opens its cloud to rival OpenAI, promises business data won’t train models

Google Cloud is adding OpenAI models to its platform, initially through a private preview for selected business customers. The launch includes GPT-6 Astra, GPT-6.1 Sol and GPT-6 Luna. Google positions them as options for demanding work, lower-cost professional tasks and everyday use that requires fast responses. More choice, one bill Businesses will purchase access through…

Critical Unpatched Linux Kernel Vulnerabilities Accidentally Disclosed, Including Two Remote Code Execution Flaws

In October, several unpatched Linux vulnerabilities were disclosed on public mailing lists, revealing technical details before fixes were widely available. These disclosures included two critical flaws in KSMBD that could let remote attackers execute code, along with reports of privilege escalation and information disclosure. Trend Micro’s Zero Day Initiative (ZDI) submitted the reports, prompting Linux…

Hacker Turned DeepSeek Into an AI Cybercrime Assistant to Attack Universities and Steal Data

A threat actor using the handle BUGSTER configured DeepSeek V4 as the reasoning engine for an AI-assisted cybercrime operation that targeted organizations in India, including universities. Unit 42, Palo Alto Networks’ threat-intelligence team, says the actor used AI-generated reconnaissance and scripts to brute-force a university website and successfully stole a database containing more than 5,200…

AI is taking cybersecurity jobs at junior and experienced levels alike

Organizations are cutting cybersecurity roles as they adopt AI, even while reporting shortages of the expertise needed to manage threats, according to Barracuda’s Cybersecurity Skills Gap Report. 56% have experienced professional workforce reductions linked to AI, evenly divided between entry-level and higher-level roles. The post AI is taking cybersecurity jobs at junior and experienced levels…

PHP2Shell exposes the weakness in coordinated vulnerability disclosure

Two critical vulnerabilities discovered in the widely-used PHP programming language have shaken up enterprises, and the ramifications will take some time to truly understand. But one of the lesser-known stories centers around disclosure. According to The PHP Foundation, several organizations had agreed to a coordinated release detailing the critical flaws and mitigation actions, but cybersecurity…

The adversary economy: How threat actors are reacting to PHP2Shell

Two critical PHP vulnerabilities sent criminal forum operators scrambling to protect their own infrastructure, revealing that threat actors face the same exposure management challenges as the organizations they target. Key takeaways The adversary economy operates on the same fundamental principles as the legitimate economy.  Forum self-evacuations: Criminal forums including BreachForums initiated emergency infrastructure migrations, taking…

PHP2Shell Vulnerability Analysis Report

PHP2Shell vulnerabilities CVE-2026-109618 and CVE-2026-109619 represent critical remote code execution risks within PHP session handling. Attackers manipulate HTTP sessions to bypass authentication and gain unauthorized server access. These flaws impact numerous PHP versions, content management systems, and third-party frameworks. Remediation requires upgrading to patched PHP releases, hardening session configurations, and implementing web application firewall protections.…

Microsoft Links ConnectWise Breach to China-Linked Group Using AI Pentesting Tool ARTEX

China-linked Storm-0940 used AI tool ARTEX to target 2,250 Microsoft 365 tenants, exploiting stolen ConnectWise credentials at machine speed. Microsoft published a detailed technical report naming Storm-0940, a China state-aligned group, as the actor behind the ConnectWise Cloud Backup supply chain compromise. The group used ARTEX, an open-source AI-driven penetration testing framework, to run attacks…

GitLab critical patches include one for a bug that allows code execution by unauthenticated users

GitLab on Wednesday published updated versions of its Community Edition (CE) and Enterprise Edition (EE) that address a dozen bugs and security issues, including some that allow various unauthenticated actions.  The most serious of the security issues, labeled critical in severity, is CVE-2026-110264, an integer overflow issue. “GitLab has remediated an issue that, under certain…

SentinelOne Expands PartnerOne with AI Security Services

SentinelOne is expanding its PartnerOne program with new AI security and Autonomous SOC certifications, giving MSPs and resellers additional opportunities to build implementation, consulting, and managed security services around its Singularity Platform. The AI security company also announced an expansion of its partnership with Lenovo, bringing SentinelOne’s AI security to Lenovo’s ThinkShield security portfolio. SentinelOne…

eMudhra to Exit Global SSL/TLS Business After 8 Intermediate CA Keys Found Easily Guessable

eMudhra, an Indian certificate authority (CA), will withdraw from its global SSL/TLS certificate business, its board decided on Thursday. The decision came five days after a researcher reported recovering the private keys of eight of its intermediate CA certificates. eMudhra said it will replace affected customers’ certificates with free ones from partners, though its

Agentic Remediation in DSPM Market: 2026 Comprehensive Report

Data Security Posture Management has become an enterprise standard driven by cloud growth, SaaS proliferation, and AI adoption. Organizations increasingly rely on agentic remediation, which uses artificial intelligence to prioritize and execute automated security fixes, significantly improving response times across complex data environments. Established market leaders and emerging innovators are integrating automated actions, such as…

I had plans for that second

Welcome to this week’s edition of the Threat Source newsletter.  Here for the latest on the PHP vulnerabilities? Head on down to ‘The One Big Thing’. Talos has published a blog to explain what we know so far, and details the Snort coverage available, including rules in the Community Ruleset.  But if you want a…

Nvidia Highlights European Hyperion Projects for Autonomous Vehicles

Autonomous vehicle programs need specialists to integrate computing, software and safety testing. Nvidia’s latest European announcement highlights potential work for technology providers with automotive expertise.  On Oct. 21, Nvidia said European automakers and mobility providers, including Bolt with Lucid, Mercedes-Benz, Volkswagen Commercial Vehicles and Einride, were showcasing Hyperion use cases for potential Level 3 and…

Exclusive: bipartisan bill would develop federal guidance for distillation attacks, convene industry on defensive cyber

A new bipartisan House bill would charge the federal government with developing formal guidance for defending AI models against distillation attacks. The AI Cyber Defense Act, shared exclusively with CyberScoop ahead of release, is sponsored by Reps. Pat Harrigan, R-N.C., and George Whitesides, D-Calif. It would direct the National Institute for Standards and Technology to…

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Two CVSS 9.0 Linux KSMBD RCE Flaws Disclosed on Public Mailing Lists Before Kernel Fixes

Linux servers running KSMBD, the kernel’s built-in SMB server, are exposed to two publicly reported remote code execution flaws rated 9.0 by Trend Micro’s Zero Day Initiative, with no fix yet in the mainline kernel. One of them, ZDI-CAN-33774, can be triggered before any network authentication. The other, ZDI-CAN-33549, requires the SMB Direct transport and an…

Gcore Makes Enterprise Security Bundle Free for Public Agencies Until End of the Year

Contern, Luxembourg, October 22nd, 2026, CyberNewswire Gcore is offering its WAAP Enterprise plan free of charge to any government body or public agency until December 31, 2026. The offer follows the php2shell vulnerabilities that forced public websites offline across Europe earlier this week. Gcore WAAP blocks the php2shell attack path (CVE-2026-109618 and CVE-2026-109619) by default…

Microsoft Adds Sovereign Cloud Controls for European Customers

European customers are getting more options to oversee access to their Microsoft cloud systems and keep critical workloads under local control. Microsoft announced Sovereign Cloud updates on Oct. 20 covering access oversight, encryption keys, and disconnected operations. For MSPs and systems integrators serving regulated customers, the changes create potential work in configuring controls, documenting responsibilities,…

eMudhra kills its certificate business after researchers cracked its private keys in under a second

Indian certificate authority eMudhra said Thursday it will stop issuing SSL/TLS certificates days after researchers showed that the private keys securing eight of its certificates were so weak they could be reconstructed in under a second. The announcement closes an incident where major browsers blocked the certificates and  Indian authorities launched an investigation.   The company…

PHP2Shell Attacks Started Four Days Before Public Disclosure, AWS Reports

AWS detected PHP2Shell exploit attempts four days before disclosure, highlighting the risk of attackers exploiting critical flaws before patches arrive. Attackers attempted to exploit two critical PHP vulnerabilities four days before the flaws became public, according to Amazon Threat Intelligence. “Amazon Threat Intelligence identified a PHP2Shell exploitation attempt dating to Oct. 17, 2026, in MadPot…

News alert: Gcore extends free web protection to government agencies after widespread PHP exploits

CONTERN, Luxembourg, Oct. 22, 2026, CyberNewswire — Gcore is offering its WAAP Enterprise plan free of charge to any government body or public agency until December 31, 2026. The offer follows the php2shell vulnerabilities that forced public websites offline across Europe earlier this week. Gcore WAAP blocks the php2shell attack path (CVE-2026-109618 and CVE-2026-109619) by…