Geek Guy

Dutch Police Arrest ‘Reformed’ Hacker in Shiny Hunters Investigation

Authorities in the Netherlands have arrested a 23-year-old convicted cybercriminal on suspicion of aiding in data thefts and extortions by the prolific hacker group ShinyHunters. In the days immediately following the suspect’s arrest, remaining ShinyHunters members dramatically escalated their attacks, stealing highly sensitive data from the FBI and extorting the Russian ransomware group Cl0p. According…

CVE-2026-88771 and CVE-2026-88772: Critical Citrix NetScaler Zero-Days Exploited in the Wild

Citrix has released emergency security updates for two critical zero-day vulnerabilities affecting NetScaler ADC and NetScaler Gateway after confirming that attackers are already exploiting both flaws in real-world attacks. Tracked as CVE-2026-88771 and CVE-2026-88772, the vulnerabilities each carry a CVSS v4.0 score of 9.5 and can enable unauthenticated remote code execution on vulnerable appliances. The…

ShinyHunters trades financial extortion for a reckless war of ego with the FBI

Threat hunters and researchers are alarmed by what they’ve seen in data ShinyHunters claims it stole from the FBI. Limited samples of the stolen data contain FBI agents’ personal contact information, details on family members, office and duty assignments and, in some cases, information on agency personnel specialties, multiple sources said. “I am gravely concerned…

2026 Cybersecurity Breaches Report

Date: September 28, 2026Coverage Period: January – September 2026 (with historical context through 2023–2025)Sources: IBM Cost of a Data Breach Report 2026, Verizon DBIR 2026, CISA, FBI IC3, Google Threat Intelligence Group Executive Summary The cybersecurity landscape in 2026 has been defined by three converging forces: The global average cost of a data breach reached…

Autonomous agents attack Azure using compromised identities and destroying resources

Jadepuffer, an autonomous AI attacker first identified in July, has expanded into Azure environments, using compromised digital identities to enumerate resources, delete cloud assets and collect other credentials, according to Microsoft. The activity includes “extensive Azure-focused resource destruction activity using compromised service principals and cloud credential collection that could be used to facilitate future exfiltration,”…

Multiple Vulnerabilities in NetScaler ADC and NetScaler Gateway Could Allow for Remote Code Execution

Multiple vulnerabilities have been discovered in NetScaler ADC and NetScaler Gateway, the most severe of which could allow for remote code execution. NetScaler ADC is a networking product that functions as an Application Delivery Controller (ADC), optimizing, securing, and ensuring reliable availability of applications for businesses. NetScaler Gateway is a secure remote access solution that…

Nearly 400,000 Medicaid Beneficiaries Caught in Medicaid and DC Healthcare Alliance Data Exposure

Nearly 400,000 DC Medicaid and Healthcare Alliance beneficiaries may have had personal data exposed through reports published on a public website. The District of Columbia Department of Health Care Finance is notifying nearly 400,000 Medicaid and DC Healthcare Alliance beneficiaries that their personal information may have been exposed. The incident affects people who enrolled between…

⚡ 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…

FBI job portals remain offline after ShinyHunters claims breach via PeopleSoft zero-day

The FBI’s online portals for job applicants (at apply.fbijobs.gov) and special agent applicants (at fbijobs.gov/special-agents) are still unavailable, following what appears to be successful compromises by the ShinyHunters cyber extortion group. Last week, the United States’ domestic intelligence and security service confirmed it was investigating ShinyHunters’ claim of having compromised personal information of FBI employees.…

28th September – Threat Intelligence Report

For the latest discoveries in cyber research for the week of 28th September, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES The FBI has confirmed unauthorized activity affecting FBIjobs.gov after the ShinyHunters group defaced the website. The group claimed to have stolen employee and applicant information and shared samples of purported FBI personnel…

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

Storm-3168, Linked to JADEPUFFER, Abused Stolen Azure Identities

Microsoft details Storm-3168, the JADEPUFFER-linked actor that used stolen service principals to delete Azure storage in minutes and harvest keys. Microsoft just published the first detailed look at what JADEPUFFER does inside Azure. Sysdig first spotted the group’s activity in July 2026 and called it the first documented agentic ransomware operation. Microsoft tracks the same…

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Citrix NetScaler RCE zero-days exploited globally for weeks (CVE-2026-88771, CVE-2026-88772)

Citrix has patched eight critical and high-severity vulnerabilities in NetScaler ADC and NetScaler Gateway, two of which (CVE-2026-88771, CVE-2026-88772) have been exploited in zero-day attacks to plant webshells on compromised devices. Rumors about their existence and active exploitation popped up on Reddit on Friday, fueled by warnings from IT suppliers, who apparently got the information…

Siemba Pride Targets MSSPs, Integrators and ISVs

Siemba has launched Siemba Pride, a global partner program for MSSPs, resellers, systems integrators and technology partners, giving participants access to deal registration, tiered margins, co-sell support and technical enablement around its continuous offensive security platform. Siemba Pride targets three types of channel partners The program separates partners into three groups based on how they…

Promevo Reaches Google Workspace Diamond Tier Amid AI Push

Promevo has reached the Diamond Tier in Google Workspace’s Co-Sell & Services Partner Path, the program’s highest level of recognition, giving the company expanded access to Google funding, engineering resources, and product teams as it grows its Gemini Enterprise, cloud migration, and data modernization services. Google Diamond status expands Promevo’s technical access Speaking with Channel…

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…

U.S. CISA adds Citrix NetScaler flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Citrix NetScaler flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the following vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog: CVE-2026-88771 (CVSS score: 9.5) Citrix NetScaler Improper Input Validation Vulnerability CVE-2026-88772 (CVSS score: 9.5) Citrix NetScaler Improper Restriction of Operations within…

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

Quantum random numbers can pass the tests and still leak clues to attackers

The European Telecommunications Standards Institute’s (ETSI) technical report, ETSI TR 104 171, offers guidance on building and evaluating quantum random number generators (QRNGs). It focuses on weaknesses in the devices and their supporting systems that could make the numbers they produce less secure. Components of a QRNG (Source: ETSI) A QRNG measures a quantum process…

Public Data Collection for Financial Analysis: A Complete Guide to Ethical, Scalable Market Intelligence

In this post, I will discuss public data collection for financial analysis and provide a complete guide to ethical, scalable market intelligence. Public data collection has become an essential part of modern financial analysis. Investors, analysts, fintech companies, hedge funds, and researchers increasingly rely on publicly available information to identify market trends, monitor competitors, assess…

Citrix Confirmed Two New NetScaler Flaws Exploited as Zero-Day

Citrix confirmed two critical NetScaler zero-days were exploited before patches were available, with attackers able to remotely execute code. Citrix confirmed that two critical zero-day vulnerabilities in NetScaler ADC and NetScaler Gateway were exploited before the company released patches. The flaws allow remote code execution, meaning attackers can potentially take control of affected appliances. The…

SECURITY AFFAIRS AI-CYBERSECURITY NEWSLETTER ROUND 1

Security Affairs AI-CYBERSECURITY newsletter includes a collection of the best articles and research on AI in the international landscape Artificial intelligence is rapidly changing cybersecurity, reshaping both the techniques used by attackers and the tools available to defenders. AI agents can automate tasks, analyze large amounts of data, discover vulnerabilities and accelerate offensive operations. At…

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 116

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Threat Intel | One Kit, Forty Companies: How a Malware-as-a-Service Platform Used GitHub as a Distribution Network for its Campaign   Group Policy hijacked: PAYLOAD ransomware weaponizes Active Directory GPO   ChainScript: Tracing a Node.js RAT…

Security Affairs newsletter Round 597 by Pierluigi Paganini – INTERNATIONAL EDITION

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including international press. OpenAI Agents Accessed US Government Websites Without Authorization Exploit.in Database Reveals the Roots of Today’s Ransomware Ecosystem…

Frequently asked questions about reported Citrix NetScaler zero-day vulnerabilities

There are reportedly two unpatched zero-day Citrix NetScaler vulnerabilities capable of enabling remote code execution that have been actively exploited in the wild, with no patches available at this time. Key takeaways Reports indicate that there are two critical zero-day vulnerabilities in Citrix NetScaler. The reports originate from a pre-notification sent out ahead of public…