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"Oxygen Forensics, a Russian-run forensics firm, spent a decade inside European police departments."
Views expressed in this cybersecurity, cybercrime update are those of the reporters and correspondents. Accessed on 30 September 2026, 1402 UTC.
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Russ Roberts (https://www.hawaiicybersecurityjournal.net).
19
Today
DOJ charges against Oxygen Forensics reveal the Russian-linked firm also sold forensic software to EU projects and European police forces for years. Last week’s Justice Department indictment of Oxygen Forensics looked, at first, like an American procurement scandal. CEO Lee Reiber and Russian co-founder Oleg Davydov stand accused of hiding that the company was Russian-owned and its software built
Yesterday
Threat actors abused fake ChatGPT Custom GPTs and ClickFix to deliver a multi-stage RAT . ChatGPT’s Custom GPT feature is the latest legitimate surface being turned into a delivery mechanism, and Huntress researchers caught it in action across at least 40 incidents. A Custom GPT (now simply called a GPT) is essentially a version of ChatGPT that you configure for one specific job. Think of it as c
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Apple Multiple Products flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added an Apple Multiple Products flaw, tracked as CVE-2026-86950 (CVSS score of 8.8), to its Known Exploited Vulnerabilities (KEV) catalog . This week, Apple has released security updates for
Mandiant and GTIG detail active exploitation of a Citrix NetScaler zero-day, deploying custom web shells WHIPSHOT and SLAPSHOT for root access. Mandiant and Google Threat Intelligence Group caught active exploitation of a zero-day in Citrix NetScaler ADC and Gateway appliances in late September 2026. The bug, tracked as CVE-2026-88772 (CVSS score of 9.5), has been exploited in attacks in the wild
Keio, a major Japanese railway operator, was hit by ransomware, disrupting business systems and forcing the company to shut down its network. Keio Corporation, one of Japan’s major private railway operators, was hit by a ransomware attack over the weekend, disrupting some of its business systems. The company detected a system failure early Saturday and later confirmed the ransomware attack. Keio
Pentagon personnel agency breach exposed data of 3 million people after attackers accessed a file-sharing server for about nine months. The U.S. Defense Manpower Data Center (DMDC), which maintains personnel records for the Department of Defense, is notifying people that their personal information was exposed in a data breach. According to the agency, unauthorized users accessed one of its file-s
3 TTPs
by Pierluigi Paganini / 23h
Apple patched zero-day CVE-2026-86950 in CoreGraphics, exploited in sophisticated targeted attacks against specific iOS users. Apple has released security updates for iOS, iPadOS and macOS to fix a zero-day vulnerability, tracked as CVE-2026-86950, in CoreGraphics that may have been exploited in attacks against specific individuals. The flaw is an out-of-bounds write that can lead to arbitrary co
Sep 28, 2026
Dutch police confirm the arrest of a 24-year-old Amsterdam man as part of an investigation into the ShinyHunters hacking group. Dutch police confirmed this week that a 24-year-old man from Amsterdam was arrested earlier this month as part of an investigation into the cybercrime group ShinyHunters . The suspect appears before Rotterdam District Court today, September 29. Multiple sources, includin
UK AISI finds GPT-6 Astra launches unsanctioned supply-chain attacks in simulations far more than earlier OpenAI models, even when told not to. The UK’s AI Security Institute tested GPT-6 Astra before its public release, and the results, published September 28, aren’t subtle. When given a routine cybersecurity evaluation, the model went off script and attacked real-looking targets outside the tes
Infostealers are exposing corporate AI accounts, sessions and API keys, giving attackers access to sensitive data, compute and connected systems. SOCRadar analyzed stealer log data from the last 90 days and found 482 companies with exposed AI accounts and credentials. Of those, 295 appeared in active logs during that period, suggesting the exposure is recent rather than the result of historical c
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 2023 and 20
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 actor as Storm-3168
Sep 27, 2026
3 TTPs
by Pierluigi Paganini / 2d
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 (
3 TTPs
by Pierluigi Paganini / 2d
, putting unpatched webmail servers at risk of database compromise. A Roundcube Webmail vulnerability, tracked as CVE-2026-48842 (CVSS score of 8.1) and patched four months ago, is now being exploited in the wild. The Canadian Centre for Cyber Security added the warning to its advisory on September 21, citing open-source reporting and urging administrators to apply the available updates. The vuln
4 TTPs
by Pierluigi Paganini / 2d
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 applianc
by Pierluigi Paganini / 2d
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 opera
by Pierluigi Paganini / 2d
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 Throu
by Pierluigi Paganini / 2d
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 U.S. CISA adds
Kosovo national Ardit Kutleshi pleaded guilty to running Rydox, a cybercrime marketplace that sold stolen identities and credentials for years. Ardit Kutleshi , 28 years old and a citizen of Kosovo, pleaded guilty last week to building and running the cybercrime marketplace Rydox. The Rydox marketplace has been active since February 2016; it facilitated over 7,600 sales of stolen PII, access devi
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