Cybersecurity Brief – 2025-09-11

Thu, 11 Sep 2025 00:00:00 +0000

Major Incidents or Breaches

Jaguar Land Rover (JLR) confirmed a data breach following a recent cyberattack that forced system shutdowns and operational disruptions. Some company data was stolen in the incident.
The New York Blood Center began notifying affected individuals about a data breach resulting from a ransomware attack, confirming user data was stolen.
Plex, a media streaming platform, reported a data breach and advised users to reset their passwords.
The largest known supply-chain attack in the NPM ecosystem impacted approximately 10% of all cloud environments. Despite the scale, attackers reportedly gained little financial benefit.
An open-source developer known as “qix” disclosed a compromise of their GitHub account after being socially engineered to surrender access credentials.
A DDoS mitigation service provider in Europe was targeted by a distributed denial-of-service attack peaking at 1.5 billion packets per second.

Newly Discovered Vulnerabilities

Microsoft released patches for 80 vulnerabilities, including a publicly disclosed flaw, an SMB privilege escalation vulnerability, and Azure bugs rated CVSS 10.0.
Fortinet, Ivanti, and Nvidia issued security updates addressing high-severity vulnerabilities that could allow remote code execution, privilege escalation, information disclosure, and configuration tampering.
Rockwell Automation published eight security advisories as part of ICS Patch Tuesday, with additional advisories from Siemens, Schneider Electric, Phoenix Contact, and CISA.
A weakness in the Cursor AI code editor was identified, allowing repositories to automatically execute malicious code on a developer’s device when opened.

Notable Threat Actor Activity

Chinese APT groups have been linked to multiple high-profile incidents:
- A Chinese APT deployed the previously undocumented EggStreme fileless malware framework to compromise a Philippines-based military company.
- APT41, a China-linked group, is conducting ongoing cyber espionage campaigns targeting U.S. trade officials amid 2025 negotiations, as formally warned by the U.S. House Select Committee on China.
- Chinese state-backed actors have been observed posing as a U.S. congressman in spear-phishing attacks.
AsyncRAT is being distributed via compromised ConnectWise ScreenConnect installations to steal credentials and cryptocurrency.
Hacktivist and APT groups targeting Russian organizations have been analyzed and classified into three clusters based on their tactics, techniques, and procedures (TTPs).
The U.S. announced a $10 million reward for information leading to the arrest of Volodymyr Tymoshchuk, accused of deploying LockerGoga, MegaCortex, and Nefilim ransomware against hundreds of organizations.

Trends, Tools, or Tactics of Interest

The use of “shadow AI”-unauthorized or unmanaged AI tools by employees-is highlighted as an increasing security risk for organizations.
A new Phishing-as-a-Service kit, Salty2FA, has emerged, targeting U.S. and EU enterprises and focusing on bypassing two-factor authentication.
Two new malware families were identified:
- CHILLYHELL, a modular macOS backdoor with multiple persistence mechanisms, password brute-forcing, payload dropping, and multi-protocol communication.
- ZynorRAT, a Go-based remote access trojan capable of targeting macOS, Windows, and Linux systems.
BASE64 encoding over DNS is being used as a data exfiltration technique by certain backdoors.
Google is implementing C2PA Content Credentials in the Pixel 10 camera and Google Photos to verify image authenticity and counter AI-generated fakes.
Students are increasingly posing insider threats within the education sector, often unintentionally but at a scale challenging for security teams.
Social engineering remains a significant vector, as demonstrated by the Scattered Spider group breaching Clorox through phone-based help desk manipulation, leading to $380 million in damages.

Regulatory or Policy Developments Affecting the Security Industry

CISA presented its vision for the Common Vulnerabilities and Exposures (CVE) program, indicating ongoing evolution in vulnerability management and disclosure processes.
Apple introduced Memory Integrity Enforcement (MIE) in new iPhone models, providing always-on memory safety protections for the kernel and over 70 userland processes.
The U.S. is increasing scrutiny and financial incentives related to ransomware operators, exemplified by the $10 million reward targeting a Ukrainian ransomware actor.
The number of U.S. investors in commercial spyware companies increased sharply in 2024, with new countries identified as linked to the proliferation of such tools.

Cybersecurity Brief – 2025-09-10

Wed, 10 Sep 2025 00:00:00 +0000

Major Incidents or Breaches

Plex has disclosed a data breach affecting emails, usernames, password hashes, and authentication data stored in a database. Users have been urged to reset their passwords.
Wayne Memorial Hospital suffered a breach in May 2024, with hackers stealing names, Social Security numbers, financial information, and protected health information of approximately 160,000 individuals.
Qantas reduced executive pay following a data breach earlier this year in which threat actors compromised a third-party platform and accessed customer personal information.

Newly Discovered Vulnerabilities

Adobe patched a critical vulnerability (CVE-2025-54236, also called SessionReaper) in its Commerce and Magento Open Source platforms, which allows attackers to take over customer accounts. This is described as one of the most severe flaws in the platform’s history. Adobe also released fixes for critical vulnerabilities in ColdFusion.
SAP released updates for 21 vulnerabilities, including three critical issues in NetWeaver (CVSS up to 10.0) that could enable remote code execution and privilege escalation, as well as high-severity flaws in S/4HANA.
Microsoft’s September 2025 Patch Tuesday addressed 81–86 vulnerabilities (depending on source), including two publicly disclosed zero-day flaws and numerous escalation of privilege bugs. No vulnerabilities were reported as actively exploited prior to release.
Researchers disclosed “catastrophic” vulnerabilities in the platforms operated by Restaurant Brands International (RBI) for Burger King, Tim Hortons, and Popeyes.
Microsoft released Windows 10 (KB5065429) and Windows 11 (KB5065426, KB5065431) cumulative updates, addressing security vulnerabilities and system issues.
Microsoft is investigating an anti-spam bug causing Exchange Online and Teams to mistakenly block URLs and quarantine emails.

Notable Threat Actor Activity

A TOR-based cryptojacking campaign is expanding, targeting exposed Docker APIs. Attackers mount host filesystems in new containers, fetch malicious scripts via TOR, and block Docker API access. Tooling updates suggest efforts to build a complex botnet.
A Kosovo national pleaded guilty to running BlackDB.cc, a cybercrime marketplace active since 2018.
The U.S. charged a Ukrainian national for administering the LockerGoga, MegaCortex, and Nefilim ransomware operations.
A threat actor has been identified as connected to Play, RansomHub, and DragonForce ransomware, deploying multiple malware families, backdoors, a proxy tunneller, and reconnaissance tools.
A large NPM supply chain attack involved phishing the Qix NPM account and publishing malicious versions of 18 popular open source packages, collectively receiving over 2 billion weekly downloads.

Trends, Tools, or Tactics of Interest

Axios HTTP client abuse and Salty 2FA phishing kits are being combined with Microsoft’s Direct Send feature in advanced Microsoft 365 phishing campaigns, creating highly efficient attack pipelines.
The Salty2FA phishing kit is being used at an enterprise level, with adversaries employing advanced strategy and planning.
RatOn Android malware has evolved from conducting NFC relay attacks to a sophisticated remote access trojan with Automated Transfer System (ATS) banking fraud capabilities.
Recent phishing campaigns are delivering MostereRAT, a banking malware now functioning as a remote access trojan, using a variety of evasion and delivery techniques.
Ransomware losses are increasing, with trends including triple extortion and more sophisticated social engineering, as reported in midyear insurance claims analysis.
The browser is increasingly viewed as a critical endpoint, with rising usage prompting calls for improved browser-focused security controls.
Shadow AI agents are proliferating within enterprise environments, raising risks related to detection and control.
External Attack Surface Management (EASM) is highlighted as a key approach for identifying and prioritizing remediation of unknown internet-facing assets.
Microsoft is testing new AI-powered features in Windows 11 File Explorer to improve file handling capabilities.

Regulatory or Policy Developments Affecting the Security Industry

The U.S. Department of the Treasury imposed sanctions on networks of cyber scam operations in Southeast Asia, responsible for stealing over $10 billion from Americans in the past year. Firms in Burma and Cambodia cooperating with these cybercrime syndicates are also facing enforcement actions.
A court ordered Google to pay $425 million in a class action lawsuit for misleading users about their online privacy.
Mitsubishi Electric announced the acquisition of industrial cybersecurity firm Nozomi Networks for nearly $1 billion.
The Public Service Alliance launched a new platform offering privacy and threat monitoring tools to public servants.
Attaullah Baig, former WhatsApp security chief, filed a lawsuit against Meta, alleging retaliation over critical cybersecurity failures.

LockerGoga on DanSec Daily

Cybersecurity Brief – 2025-09-11

Major Incidents or Breaches

Newly Discovered Vulnerabilities

Notable Threat Actor Activity

Trends, Tools, or Tactics of Interest

Regulatory or Policy Developments Affecting the Security Industry

Cybersecurity Brief – 2025-09-10

Major Incidents or Breaches

Newly Discovered Vulnerabilities

Notable Threat Actor Activity

Trends, Tools, or Tactics of Interest

Regulatory or Policy Developments Affecting the Security Industry