Cybersecurity Brief – 2025-09-21

Sun, 21 Sep 2025 00:00:00 +0000

Major Incidents or Breaches

UNC1549, an Iran-nexus cyber espionage group, compromised 34 devices across 11 European telecommunications firms using LinkedIn job lures and the MINIBIKE malware.
Over 600,000 individuals were impacted by healthcare data breaches in the past day, with additional major intrusions attributed to the ShinyHunters group.
The Royal Canadian Mounted Police dismantled the TradeOgre cryptocurrency exchange, seizing over $40 million linked to criminal activity.
FBI issued an alert regarding cybercriminals impersonating the FBI’s Internet Crime Complaint Center (IC3) via fake reporting portals for malicious purposes.

Fortra released a critical patch for a command injection vulnerability (CVE-2025-10035, CVSS 10.0) in GoAnywhere Managed File Transfer (MFT) software, specifically in its License Servlet. Exploitation enables arbitrary command execution.
OpenAI’s ChatGPT Deep Research agent was found vulnerable to a zero-click flaw, allowing attackers to exfiltrate Gmail inbox data via a single crafted email. The vulnerability has since been patched.
Novakon HMIs were reported to have unpatched remote code execution and information exposure vulnerabilities, exposing industrial control systems to remote attacks.
A critical vulnerability was disclosed and fixed in Microsoft Azure Entra ID that could have enabled catastrophic identity and access management attacks if exploited.

Russian APT groups Turla and Gamaredon, both linked to the FSB, were observed collaborating to compromise high-profile Ukrainian targets. Turla deployed malware on systems previously accessed by Gamaredon, including the Kazuar backdoor.
The Iranian APT group, including a Charming Kitten subgroup, conducted sophisticated cyberattacks targeting telecommunications and satellite companies, using bespoke targeting techniques.
The Scattered Spider group had two suspected members arrested in the UK, with one charged in the US for hacking critical infrastructure.
SystemBC malware is powering the REM Proxy botnet, leveraging approximately 1,500 daily VPS victims and 80 C2 servers to provide proxy services to threat actors.

A phishing-as-a-service (PhaaS) surge was observed, with Lighthouse and Lucid platforms linked to over 17,500 phishing domains targeting 316 brands across 74 countries.
Atomic Infostealer is being distributed to macOS users via fake GitHub repositories, with campaigns targeting LastPass users.
Researchers identified the earliest known malware, codenamed MalTerminal, embedding GPT-4 LLM capabilities for automated ransomware creation and reverse shell generation.
CISA published an analysis of malware kits deployed in attacks exploiting Ivanti Endpoint Manager Mobile (EPMM) vulnerabilities, detailing tactics such as system information collection, credential dumping, and arbitrary code execution.
Ransomware attacks continue to evade defenses, with prevention rates dropping to 62% and data exfiltration prevention at only 3%, per the Picus Blue Report 2025.
Synthetic identity fraud is resurging in the finance and lending sector, with estimated damages reaching $3.3 billion from new accounts.
ChatGPT was demonstrated to be capable of solving CAPTCHAs and mimicking human cursor behaviour, highlighting risks in automated abuse of AI agents.

Netskope completed a successful IPO, raising over $908 million and reaching a valuation of $8.6 billion.
Valve announced Steam will end support for 32-bit Windows in January 2026, affecting software compatibility and potentially security posture for legacy systems.

Sat, 20 Sep 2025 00:00:00 +0000

UNC1549, an Iran-linked cyber espionage group, successfully infiltrated 34 devices across 11 European telecommunications organisations using LinkedIn job lures and the MINIBIKE malware.
Russian threat groups Gamaredon and Turla collaborated in a campaign targeting Ukrainian entities, with Turla malware deployed on systems previously compromised by Gamaredon.
Over 600,000 individuals were impacted by recent healthcare sector breaches; ShinyHunters was identified as responsible for major attacks.
The FBI issued a warning about cybercriminals creating fake FBI Internet Crime Complaint Center (IC3) portals for malicious activity.
The REM Proxy botnet, powered by SystemBC malware, currently controls approximately 1,500 VPS victims daily via 80 C2 servers.
A surge in phishing-as-a-service (PhaaS) operations, notably Lighthouse and Lucid, has resulted in over 17,500 phishing domains targeting 316 brands in 74 countries.

Fortra disclosed and patched a critical vulnerability (CVE-2025-10035, CVSS 10.0) in GoAnywhere Managed File Transfer (MFT), allowing remote command injection via the License Servlet.
A zero-click vulnerability in OpenAI ChatGPT’s Deep Research agent enabled attackers to exfiltrate Gmail inbox data through a crafted email. OpenAI has since patched the issue.
Novakon Human-Machine Interfaces (HMIs) were found to have unpatched remote code execution and information exposure vulnerabilities.
A critical flaw in Microsoft Azure Entra ID was disclosed and fixed; it could have enabled catastrophic identity and access management attacks.
CISA released an analysis of malware kits used in attacks exploiting Ivanti Endpoint Manager Mobile (EPMM) vulnerabilities, where attackers chained two flaws to collect system information, dump credentials, and execute malware.

Iranian APT group UNC1549 targeted European telecom and satellite companies with highly bespoke attacks, leveraging LinkedIn lures and custom malware.
Russian APTs Gamaredon and Turla collaborated to compromise Ukrainian organisations, with evidence of sequential deployment of their respective malware.
Scattered Spider group members were arrested in the UK and charged in the US for attacks on critical infrastructure organisations.

Researchers identified the earliest known malware (MalTerminal) embedding GPT-4-powered LLM capabilities, enabling autonomous creation of ransomware and reverse shells.
ChatGPT was demonstrated as capable of solving CAPTCHAs and mimicking human cursor movement, highlighting ongoing risks of AI-driven automation in bypassing security controls.
Ransomware continues to evade defences, with latest data showing only 62% prevention rates and data exfiltration prevention dropping to 3%.
Synthetic identity fraud in the finance and lending sector is rising post-pandemic, with estimated damages reaching $3.3 billion from new accounts.
The Tines platform released over 1,000 pre-built AI-driven security automation workflows, facilitating automated alert triage and response using AI agents and Confluence SOPs.
Industrial automation systems remain a high-value target, with Kaspersky reporting a broad range of malicious objects detected on ICS computers in Q2 2025.

Netskope completed a successful IPO, raising over $908 million and achieving a valuation of $8.6 billion.
Valve announced that Steam will end support for 32-bit Windows systems in January 2026, impacting legacy software environments.