Cybersecurity Brief – 2025-06-27

Fri, 27 Jun 2025 00:00:00 +0000

Major Incidents or Breaches

United Natural Foods Inc. (UNFI), a major supplier to Whole Foods, has restored its core systems and electronic ordering/invoicing platforms after a cyberattack. Details of the attack vector or threat actor have not been disclosed.
Hawaiian Airlines reported a cyberattack that disrupted access to some systems. Flight operations were not affected. The investigation is ongoing.
The U.S. Department of Justice charged a British national, alleged to be the threat actor “IntelBroker,” in connection with several high-profile breaches.
New South Wales Police arrested a former Western Sydney University student accused of repeatedly hacking university systems for personal gain, including manipulating parking and accessing data.
A Kansas City man pleaded guilty to hacking multiple organizations to promote his own cybersecurity services.
AT&T has agreed to a $177 million settlement following a data breach that resulted in customer information being leaked and sold on the dark web.
The “Cyber Fattah” hacktivist group leaked data from Saudi Games, amid increased hacktivist activity linked to regional tensions.

Newly Discovered Vulnerabilities

Researchers disclosed a critical vulnerability in the Open VSX Registry (“open-vsx[.]org”) that could allow attackers to take control of the registry and conduct supply chain attacks affecting millions of developers.
Cisco released updates to address two maximum-severity unauthenticated remote code execution vulnerabilities in Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC), which could allow attackers to gain root access.
CISA reported active exploitation of a maximum severity vulnerability in AMI MegaRAC Baseboard Management Controller (BMC) software, enabling server hijacking and potential bricking of affected systems.
A bug affecting 689 Brother printer models (and 53 models from other manufacturers) exposes default administrator passwords that can be generated remotely, putting devices at risk of unauthorized access.

Notable Threat Actor Activity

Iranian state-sponsored group APT35 (linked to the IRGC) is conducting spear-phishing campaigns targeting Israeli journalists, cybersecurity experts, and tech professionals using AI-powered phishing techniques.
Cybercriminals are exploiting open-source and publicly available tools to target financial institutions across Africa in attacks ongoing since at least July 2023.
Scattered Spider, a well-known threat actor, has shifted its targeting from global retailers to U.S.-based insurance firms, employing advanced TTPs.
Researchers observed a significant increase (517%) in ClickFix social engineering attacks using fake CAPTCHA verifications as an initial access vector. A new related method, FileFix, has emerged.
Ongoing phishing campaigns are abusing Microsoft 365’s “Direct Send” feature to send phishing emails as internal users, bypassing standard email security controls.
Bitdefender reported a surge in social engineering attacks targeting WhatsApp users, aiming to compromise accounts through various scam tactics.
New Trojan malware is targeting sensitive information stored in mobile device screenshots, including cryptocurrency wallet seed phrases.

Trends, Tools, or Tactics of Interest

Use of open-source and commodity tools by cybercriminals for targeting financial institutions is increasing, particularly in Africa.
Fake CAPTCHA (ClickFix) and document-based (FileFix) social engineering tactics are on the rise as initial access methods.
Abuse of Microsoft 365’s “Direct Send” feature is being used to bypass detection and facilitate internal phishing.
AI-powered phishing is being adopted by state-sponsored actors, as seen in APT35’s recent campaigns.
SaaS adoption continues to outpace the development of effective data resilience and security controls, increasing organizational risk.

Regulatory or Policy Developments

The U.S. Federal Trade Commission (FTC) approved $126 million in refunds to Fortnite users as part of a settlement over the use of “dark patterns” by Epic Games to induce unwanted purchases.
Microsoft has rolled out changes to Windows security architecture aimed at preventing outages similar to the 2024 CrowdStrike incident, improving system resilience and recovery.
AT&T’s $177 million settlement over a major data breach establishes compensation for affected users whose personal data was leaked.

Cybersecurity Brief – 2025-06-26

Thu, 26 Jun 2025 00:00:00 +0000

Major Incidents or Breaches

Citrix NetScaler ADC Vulnerability (CVE-2025-6543): Citrix released emergency patches for a critical vulnerability in NetScaler ADC appliances, which has been actively exploited in the wild for denial of service and session hijacking attacks. The flaw, dubbed “CitrixBleed 2,” allows unauthenticated attackers to steal authentication tokens and disrupt services.
SonicWall NetExtender Trojan: Unknown threat actors have distributed a trojanized version of SonicWall’s NetExtender SSL VPN client, enabling credential theft from users who install the compromised application.
Pro-Iranian Hacktivist Data Leak: The Cyber Fattah group, aligned with Iranian interests, leaked thousands of personal records related to athletes and visitors of the 2024 Saudi Games.
BreachForums Operator Arrests: French authorities reportedly arrested five operators of the BreachForums cybercrime forum, which facilitated the trade and exposure of stolen data.
‘IntelBroker’ Charged: A British national known as “IntelBroker” has been charged in the US for stealing and selling sensitive data from global victims, causing $25 million in damages.

Newly Discovered Vulnerabilities

Citrix NetScaler ADC (CVE-2025-6543, “CitrixBleed 2”): Critical vulnerability allowing token theft, session hijacking, and denial of service. Actively exploited prior to patch release.
SAP GUI for Windows and Java: Two vulnerabilities, now patched, could have allowed attackers to access sensitive user data via exploitation of the input history feature.
WinRAR (CVE-2025-6218): Directory traversal vulnerability allowing malware execution from specially crafted archives upon extraction.
Brother Printers: Multiple vulnerabilities, including a critical unpatchable flaw (CVSS 9.8) that enables attackers to generate default admin passwords on hundreds of models.
Microsoft Entra ID (nOAuth): A known vulnerability in Entra ID still affects 9% of SaaS apps two years after discovery, risking account takeovers. Additional research highlights risks related to guest user invitation and access control gaps.

Notable Threat Actor Activity

North Korean Supply Chain Attacks: The “Contagious Interview” campaign linked to North Korea continues, with 35 new malicious npm packages targeting developers and job seekers. Packages deliver infostealers and backdoors.
Charming Kitten (Iran): This Iran-sponsored APT has targeted Israeli cybersecurity experts with spear-phishing campaigns.
Dire Wolf Ransomware: An emerging ransomware group has compromised 16 organizations in technology and manufacturing sectors across 11 countries since May, employing double extortion tactics.
Abuse of ConnectWise ScreenConnect: Threat actors are modifying the Authenticode signature of ScreenConnect installers to create signed remote access malware.
OneClik Campaign: Attackers are leveraging Microsoft’s ClickOnce deployment tool and AWS infrastructure to deliver custom Golang backdoors, targeting the energy sector.

Trends, Tools, or Tactics of Interest

Social Engineering: Europol reports that social engineering remains a leading initial access vector for cybercriminals.
AI and Collaboration Tool Abuse: Kaspersky’s SMB threat report highlights increasing targeting of small and medium businesses through AI-powered scams, phishing, and malware, particularly via collaboration platforms.
Generative AI in Supply Chain Attacks: Malicious actors are leveraging AI-generated software components to compromise software supply chains.
Remote Access Tool Abuse: Both SonicWall NetExtender and ConnectWise ScreenConnect have been abused for distributing malware and credential theft.
AI Evasion Tactics: Researchers identified a rudimentary malware (“Skynet”) that attempts to instruct AI-based security tools to ignore it, suggesting early stages of adversarial AI evasion.
Open MCP Servers: Hundreds of MCP servers exposing AI models are vulnerable to abuse and remote code execution.
Security Features in Consumer Products: Avast has integrated AI-powered scam detection into its antivirus products; WhatsApp and Ring have added AI features for message and video summarization; Android 16 introduces new security features requiring user activation.

Regulatory or Policy Developments

CISA Downsizing: Reports note reductions in staffing and resources at the US Cybersecurity and Infrastructure Security Agency (CISA), with potential implications for the broader cybersecurity landscape.

Cyber Fattah on DanSec Daily

Cybersecurity Brief – 2025-06-27

Major Incidents or Breaches

Newly Discovered Vulnerabilities

Notable Threat Actor Activity

Trends, Tools, or Tactics of Interest

Regulatory or Policy Developments

Cybersecurity Brief – 2025-06-26

Major Incidents or Breaches

Newly Discovered Vulnerabilities

Notable Threat Actor Activity

Trends, Tools, or Tactics of Interest

Regulatory or Policy Developments