Author: Staff Writer

Avatar photo

John Marcelli is a staff writer for the CISO Brief, with a passion for exploring and writing about the ever-evolving world of technology. From emerging trends to in-depth reviews of the latest gadgets, John stays at the forefront of innovation, delivering engaging content that informs and inspires readers. When he's not writing, he enjoys experimenting with new tech tools and diving into the digital landscape.

Fast Facts Key Points: 98% of enterprises plan to increase governance budgets by an average of 24% in response to AI risks. IT leaders report spending 37% more time managing AI risks this year, with 86% identifying gaps in governance practices. Over 80% of businesses are modernizing governance to address AI risks, emphasizing the need for holistic strategies. Most companies have faced financial losses from AI incidents, averaging $800,000 over two years, stressing the importance of effective governance. Increasing Investment in AI Governance As businesses race to adopt artificial intelligence, many recognize the associated risks. A recent survey reveals that…

Read More

Top Highlights Enterprise networks are targeted by dark web threats like ransomware and data exfiltration, often hidden within normal traffic patterns. Using Network Detection and Response (NDR), security teams can identify dark web activities by monitoring for suspicious connections, protocol anomalies, and encrypted traffic patterns. Key detection strategies include baselining network behavior, monitoring Tor, I2P, P2P, DNS, and VPN activities, and flagging lateral movement or abnormal geolocation access. Automated alerts and threat intelligence integration with NDR significantly improve detection and response capabilities against dark web threats, enhancing overall cybersecurity resilience. Key Challenge Cybersecurity experts recognize that enterprise networks are prime…

Read More

Essential Insights CISA issued an urgent alert on October 14, 2025, warning of a critical vulnerability (CVE-2025-6264) in Rapid7’s Velociraptor EDR due to misconfigured default permissions, which threat actors have exploited to take control of endpoints. The flaw requires initial access but can escalate privileges, with confirmed use in ransomware campaigns by groups like LockBit and Conti, leading to widespread infections and data breaches. Rapid7 recommends immediate patching to version 0.7.1 or later, enforcing least privilege policies, and discontinuing the affected product if necessary, with a federal deadline of November 4, 2025. The incident highlights the risks of open-source security…

Read More

Top Highlights Discord’s recent data breach involved the compromise of user information, including IDs, due to a third-party support system attack, but Discord stated its own systems were not breached. Customer service provider 5CA denied involvement, asserting that their systems remain secure and that the incident was likely caused by human error outside their platform. The breach was linked to a Zendesk instance used by 5CA, but Zendesk confirmed no vulnerabilities or system compromises occurred in their products. Hackers claimed to have stolen 1.5 TB of data, including over 2.1 million IDs, but Discord reported only around 70,000 IDs were…

Read More

Essential Insights Oracle urgently patched a critical, actively exploited vulnerability (CVE-2025-61884) in E-Business Suite that allows remote, unauthenticated access to sensitive resources, following leaks and active exploitation by groups like ShinyHunters. The security update addressed a specific SSRF flaw, but earlier patches for related vulnerabilities (CVE-2025-61882) left certain exploit components, especially the SSRF segment, still functional until recent fixes. Confusing and inconsistent disclosures about the exploits and patch effectiveness have emerged, with security researchers noting mismatched Indicators of Compromise (IOCs) and analyzing multiple exploit chains involving different vulnerable endpoints. Experts recommend that Oracle E-Business Suite users immediately apply the latest…

Read More

Essential Insights The HSCC’s SMART Toolkit is a collaborative, 16-month effort designed to help healthcare organizations identify and assess systemic risks posed by third-party vendors critical to operations, emphasizing proactive resilience and risk management. The toolkit guides organizations through forming cross-disciplinary teams to define critical workflows, map dependencies, and prioritize vendors based on materiality and potential impact, fostering a structured risk assessment process. It emphasizes standardized risk assessments, vendor classification, and development of mitigation and operational plans, including regular reviews, gap remediation, and contractual safeguards to strengthen cybersecurity and supply chain resilience. Despite current exclusion of AI as a separate…

Read More

Summary Points Microsoft disclosed two actively exploited zero-day vulnerabilities (CVE-2025-24990 and CVE-2025-24052) in the Agere Modem driver (ltmdm64.sys), affecting all supported Windows versions since Windows 10, which could allow low-privileged attackers to escalate to full admin privileges. Both flaws involve memory manipulation—untrusted pointer dereference and stack-based buffer overflow—can be exploited locally without user interaction, and have a CVSS score of 7.8, posing significant risks to system security and data integrity. In response, Microsoft permanently removed the driver in October 2025 patches, but vulnerable fax modems will cease functioning, requiring users to find alternatives and implement security measures like driver scanning…

Read More

Fast Facts Microsoft disclosed a critical IIS vulnerability (CVE-2025-59282) exposing Windows servers to remote code execution via a race condition and use-after-free flaw, rated "Important" with a CVSS score of 7.0. Exploitation requires local access but can be initiated remotely through malicious files, potentially allowing attackers to execute arbitrary code with SYSTEM privileges. The flaw affects IIS-enabled Windows Server versions, enabling attackers to compromise sensitive data, deploy ransomware, or pivot within networks, although currently low in exploit activity. Microsoft recommends immediate patching, disabling IIS if unused, and implementing security controls like UAC and audit logs to mitigate risks, emphasizing the…

Read More

Fast Facts Two critical vulnerabilities (CVE-2023-40151 and CVE-2023-42770) affect Red Lion Sixnet RTUs, allowing unauthenticated remote code execution with root privileges. CVE-2023-42770 exploits an authentication bypass in UDP and TCP ports, while CVE-2023-40151 leverages Linux shell command support for remote code execution. These flaws may enable attackers to chain attacks, risking serious industrial control system disruptions; patches and enabling user authentication are highly recommended. Impacted products include various firmware versions across Red Lion’s Sixnet RTU series, with US CISA emphasizing the threat to critical infrastructure operations. Problem Explained Cybersecurity researchers recently uncovered two severe vulnerabilities (CVE-2023-40151 and CVE-2023-42770) in Red…

Read More

Essential Insights Veeam Backup & Replication v12 and its Agent for Windows contain critical vulnerabilities that allow remote code execution and privilege escalation, mainly affecting domain-joined systems. The Mount service flaw (CVE-2025-48983) and Backup Server vulnerability (CVE-2025-48984) can be exploited by authenticated domain users, risking extensive network compromise. A separate agent restore flaw (CVE-2025-48982) enables privilege escalation through tricking administrators into restoring malicious files, highlighting endpoint security concerns. All affected versions should be promptly updated to Veeam’s patched build 12.3.2.4165 or later to prevent potential data breaches, ransomware attacks, and lateral network movement. Problem Explained Veeam Software recently disclosed three…

Read More