Welcome to the ONSEC Cyber Daily for March 11, 2026. Today, we dive into a world where cyber vulnerabilities are the silent saboteurs lurking in the shadows. Our editorial uncovers the hidden threats in the Hazmat sector, highlighting the urgent need for fortified defenses. Meanwhile, the EPA is rallying with government partners to ensure our water systems remain cybersecure, a testament to the growing importance of safeguarding critical infrastructure. This week has been a whirlwind of cyber threats, with a surge in high-severity vulnerabilities, ransomware attacks, and healthcare data breaches. China's internet emergency center has issued a security alert, underscoring the global nature of these threats. In the U.S., CISA has added new flaws to its Known Vulnerabilities catalog, emphasizing the need for vigilance. Microsoft's March Patch Tuesday has addressed 83 CVEs, including critical vulnerabilities in SQL Server and Microsoft Office, while Fortinet and HPE have issued patches to thwart potential exploits. As we navigate this digital battleground, the importance of staying informed and proactive cannot be overstated. Join us as we unravel these stories and more, equipping you with the knowledge to defend against the unseen adversaries of the cyber realm.

Exploits Alert

1. Editorial: Identifying Cyber Vulnerabilities in the Hazmat Sector: The editorial highlights the critical need for enhanced cybersecurity measures in the hazmat sector, emphasizing collaboration with federal, state, and local governments to safeguard water systems against cyber threats. The piece underscores the potential risks and vulnerabilities that could impact public safety if not addressed promptly. Source: Hazmat Magazine
2. Weekly Cyber Threat Bulletin: 2–8 March 2026: This bulletin reports a significant increase in high-severity vulnerabilities, large-scale ransomware attacks, and healthcare data breaches during the first week of March 2026. It provides insights into the evolving threat landscape and the need for robust cybersecurity defenses to mitigate these risks. Source: Crowe UAE
3. China's Internet Emergency Center Issues OpenClaw Security Alert: The alert from China's internet emergency center warns of vulnerabilities in the OpenClaw platform, which could be exploited by cyber attackers. The notice calls for immediate attention to patch these vulnerabilities to prevent potential data breaches and cyberattacks. Source: CGTN
4. U.S. CISA Adds Ivanti EPM, SolarWinds, and Omnissa Workspace One Flaws to Known Exploited Vulnerabilities Catalog: The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has updated its catalog of known exploited vulnerabilities to include flaws in Ivanti EPM, SolarWinds, and Omnissa Workspace One. This move aims to alert organizations to prioritize patching these vulnerabilities to prevent exploitation. Source: Security Affairs

Vulnerabilities & Patches

1. Attackers exploit FortiGate devices to access sensitive network info: A recent vulnerability in FortiGate devices has been exploited by attackers to gain access to sensitive network information. The flaw, identified as CVE-2025-59718, allows unauthorized access, posing significant risks to network security. Fortinet has released patches to address these vulnerabilities, urging users to update their systems promptly. Source: Security Affairs
2. HPE warns of critical AOS-CX flaw allowing admin password resets: Hewlett Packard Enterprise (HPE) has issued patches for critical vulnerabilities in the Aruba Networking AOS-CX operating system. These flaws could allow attackers to reset admin passwords, potentially compromising network integrity. Users are advised to apply the patches immediately to mitigate the risks. Source: Bleeping Computer
3. Microsoft Patches 83 CVEs in March Update: Microsoft's March 2026 Patch Tuesday addressed 83 vulnerabilities, including critical flaws like CVE-2026-24289 and CVE-2026-26132. These vulnerabilities, if exploited, could allow attackers to execute code remotely or escalate privileges. Users are strongly encouraged to update their systems to protect against potential exploits. Source: Dark Reading
4. Microsoft Patch Tuesday, March 2026 Edition: This month's Patch Tuesday included fixes for previously disclosed vulnerabilities, such as CVE-2026-21262, which allows privilege escalation in SQL Server. The update highlights the importance of timely patching to prevent exploitation of known vulnerabilities. Source: Krebs on Security
5. March Patch Tuesday: Three high severity holes in Microsoft Office: Microsoft Office users are urged to update their software following the discovery of three high-severity vulnerabilities, including CVE-2026-26144, an Excel Information Disclosure Vulnerability. These flaws could lead to unauthorized data access, emphasizing the need for immediate patch application. Source: CSO Online

Podcasts

1. Influential Women Podcast: Announces New Episode with Neha Kumar, Building $200M in 17 Months: This episode features Neha Kumar, who shares her journey of building a $200 million business in just 17 months. The discussion revolves around her strategies, challenges, and the importance of action over perfection in achieving business success. Source
2. Your FBI: Cyber - Business Defense: This podcast episode provides insights into the FBI's approach to cyber defense for businesses. It highlights key strategies and real-world examples of how companies can protect themselves against cyber threats. Source
3. Digital Fortresses: Cyber And Data Risks For AI Agents: The episode delves into the cybersecurity and privacy risks associated with AI agents, including AI-enabled phishing and deepfakes. It offers a comprehensive look at how these technologies can be both a boon and a bane for data security. Source
4. It's Okay to Put All Your Eggs in One Basket as Long as You Really Trust the Basket - CISO Series: This episode explores the concept of risk management in cybersecurity, emphasizing the importance of trust and reliability in chosen security solutions. The hosts discuss various strategies to ensure that your cybersecurity 'basket' is trustworthy. Source
5. InstallFix fake Claude sites, UNC4899 breaches crypto, UK cyber-fraud crackdown: This episode covers recent cybersecurity news, including the spread of fake Claude sites, a breach by UNC4899 targeting cryptocurrency, and the UK's crackdown on cyber-fraud. It provides listeners with the latest updates and expert analysis on these pressing issues. Source

Final Words

As we wrap up today's edition of ONSEC Cyber Daily, let's reflect on the critical insights we've shared about cyber vulnerabilities across various sectors, from the hazmat industry to the latest Microsoft patches. Our commitment to cybersecurity is unwavering, and we stand alongside our partners in federal, state, and local governments to ensure robust defenses for all systems, especially those as vital as our water infrastructure. The surge in high-severity vulnerabilities and the continuous efforts to patch and protect against potential threats underscore the importance of staying informed and proactive. Remember, cybersecurity is a collective effort, and your vigilance is a crucial part of this ecosystem. We hope you found today's insights valuable and urge you to share this newsletter with your friends and colleagues. By spreading awareness, we can all contribute to a safer digital world. Stay secure, stay informed, and see you in the next edition of ONSEC Cyber Daily!

ONSEC.io | LinkedIn

ONSEC.io | 1,839 followers on LinkedIn. Information security audits and penetration testing by a team of experts with an average experience of more than 7 years | ONSEC.io - is a penetration testing & in-depth security audit company with more than 13 years of experience on the market. Our team has already helped more than 300 companies be aware about possible system's vulnerabilities, including Republic, DMarket, LegionFarm, Parallels, Xsolla, Acronis, Manyсhat, Global Fashion Group and others. Our main goal is to increase the customer security level by finding and fixing security issues as well as improve security awareness inside the company, including developers, DevOps, and other teams to build a sustainable engineering culture with security knowledge.

LinkedIn