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Critical is a term that denotes the highest level of importance assigned to certain assets, systems, or data within the realm of information security. It signals that the information or infrastructure in question is essential to the operations of an organization, and any compromise or downtime could lead to severe consequences, such as financial loss, reputational damage, or threat to physical safety.

In the context of information security, critical can pertain to components like core servers, databases with sensitive information, or network infrastructure that, if disrupted, could cripple an organization's ability to function. Prioritizing security for critical systems involves implementing robust protection measures, continuous monitoring for threats, and planning for rapid response and recovery in the event of an incident. It reflects a heightened level of risk management to safeguard against potential cyber threats and maintain operational integrity.

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Threat actors are exploiting a critical FortiClient EMS flaw, tracked as CVE-2026-35616, to deploy malware on unpatched systems. Threat actors are exploiting a critical FortiClient EMS vulnerability, tracked as CVE-2026-35616 (CVSS score of 9.1), that allows remote code execution without authentication. Fortinet released fixes in April after confirming zero-day attacks in the wild and urged […]

More from Security Affairs 29 May 2026, 4:05 a.m. Incident · 10 stories Actively exploited CVE-2026-35616 0-Day Authentication CVE Critical Flaw Fortinet Malware Patch Remote Code Execution Theft Threat Actor Vulnerability
Bank Info Security 1 month, 4 weeks ago

Attackers Target Zero-Day Flaw in Fortinet Security Software

Vendor Issues Hotfix for Critical Flaw in FortiClient Endpoint Management ServerFortinet's endpoint management security server software is under fire from attackers, who are actively targeting two critical flaws, including a fresh zero-day that facilitates unauthenticated remote code or command execution. The vendor has issued a hotfix and promised a full patch.

More from Bank Info Security 7 Apr 2026, 5:00 a.m. Incident · 10 stories 0-Day Critical Flaw Fortinet Patch Unauthenticated Vendor