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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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Bank Info Security 1 day, 19 hours ago

ShinyHunters Hits Universities Via Oracle Zero-Day

Mandiant: 68% of Targets Were Higher Ed Institutions Running PeopleSoftShinyHunters exploited a critical zero-day in Oracle PeopleSoft to breach more than 100 organizations globally, researchers at Mandiant and Google's Threat Intelligence Group said, with universities and colleges accounting for the majority of confirmed targets in the active extortion campaign.

More from Bank Info Security 16 Jun 2026, 9:30 a.m. Incident · 8 stories 0-Day Breach Critical Education Extortion Google Oracle Research

ShinyHunters exploited a critical Oracle PeopleSoft zero-day to breach over 100 organizations, mostly universities, before a patch was available. Mandiant and Google’s Threat Intelligence Group published an analysis of an active ShinyHunters campaign on June 11, one day after Oracle finally issued an advisory for the vulnerability being exploited. The gap matters: the activity ran […]

More from Security Affairs 12 Jun 2026, 10:49 p.m. Incident · 8 stories 0-Day Breach Critical Flaw Google Oracle Patch Remote Code Execution Vulnerability

Oracle is warning about a critical PeopleSoft Suite zero-day vulnerability tracked as CVE-2026-35273 that allows unauthenticated remote code execution, with the flaw actively exploited in ShinyHunter data theft attacks. [...]

More from Bleeping Computer 12 Jun 2026, 7:39 a.m. Incident · 8 stories Actively exploited CVE-2026-35273 0-Day CVE Critical Flaw Mitigation Oracle Remote Code Execution Theft Unauthenticated Vulnerability Warning