Asec.Ahnlab Yurei Ransomware Group Emerges with Data Encryption and Exfiltration Tactics
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The Yurei ransomware group, identified in early September 2025, employs a typical ransomware operational model. This includes infiltrating corporate networks, encrypting data, deleting backups, and demanding ransom for stolen information, indicating a significant threat to organizations.
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Citrix NetScaler Critical Vulnerabilities Exploited: Urgent Patching Required Citrix NetScaler ADC and Gateway products are affected by critical vulnerabilities CVE-2026-88771 and CVE-2026-88772, both assigned a CVSS score of 9.5. The Cybersecurity and Infrastructure Security Agency (CISA) added these CVEs to its Known Exploited Vulnerabilities catalog on September 27, 2026, and mandated… 
Critical Citrix NetScaler Zero-Day Vulnerabilities Exploited Citrix disclosed two critical zero-day vulnerabilities, CVE-2026-88771 and CVE-2026-88772, affecting NetScaler ADC and Gateway systems, which are being actively exploited. Both vulnerabilities have a CVSS score of 9.5 and allow unauthenticated attackers to execute arbitrary commands remotely. CVE-2026-88771 arises…