Executive Summary A critical zero-day vulnerability, tracked as CVE-2026-21533, has been identified in Windows Remote...
THREAT ADVISORY Zero-Day Windows Remote Desktop Services Elevation of Privilege CVE-2026-21533 February 11, 2026
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Threat Advisories
THREAT ADVISORY 0APT – Ransomware Group February 2, 2026
Executive Summary 0APT (also stylized as 0apt) is a newly emerged ransomware group first publicly detected around January 28, 2026. It...
THREAT ADVISORY – Zero-Day Microsoft Office Security Feature Bypass CVE-2026-21509 – 01/27/2026
Executive Summary Microsoft released an emergency out-of-band security update to address CVE-2026-21509, a...
THREAT ADVISORY – BravoX Ransomware-as-a-Service Group – 01/27/2026
Executive Summary BravoX is a newly identified Ransomware-as-a-Service (RaaS) group that surfaced in January 2026. The...
THREAT ADVISORY — Chrome 0-Day Vulnerability Actively Exploited (CVE-2025-6554)
Threat Overview Google has confirmed active exploitation of a critical 0-day vulnerability (CVE-2025-6554) in the Chrome browser. The flaw...
THREAT ADVISORY: Targeted Extortion of School Districts Following PowerSchool Breach
Executive Summary Blackswan Cybersecurity is actively monitoring the evolving threat landscape following the PowerSchool breach initially...
Emerging Threat: Invisible Unicode Phishing Attacks
Overview Cybercriminals are continually evolving their tactics to bypass security measures, and a new phishing attack leveraging an advanced...
CISA Cybersecurity Advisory — #StopRansomware: Medusa Ransomware
Cybersecurity Advisory #StopRansomware: Medusa Ransomware Release Date March 12, 2025 Summary Note: This joint Cybersecurity Advisory is part of an ongoing #StopRansomware effort to publish advisories for network defenders detailing various ransomware variants and ransomware threat actors....
Top Cybersecurity Threats for 2025 and How to Mitigate Them
Cybersecurity threats are evolving rapidly, and 2025 is shaping up to be a year where cybercriminals up their game with more advanced tactics. However, businesses don’t have to be caught off guard. By staying informed and proactive, you can protect your organization from emerging cyber risks. This...
Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability (CVE-2024-49112)
SUMMARY Critical RCE vulnerability affecting the Windows LDAP Client with a CVSS score of 9.8. This vulnerability could allow an unprivileged...