Kerberoasting Detections: A New Approach to a Decade-Old Challenge

Security experts have been talking about Kerberoasting for over a decade, yet this attack continues to evade typical defense methods. Why? It’s because existing detections rely on brittle heuristics and static rules, which don’t hold up for detecting potential attack patterns in highly variable Kerberos traffic. They frequently generate false positives or miss “low-and-slow” attacks…

Google Launches OSS Rebuild to Expose Malicious Code in Widely Used Open-Source Packages

Google has announced the launch of a new initiative called OSS Rebuild to bolster the security of the open-source package ecosystems and prevent software supply chain attacks. “As supply chain attacks continue to target widely-used dependencies, OSS Rebuild gives security teams powerful data to avoid compromise without burden on upstream maintainers,” Matthew Suozzo, Google Open…

CISA Warns: SysAid Flaws Under Active Attack Enable Remote File Access and SSRF

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added two security flaws impacting SysAid IT support software to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation. The vulnerabilities in question are listed below – CVE-2025-2775 (CVSS score: 9.3) – An improper restriction of XML external entity (XXE) reference vulnerability in the

CISA Orders Urgent Patching After Chinese Hackers Exploit SharePoint Flaws in Live Attacks

The U.S. Cybersecurity and Infrastructure Security Agency (CISA), on July 22, 2025, added two Microsoft SharePoint flaws, CVE-2025-49704 and CVE-2025-49706, to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation. To that end, Federal Civilian Executive Branch (FCEB) agencies are required to remediate identified vulnerabilities by July 23, 2025. “CISA is

Proof of Concept for Microsoft Word RTF Font Table Heap Corruption (CVE-2023-21716) Released

Update 3/14 – Coverage section updated with available IPS signature.FortiGuard Labs is aware of a new proof of concept released over the weekend for CVE-2023-21716 (Microsoft Word Remote Code Execution Vulnerability).Patched in the February Microsoft Monthly Security Release, CVE-2023-21716 is a vulnerability within Microsoft Office’s wwlib which allows attackers to achieve remote code execution on…