Infosec – Safeguarding Digital Assets & Data

Information Security (Infosec) is a crucial practice focused on protecting sensitive data, digital assets, and IT infrastructure from cyber threats, unauthorized access, and data breaches. It encompasses various security measures, including encryption, firewalls, access controls, and threat monitoring. As cyberattacks grow more sophisticated, businesses and individuals must adopt robust security strategies, conduct regular risk assessments, and stay updated with the latest security protocols. A strong Infosec framework ensures data integrity, confidentiality, and availability, reducing vulnerabilities in an increasingly digital world.

Windows Hyper-V Vulnerability

Critical Windows Hyper-V NT Kernel Vulnerability Allows SYSTEM Privilege Escalation – PoC Released

Ravi Jain
CVE-2025-21333 is a critical vulnerability found in Microsoft's Hyper-V NT Kernel Integration VSP, enabling attackers to escalate privileges to SYSTEM level. This heap-based buffer overflow in the vkrnlintvsp.sys driver impacts containerized VMs like Windows Sandbox. Exploitation involves manipulating the I/O ring buffer to gain arbitrary read/write access in kernel memory, with a proof of concept demonstrating the technique. Microsoft has released a patch in the January 2025 updates, and organizations are advised to apply it promptly along with enabling advanced security features. The vulnerability poses significant risks including compromising confidentiality, violating system integrity, and disrupting system availability. ... Read More