Ravi JainView all posts

Technijian was founded in November of 2000 by Ravi Jain with the goal of providing technology support for small to midsize companies. As the company grew in size, it also expanded its services to address the growing needs of its loyal client base. From its humble beginnings as a one-man-IT-shop, Technijian now employs teams of support staff and engineers in domestic and international offices. Technijian’s US-based office provides the primary line of communication for customers, ensuring each customer enjoys the personalized service for which Technijian has become known.

VMware ESXi zero-day vulnerability

37K+ VMware ESXi Instances at Risk: Critical Zero-Day Vulnerabilities Disclosed – Urgent Patch Required!

Ravi Jain
Broadcom disclosed three critical zero-day vulnerabilities in VMware ESXi, Workstation, and Fusion in March 2025, which are being actively exploited and could grant attackers significant control over affected systems. These flaws, including a TOCTOU vulnerability and privilege escalation risks, impact tens of thousands of unpatched ESXi instances globally, necessitating immediate patching. Challenges in obtaining patches through Broadcom's portal exist for some users, emphasizing the need for alternative methods and proactive security measures. Organizations are urged to apply patches, restrict administrative access, and monitor for suspicious activity, with companies like Technijian offering assistance in securing VMware environments against these threats. The vulnerabilities underscore the importance of vigilance and timely updates to mitigate serious security risks. ... Read More
Website hacking attack

35,000+ Websites Hacked in Massive Cyberattack – Users Redirected to Chinese Gambling Sites!

Ravi Jain
A widespread cyberattack compromised over 35,000 websites by injecting malicious scripts that redirect visitors to Chinese gambling platforms. This attack, discovered in February 2025, injects code that takes over the entire browser window, often targeting users in Mandarin-speaking regions. Security researchers believe this campaign might be connected to the Megalayer exploit, known for distributing Chinese-language cyber threats. The article advises website owners to audit their code, block malicious domains, monitor for unauthorized changes, implement strong security policies, and keep their software updated to prevent such attacks. The impact on website owners includes traffic loss and reputational damage, while visitors face forced redirection to gambling sites. ... Read More
Hunters International Ransomware Attack on Tata Technologies

Hunters International Ransomware Claims Attack on Tata Technologies

Ravi Jain
In January 2025, Tata Technologies, a global engineering firm, was reportedly targeted by the Hunters International ransomware group, who claimed to have stolen a significant amount of data and threatened its release. The attack highlights the increasing cyber risks faced by large corporations and the potential compromise of sensitive information, including intellectual property and client data. The text also details preventative measures companies can adopt to bolster their cybersecurity defenses, such as regular backups, employee training, and threat detection systems. Finally, the article introduces Technijian, a cybersecurity provider offering services to help businesses protect themselves from such attacks. ... Read More
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
Cyberattack on Polish Space Agency

Cyberattack on Polish Space Agency: Implications, Threats, and Prevention Strategies

Ravi Jain
Cyberattack on the Polish Space Agency (POLSA) in March 2025, highlighting Poland's increasing vulnerability to cyber warfare. This incident, along with previous attacks on Polish news agencies, underscores a pattern of disruptive cyber threats potentially aimed at destabilizing the nation. The attack on POLSA poses significant national security, economic, and diplomatic risks by potentially compromising sensitive data and disrupting operations. The document broadens the context by citing similar attacks on the African Union and Boeing, demonstrating a global trend of cyber threats targeting critical infrastructure. It emphasizes the importance of robust cybersecurity measures, such as those offered by Technijian, including advanced threat detection, comprehensive IT support, and employee training to prevent future attacks. ... Read More