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Alarming Upgrades in Tycoon2FA

Alarming Upgrades in Tycoon2FA: The Evolving Threat to Microsoft 365 Security

Ravi Jain
Emergence and increasing sophistication of Tycoon2FA, a Phishing-as-a-Service platform specifically designed to bypass multi-factor authentication, particularly for Microsoft 365 and Gmail accounts. It highlights new evasion techniques employed by Tycoon2FA, such as invisible Unicode characters, custom CAPTCHAs, and anti-debugging scripts, making it a significant threat. The text also discusses a surge in phishing attacks leveraging malicious SVG files to deliver credential-stealing JavaScript. Finally, it offers recommendations for defense, including blocking SVG attachments, using phishing-resistant MFA, and enhancing employee awareness, while also briefly introducing Technijian as a provider of relevant security services. ... Read More
PipeMagic Trojan Exploits Windows CLFS Zero-Day Vulnerability to Deploy Ransomware

PipeMagic Trojan Exploits Windows CLFS Zero-Day Vulnerability to Deploy Ransomware

Ravi Jain
A newly discovered critical vulnerability, CVE-2025-29824, in the Windows Common Log File System (CLFS) is being actively exploited by the PipeMagic trojan to conduct ransomware attacks across various global industries. This zero-day flaw allows attackers to gain SYSTEM privileges, enabling them to deploy ransomware, such as RansomEXX, and encrypt data. While Windows 11 version 24H2 is not affected, Microsoft has released a patch and advises immediate updates. The attacks involve malicious payloads downloaded from compromised websites, and organizations are urged to implement security best practices to mitigate this ongoing threat, with companies like Technijian offering specialized defense services. ... Read More
Oracle Data Breach Allegations 2025

Oracle Denies Shocking Data Breach Claims: Hacker Alleges Theft of 6 Million Records

Ravi Jain
A hacker known as "rose87168" is claiming to have breached Oracle Cloud, alleging the theft of six million sensitive records and offering this data for sale. Oracle has strongly refuted these claims, asserting that their cloud services were not compromised and no customer data was lost. Despite Oracle's denial, cybersecurity experts are advising users to take precautionary measures like monitoring access logs and rotating credentials. The alleged breach purportedly exploited a vulnerability in a software package used by Oracle, with the hacker claiming to have provided proof of access. The cybersecurity community is currently divided on the validity of these claims. Technijian, a cybersecurity firm, recommends proactive security measures for Oracle Cloud users, regardless of the breach's confirmation. ... Read More
OAuth Attacks Target Microsoft 365 & GitHub

OAuth Attacks Target Microsoft 365, GitHub: A Deep Dive into the Latest Threats

Ravi Jain
Ongoing cyberattacks are exploiting the OAuth protocol on platforms like Microsoft 365 and GitHub. Cybercriminals are using deceptive tactics with fake applications mimicking trusted brands such as Adobe, DocuSign, and even GitHub itself. These malicious apps trick users into granting broad permissions, enabling attackers to gain persistent access and potentially redirect victims to phishing sites or deploy further attacks, targeting sectors with sensitive data. Organizations are advised to implement strong security measures, including limiting app permissions, employing conditional access policies, regularly auditing applications, and educating users to recognize these evolving threats. ... 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