Windows BitLocker Zero-Day Exploit Released: YellowKey Bypass and GreenPlasma PoC Detail Critical Flaws

A researcher published proof-of-concept exploits for two unpatched Windows vulnerabilities: YellowKey, a BitLocker bypass affecting Windows 11 and Server 2022/2025 via WinRE, and GreenPlasma, an incomplete privilege escalation flaw. The exploits work even in TPM-only BitLocker setups, highlighting risks in automatic decryption workflows. Read more

What Is JPCERT/CC, and How Should Global Security Teams Use Its Alerts?

JPCERT/CC is Japan's Computer Emergency Response Team/Coordination Center, issuing alerts and weekly reports on vulnerabilities affecting software and systems used globally. This guide explains what JPCERT/CC alerts contain, their limitations, and how global security teams can integrate them into routine vulnerability monitoring without overinterpreting their scope or urgency. Read more

How Security Teams Can Monitor KISA and KrCERT Notices for South Korea Cyber Risk

Use the official KISA/KrCERT vulnerability feed as a primary source for South Korea cyber risk monitoring. This evergreen workflow provides concrete steps for tracking vulnerability notices, vendor risk, public-sector alerts, and regional exposure without implying recency or requiring hard thresholds. Read more

How to Use JVN Vulnerability Notes for Japanese Product and Supplier Exposure Monitoring

Global security teams can monitor Japanese product vulnerabilities and supplier risk by using the JVN feed as a primary source. This guide outlines concrete steps for tracking exposure, assessing patch urgency, and managing cross-border risk without requiring numeric thresholds or fixed review cadences. Read more

Multiple Vulnerabilities Found in Fujitsu Japan’s Musetheque V4 Information Disclosure for IPKNOWLEDGE

Fujitsu Japan's Musetheque V4 Information Disclosure for IPKNOWLEDGE contains multiple vulnerabilities, including XSS (CVE-2026-24662) and CSRF (CVE-2026-28761), allowing attackers to execute arbitrary scripts or perform unintended actions via crafted files or pages when users are logged in. Fixes are available in revision rev2603.1. Read more

Cross-Cultural Collaboration Identified as Core Challenge in Global Cybersecurity Governance at Taiwan Cybersecurity Conference

Experts at Taiwan Cybersecurity Conference highlight that the greatest obstacle in multinational cybersecurity governance is not technology, but cultural and cognitive misalignment across teams, requiring deliberate alignment on risk understanding, roles, and communication to overcome interpretation gaps and differing workplace norms. Read more

Trojan and Phishing Dominate Korean Phishing Email Attachments in April 2026

In April 2026, Trojan malware accounted for 47% of phishing email attachments in South Korea, followed by phishing payloads at 39%, according to ASEC analysis. Attackers used social engineering lures like fake tax invoices and logistics notifications, with Trojans often delivered via double-extension files and phishing via HTML spoofs. The share of phishing malware rose from 21% to 39% month-over-month. Read more