John Kevin Hao

John Kevin Hao is a news and feature writer covering cybersecurity, technology, and business targeted for professional audiences.
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Cyber threats and incidents

LangChain SSRF Bypass Vulnerability Enables Access to Internal Services

What happened A server-side request forgery vulnerability, tracked as CVE-2026-26019,...
Cyber threats and incidents

Eurail Stolen Traveler Data Offered for Sale on Dark Web

What happened Eurail B.V. confirmed that traveler data stolen in...
Cyber threats and incidents

Washington Hotel Ransomware Attack Compromises Servers and Business Data

What happened The Washington Hotel chain in Japan disclosed a...
Cyber threats and incidents

Keenadu Backdoor Found Embedded in Android Firmware and Google Play Apps

What happened Researchers at Kaspersky discovered a malware called Keenadu...
Cyber threats and incidents

Apache NiFi Vulnerability Enables Authorization Bypass in Data Flow Systems

What happened A high-severity vulnerability in Apache NiFi, tracked as...
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Shared Defence: Cybersecurity Leaders Protecting Research and Education

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Railways are built to last for decades, but the...

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Building the Profession: Europe’s Cyber Community Leaders to Watch

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A club of 1,200 French security executives. An ISACA...