What is a Firewall? | Roles, Types, and Why Security Devices Themselves Become Targets of Attack

In October 2026, it was announced that a critical vulnerability in PHP (commonly known as PHP2Shell) was used in an attack ...

A Beginner's History of Modern Haiku, Part 11, Chapter 2, Section 5: The Great Kanto Earthquake and Haiku

If I see them in a dream, even death is nostalgic, winter tree wind. — Boku Tomita I. The Haiku Poet Who Burned to DeathI ...