[Alert 3] Vulnerability found in Java. Will apps stop? Will information leak? A detailed explanation of the current issue

On October 21, 2026, the IPA (Information-technology Promotion Agency) issued an alert regarding a vulnerability in Oracle ...

The era where AI rewrites old bank programs: What is COBOL, and why can't banks give it up?

Even when seeing news that "AI can now rewrite COBOL," many people don't even know what COBOL is in the first place.It also ...