The Japan Ground Self-Defense Force has recently faced an incident involving an infected USB drive. The mishap, causing a potential compromise of internal data security, was promptly addressed by Defense Minister Koizumi. While no significant damages have been reported as yet, the investigation is ongoing to analyze the extent of the breach and to implement corrective measures for future defenses.
In Japan, maintaining security, especially in defense-related matters, is paramount. The people value discipline, accuracy, and adherence to standards very highly. Such an incident would cause worry but trust in corrective action and strengthened security is expected from the officials.
In the US or EU, similar incidents would also be treated with severity. They would entail rigorous investigation, possible disciplinary action, and certainly revision of security measures. Defense related data breaches can have national security implications and thus, are seriously handled in all nations alike.