サイバー攻撃の概要とサイバーセキュリティ対策

抄録

Cyber security has become one of the primary topics in today's networked society. Cyber security, or information security, is about assuring confidentiality, integrity and availability of information resources, and attackers try to break them in various fashions. In this article, basic concepts about cyber security are presented, and primary threats, such as breach of secrecy, denial-of-service attacks and targeted cyber-attacks, and countermeasures, such as encryption and access control, are discussed.