The core technology of information security lies in attack and defense, that is, attack technology and defense technology, only to master the attack technology in order to achieve better security.

信息安全的核心技术在于“攻防”，即攻击技术和防御技术，只有掌握攻击技术才能更好做到安全防御。

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University degree (preferably at master's level) in the field of Information Technology or related disciplines.

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Tejal Master, of Houston, a 32-year-old information technology analyst, is six months pregnant with her second child and has a convertible drop-side crib that she bought for her son, Daivik, now one year old.

WSJ: Manufacturers Discuss Safety Features of the 'Modern' Crib