Threats to computing systems are circumstances that have the potential to cause loss or harm; human attacks are examples of threats, as are natural disasters, inadvertent human errors, and internal hardware or software flaws.

• 对计算机系统的威胁是引起安全丧失或伤害的环境；人们的攻击是威胁的例子，如自然灾害，人们非故意错误和硬件或软件缺陷等。