Definition of "vulnerability" []

• Susceptibility to attack or injury; the state or condition of being weak or poorly defended. (noun)
• A specific weakness in the protections or defences surrounding someone or something. (noun)

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• "The increase in vulnerability is far more dramatic in the developing world, where in an average year tens of thousands of people die in weather-related disasters."
• "He concludes, "I believe sometimes our vulnerability is our strength.""
• "Well, the Internet messaging system then shut down part of its service after that hacking was discovered because of what it described as a vulnerability in the mobile posting system."