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Regular vigilance. Ordinary activity compromises an unprotected network minutes to hours after first being connected to the Internet. |
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Increased vigilance. Vulnerabilities or threats to computer networks require vulnerability assessment and corrective action. |
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Focused attacks. Specific vulnerabilities and weaknesses are the target of Internet attacks and require immediate defensive action. |
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Catastrophic threat. Critical security situations within a network dictate an immediate and focused defensive action. This condition may be imminent or ongoing. |
