CISA is aware of open-source reporting of targeted denial-of-service (DoS) and distributed denial-of-service (DDoS) attacks against multiple organizations in multiple sectors. These attacks can cost an organization time and money and may impose reputational costs while resources and services are inaccessible.
If you think you or your business is experiencing a DoS or DDoS attack, it is important to contact the appropriate technical professionals for assistance.
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Source: U.S. Cybersecurity and Infrastructure Security Agency