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2. BlackNurse - Wikipedia

   en.wikipedia.org/wiki/BlackNurse

   The BlackNurse attack is a form of denial of service attack based on ICMP flooding. The attack is special because a modest bandwidth of 20 Mbit/s can be effective for disrupting a victim's network. [1] The attack consists of sending ICMP Destination Unreachable packets to a destination. This works because these packets caused the destination to ...

3. Denial-of-service attack - Wikipedia

   en.wikipedia.org/wiki/Denial-of-service_attack

   Diagram of a DDoS attack. Note how multiple computers are attacking a single computer. In computing, a denial-of-service attack (DoS attack) is a cyberattack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to a network.

4. Communication is key in managing cyberattack: Optum CEO - AOL

   www.aol.com/finance/communication-key-managing...

   The American Hospital Association (AHA) has advised health systems to disconnect from Change Healthcare and to create alternate plans in the event the attack continues for longer than expected.

5. DDoS mitigation - Wikipedia

   en.wikipedia.org/wiki/DDoS_mitigation

   Manual DDoS mitigation is no longer recommended due to the size of attacks often outstripping the human resources available in many firms/organizations. [5] Other methods to prevent DDoS attacks can be implemented, such as on-premises and/or cloud-based solution providers. On-premises mitigation technology (most commonly a hardware device) is ...

6. UnitedHealth Group has paid more than $2 billion to providers ...

   www.aol.com/news/unitedhealth-group-paid-more-2...

   UnitedHealth Group said Monday that it’s paid out more than $2 billion to help health-care providers who have been affected by the cyberattack on subsidiary Change Healthcare.

7. UnitedHealth's cyberattack should be a 'wake-up call' for ...

   www.aol.com/finance/unitedhealths-cyberattack...

   The attacks happen in all industries, but because healthcare entities are required to report them, they draw criticism for being ill-prepared and under-resourced.