An employee in the accounting department receives an email containing a demand for payment tot services performed by a vendor However, the vendor is not in the vendor management database. Which of the following in this scenario an example of?
A company ' s end users are reporting that they are unable to reach external websites. After reviewing the performance data for the DNS severs, the analyst discovers that the CPU, disk, and memory usage are minimal, but the network interface is flooded with inbound traffic. Network logs show only a small number of DNS queries sent to this server. Which of the following best describes what the security analyst is seeing?
An engineer has ensured that the switches are using the latest OS, the servers have the latest patches, and the endpoints ' definitions are up to date. Which of the following will these actions most effectively prevent?
The security operations center is researching an event concerning a suspicious IP address A security analyst looks at the following event logs and discovers that a significant portion of the user accounts have experienced faded log-In attempts when authenticating from the same IP address:

Which of the following most likely describes attack that took place?