An employee in the billing department accidentally sent a spreadsheet containing payment card data to a recipient outside the organization.
The employee intended to send the spreadsheet to an internal staff member with a similar name and was unaware of the mistake until the recipient replied to the message.
In addition to retraining the employee, which of the following would prevent this from happening in the future?

Legacy medical equipment, which contains sensitive data, cannot be patched. Which of the following is the BEST solution to improve the equipment's security posture?

A security analyst has created an image of a drive from an incident.
Which of the following describes what the analyst should do NEXT?

A security analyst is auditing firewall rules with the goal of scanning some known ports to check the firewall's behavior and responses. The analyst executes the following commands:

The analyst then compares the following results for port 22:
nmap returns "Closed"
hping3 returns "flags=RA"
Which of the following BEST describes the firewall rule?

An analyst reviews a recent report of vulnerabilities on a company's financial application server.
Which of the following should the analyst rate as being of the HIGHEST importance to the company's environment?