A security engineer discovers that a spreadsheet containing confidential information for nine of their employees was fraudulently posted on a competitor's website. The spreadsheet contains names, salaries, and social security numbers. What is the next step the engineer should take in this investigation?
A) Determine if there is internal knowledge of this incident.
B) Check incoming and outgoing communications to identify spoofed emails.
C) Disconnect the network from Internet access to stop the phishing threats and regain control.
D) Engage the legal department to explore action against the competitor that posted the spreadsheet.

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The Answer of A security engineer discovers that a spreadsheet containing confidential information for nine of their employees was fraudulently posted on a competitor's website. The spreadsheet contains names, salaries, and social security numbers. What is the next step the engineer should take in this investigation?
A) Determine if there is internal knowledge of this incident.
B) Check incoming and outgoing communications to identify spoofed emails.
C) Disconnect the network from Internet access to stop the phishing threats and regain control.
D) Engage the legal department to explore action against the competitor that posted the spreadsheet.

A Security Engineer Discovers That a Spreadsheet Containing Confidential Information