27/3334–6FE Reference Handbook 10.4 · Ethics · NSPE Code

Handbook formula

Confidentiality of Client and Employer Information

Engineers shall not disclose confidential information concerning the business affairs or technical processes of a client or employer without consent, except as required by law or to prevent harm to the public. Confidentiality survives project close-out and a change of employer.

Nondisclosure of confidential information
Law or imminent public harm
Written client/employer authorization

Step-by-step solved example

After leaving Firm A, a PE is asked by Firm B to reuse unreleased process data from A's client. Allowed?

  1. 1. Whose data

    The process data remain confidential to A's client.

  2. 2. Rule

    Do not use or disclose without the client's consent. Decline, or proceed only with written authorization.

Answer: No, unless the original client consents in writing.

10 practice questions

0/10 correct

1.Client information is confidential

2.You may disclose confidential data when

3.Using Client A's unreleased data for Client B is

4.After leaving a firm, former client secrets

5.Confidentiality yields to

6.A client's unpublished unit costs learned at work

7.Photos of a confidential plant process on LinkedIn

8.Subconsultants should receive confidential info

9.An unpaid invoice

10.Trade secrets learned on the job