Privacy Notice for EAS Division and Department Websites

Effective Date: June 02, 2017


This Privacy Notice applies only to the website for Engineering and Applied Science Division (EAS) and its department websites. This is meant to help you understand our practices about the collection, use, and disclosure of visitor information. For all other Caltech websites, please check their respective privacy policies.


The EAS division may make changes to its privacy policy and this Notice in the future and those changes will be reflected with an updated effective date. Please check back periodically to view any changes.

Automatically Collected Information

Our web server logs collect and store certain system-related information automatically by different services we employ, as described below. This information includes:

  • The IP address from which a page is accessed
  • The date and time of access of our pages
  • The URLs of pages visited
  • The type of browser (e.g., Internet Explorer, Firefox, Safari, Chrome) used access our site
  • The operating system (e.g.,Windows, Unix, Macintosh) used to access our site
  • The URL of the referring site, if our websites are visited from another website.

This information is used to help us make our websites more useful for you. With these data, we learn about the number of visitors to our site and the types of technology our visitors use. The information collected may be used in aggregate to inform decisions about website content and structure. It may also be used for troubleshooting purposes, or to detect and investigate abuse. With the exception of abuse investigations, no attempts are made to identify individual users or their usage habits.

Information Collected for Tracking and Customization (Cookies)

Our websites use cookies to better serve visitors. A cookie is a piece of data that is either maintained only for the duration of a particular session visit (session cookie), or is stored on the user’s computer to support future visits (persistent cookie). Our websites use both. If you do not wish to have session or persistent cookies stored on your machine, you can turn them off in your browser settings. If you choose to disable your cookies, some of the features on our sites may be adversely affected.

Google Analytics

Our websites uses Google Analytics, which employs persistent cookies to help analyze how visitors use our websites. It may use a set of cookies to collect information and report website usage statistics without personally identifying individual visitors to Google. The main cookie used by Google Analytics is the ‘__ga’ cookie. Google will not associate your IP address with any other data held by Google. Google Analytics uses only first-party cookies for data analysis. This means that the cookies are associated with our subdomains of Caltech's domain. Google will use this information for statistical analysis reporting related to visitor browsing behavior at our division and department sites, and for compiling reports on website activity for website operators. Google may also transfer this information to third parties where required to do so by law, or where such third parties process the information on Google's behalf. You may refuse the use of cookies by selecting the appropriate settings on your browser; however please note that if you do this you may not be able to use the full functionality of our website. More information about Google Analytics and its use of cookies can be found here.

Google Custom Search Engine

Our websites uses Google Custom Search Engine (CSE) to search for pages within our Division and Department sites in their respective sites. It uses JavaScript or similar programming to render the Google search box. All queries sent from the sites to Google shall comply with the technical specifications that Google may provide from time to time. The displayed search results will be determined by some or all of the following: (a) the websites over which the search is to be restricted or filtered, as provided by us to Google Custom Search; (b) labels created by us, or a community of which we are a member, through the Google Site Search service or other service features that Google may make available from time to time as described in the Service documentation, which can be found at Google Privacy & Terms or other URL that Google may make available from time to time at its sole discretion. More information about Google Custom Search and its use can be found here.

Campaign Monitor

In certain portions of our site, you may voluntarily provide your name and email in order to receive updates about our publications and newsletters. For this purpose we use Campaign Monitor. Campaign Monitor is an email address management and message sending service provided by Freshview Pty Ltd. We will only use the information you provide to send you updates specifically for the lists that you signed up for. Your information will not be added to different newsletter or publication announcements or be sold. Providing the requested information indicates your consent to the collection, use, and disclosure of this information as described in this Notice. More information about Campaign Monitor and its use of your information can be found here.

Disclosure of Information

Other than sharing your information with other appropriate university personnel and units to ensure the quality, functionality, and security of our website, or manage your relationship with us, we will not disclose personally identifiable information about your use of the site except under the following circumstances:

  • With your prior written (including email) consent,
  • When we have given you clear notice that we will disclose information that you voluntarily provide, and the opportunity to oppose that disclosure, or
  • To appropriate external parties, such as law enforcement agencies, in order to investigate and respond to suspected violations of law or university policy. Any such disclosures shall comply with all applicable laws and university policies.

Web Site Security Notice

Unauthorized attempts to upload to, or change information on, this site are strictly prohibited and may be punishable by law, including under the Computer Fraud and Abuse Act of 1986, and the National Information Infrastructure Protection Act of 1996.


Our sites are not directed to children under 13 years of age, do not sell products or services intended for purchase by children, and do not knowingly collect or store any personal information, even in aggregate, about children under the age of 13. We encourage parents and teachers to be involved in children's Internet explorations. It is particularly important for parents to guide their children when they are asked to provide personal information online.

Comments Sent by Email

You may choose to provide us with personal information, for example in an email containing your comments or questions. We may use this information to improve our service to you or to respond to your request. There may be times when your message is forwarded to other Caltech employees who may be better able to help you.

Contact Information

If you have questions or concerns about this Notice, please contact us via email at