Active Harmer Response: Run. Hide. Fight.

The University of Colorado Boulder offers a series of videos and classes on Active Harmer Response. These are designed for students, faculty and staff of the CU Boulder campus and some are generally held for the entire office staff or a group of combined offices who share work space.

  1. Active Harmer Response video (1 minute)
  2. Run. Hide. Fight. Surviving an Active Shooter Incident video (8 minutes)
  3. Class 1: Review basic statistical data and discuss the video “Run. Hide. Fight” as a group (90 minutes)
  4. Class 2: Review studies that have been conducted on workplace violence and active harmer events and the statistics derived from them (2.5 hours)
  5. Class 3: Site visit and table top exercise (1-3 hours depending on size of space)
  6. Class 4: Trauma Kit Training (2 hours)

Visit the CU Boulder Police Department for more information.


Be in the know. Know what to do. Keep your emergency notification information up-to-date for real-time information about campus closures, extreme weather and other emergencies—sent straight to your mobile via our text messaging service.  

In the case of campus emergencies, this website will be updated with community information as soon as it is available, usually within 15 - 20 minutes of the first text message alert. The University of Colorado Boulder is committed to providing timely warnings and/or emergency notifications for situations that represent a serious or continuing threat to the campus community.

User Sign-Up

  • CU Boulder students, you are automatically registered using your email address once you become an active student. We ask that you add a mobile number during course registration periods and update as needed in your MyCUInfo portal.
  • CU Boulder faculty and staff, you are automatically registered using your email address. Manage your mobile alerts number, and update as needed in your MyCUInfo portal. Instructions on how to do so can be found here.
  • CU Boulder partners with,,,, or email domains must still register and maintain their information at 
  • Affiliates who are not a student, faculty or staff and do not have one of the emails domains listed above can opt-in to CU Boulder Alerts to receive text alerts by texting “cuaffiliate” to 81437.

How to Find Information in an Emergency

  • On your cellular phone—Watch for text alerts in the case of a campus closure or if there is a threat to personal safety.
  • On your mobile device—Receive push notifications on your mobile device and/or tablet with Alertus Recipient App
  • On your computer—Watch for alert pop-ups on your computer for information regarding campus safety - download here.
  • On the web—Visit for detailed campus closure and emergency information and updates.
  • On the phone—Call the campus info line at 303-492-INFO (4636) for recorded information and updates relating to campus alerts.
  • By email—Check your official university email after an emergency for support and resource information.
  • On social media—Like CU Boulder on Facebook and follow @cuboulder and @cuboulderalerts on Twitter.