Corey Christiansen, APS’s public information officer, stated the cause for the outage was “potential suspicious activity” spotted within the network Monday.

The entire Aurora Public School District is now on day three of no internet or phone service. Some employees noticed some potentially suspicious activity within their network and reported it on Monday.

The district's schools and offices have been without phone and internet service since Monday morning. AURORA, Colo. — Aurora Public Schools will operate on a two-hour delayed start Thursday and Friday due to an internet and phone outage.

Aurora Public Schools (APS) is working to address a districtwide internet and phone outage after "potential suspicious activity" was noticed early Monday morning.