Cyberattack on City of Long Beach affects about 500,000 people
The City of Long Beach, California, was hit by a cyberattack in 2023, took city systems offline and declared a state of emergency. The city council moved to hold a closed session to discuss the threat to public services. In April 2025, it was reported that about 500,000 people were affected.
Key facts
- Affected organization
- City of Long Beach
- Incident type
- Hacking & intrusion
- Occurred / detected
- Not confirmed
- Scale of damage
- About 500,000 people
- Cause / method
- Not confirmed
- Location
- United States
Timeline
- The City of Long Beach declared a state of emergency and took city systems offline in response to a cyberattack.
- The city council announced a closed session to discuss the cyberattack's threat to public services.
- It was reported that about 500,000 people were affected by the 2023 cyberattack.
4 related reports
- Long Beach declares emergency in response to cyberattack, pulls city systems offline
- What city services are still working after the cyberattack on Long Beach?
- City Council to meet behind closed doors to discuss cyberattack’s threat to public services
- Nearly 500,000 impacted by 2023 cyberattack on Long Beach, California
Other incidents at City of Long Beach
Long Beach emergency alert system down for a month after cyberattack
Impact: Emergency alert system out of service for about a month
The City of Long Beach's emergency alert system was knocked out by a cyberattack. As of December 9, 2025, the system had not been operating for the past month, and whether it has been restored and the response have not been confirmed.
Read on Long Beach Post ↗
The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.