Cyber-attack on City of Long Beach affects about 500,000 people
The City of Long Beach, California, was hit by a cyber-attack 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 had been affected.
Key facts
- Affected organisation
- 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 cyber-attack.
- The city council announced a closed session to discuss the cyber-attack's threat to public services.
- It was reported that about 500,000 people had been affected by the 2023 cyber-attack.
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 cyber-attack
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 cyber-attack. As of 9 December 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 organisation’s official statements for accurate details.