Green Valley: Personal Data of California Town Stolen
The small town of Grass Valley, California made it public on January 7 that its network had been compromised (The town is not to be confused with Grass Valley, Nevada, which suffered a ransomware attack in the summer of 2021). Grass Valley has a population of around 13,000. Upon an investigation by an outside cybersecurity firm, it is believed that the attackers had access to the city’s computer systems between April 13, 2021, and July 1, 2021. The attacking party transferred files during this period to an offsite location. No report of a ransomware attack was mentioned in the notice.
|IDENTIFY INDICATORS OF COMPROMISE (IOC)|
The assembled cybersecurity team reviewed all the file directories and determined that the following information had been exfiltrated from the network:
|CONTAINMENT (If IoCs are identified)|
Upon discovering the breach, the city quickly shut down its network and called in an outside security team to head the investigation. An extensive review was implemented to figure out how the breach occurred and how to enhance the existing protocols of the city’s network. The city notified all affected individuals and is offering them a one-year membership to Experian’s credit monitoring service.
There are several key steps that enterprises can take to protect against a data breach. These include the following:
Ensure your Incident Response Readiness in the event of attack. Review your security and risk profile.
HALOCK Breach Bulletins
Recent data breaches to understand common threats and attacks that may impact you – featuring description, indicators of compromise (IoC), containment, and prevention.