On 11 January 2023, CSL detected a cyber incident (the “Breach”). The exact timing of the Breach remains unclear. However, based on information available, we understand that the ransomware group responsible for the attack created a website to display sample data, which reportedly went live on 9 January 2023.
Cybersecurity experts have indicated that the timestamp associated with the breached data is 30 November 2022. These experts suggest that the Breach likely occurred between 30 November 2022 and 9 January 2023. It has also been noted by experts that such groups typically act swiftly once a target is identified. Accordingly, it is believed that the initial penetration into the system was likely no more than four weeks prior to the data timestamp.
Following review, KP Law is no longer pursuing this claim. As a result, no further claims in connection with the breach can be accepted.
Cybersecurity experts have assessed the scope of the compromised information. Based on their analysis, the breached data is likely to include sensitive information from Chesterton’s customers. This includes:
The risks of identity theft or fraud are significant. Those affected should take immediate steps to protect their personal information.
KP law previously assisted individuals in assessing potential claims relating to the Chesterton’s breach. However, the group action is now closed and no further actions will be taken on this case.
This data breach increases the likelihood of cyberattacks, such as phishing and identity theft. We advise victims to remain vigilant and take steps to protect their information.
Cybercriminals could exploit the exposed data for targeted attacks, combining it with other available information to enhance their efforts. Victims also face ongoing risks, as sensitive details, including banking and personal records, remain valuable for malicious purposes.
Although we are no longer taking new claims, if you have concerns about your personal data following the Chesterton’s breach, you may consider reporting the matter to the Information Commissioner’s Office (ICO) or seeking independent legal advice.
This breach has highlighted significant gaps in CSL’s cybersecurity infrastructure. Given the severity of the incident, CSL is now under pressure to enhance its security measures and prevent further attacks.
Individuals affected by the recent breach should take immediate steps to safeguard their information. Consider monitoring your accounts, activating multi-factor authentication, and being cautious with unsolicited communications.
FAQs about the CSL Data Breach
Cyber experts advised that CSL likely experienced a data breach on 11 January 2023, though the attack likely took place between 30 November 2022 and 9 January 2023. A ransomware group published sample data online, exposing personal details.
The compromised data includes approximately 750,000 data rows, with 80,000 emails, passwords, passport information, addresses, bank details, and credit card information. Correspondence related to vetting, landlord disputes, and health records was also included.
Yes. Experts believe stronger cybersecurity measures and proactive monitoring could have prevented the breach.
CSL detected the incident internally, but the ransomware group publicly displayed stolen data on 9 January 2023.
Individuals whose personal or financial data was exposed face risks of phishing, identity theft, and financial fraud.
No. The group action for this breach is now closed and we are no longer accepting claims in relation to it.
