Description: Walmart Canada was also a victim of a data breach incident of PNI Digital Media, a photo site that collects customers’ payment information for it. The data breach exposed the card information data of millions of users. Walmart with the help of Canadian authorities immediately launched an investigation and contacted the customers who were impacted by the breach.

Description: A cybercriminal has admitted to hacking businesses like Uber, Sainsbury's, and Groupon to sell customers' personal information on the dark web. The other targets included Nectar, T-Mobile, Asda, Ladbrokes, Coral, and Argos. The data comprised all the information required to complete an online purchase and was then promoted and sold to clients through his dark website. The firm is thought to have lost more than £200,000 due to the theft, although no financial data was collected. West pleaded guilty to two counts of conspiring to defraud, one count of hacking a computer, four counts of possessing and supplying marijuana, two counts of having criminal property, and one crime of money laundering Bitcoins. The leaked data is related to a security breach on a third-party vendor.

Description: Sam's Club, a subsidiary of Walmart, is investigating a potential security incident following claims of a breach by the Clop ransomware gang. Clop has added Sam's Club to its leak site but has not yet released proof. The breach may involve the exploitation of a zero-day vulnerability in Cleo file transfer software, which Sam's Club may have used. Prior incidents include credential stuffing in 2020, but the current situation remains under investigation with no explicit customer or employee data known to be compromised.

Description: Sam’s Club, a division of Walmart Inc., is investigating a possible cyberattack referenced by the Clop ransomware gang on a leak site. Despite Clop’s mention, there is no specific information made public suggesting exfiltration of company or customer data. With over $86 billion in net sales and about 600 warehouse clubs, Sam’s Club has not confirmed any cyber intrusion or security incidents. The threat is linked to zero-day vulnerabilities in MOVEit and Cleo file transfer software, exploited by Clop for data extortion, highlighting a shift from file encryption to data theft for monetization.

Description: A vulnerability in the online grocery store of Asda, the second-largest supermarket in the UK, exposed customers’ personal information and payment details for nearly two years. Over 19 million transactions were at risk of getting hacked in that period. Asda fixed the vulnerability shortly after Mr Moore published a detailed blog after 677 days to report the vulnerability.