DentaQuest Data Breach by ShinyHunters Affects 2.6 Million Accounts

Dentaquest Hit with Cyberstrike Affecting 2.6M Dental benefits administrator hit with cyberstrike affecting 2.6M | DrBicuspid.com Dental benefits administrator and insurance provider DentaQuest was hit recently by a cybersecurity incident, allegedly exposing the personal data of 2.6 million accounts, according to a story published June 4 on Bleeping Computer . DentaQuest wrote in a statement posted June 1 on its website that it’s actively managing the data breach, which involved “unauthorized access to a limited portion of our network.” Despite the incident, DentaQuest’s systems are fully operational with limited disruption to its customers, according to a statement. In May, extortion group ShinyHunters listed DentaQuest on its data leak site, claiming it had 234GB of stolen data, including names, government-issued identification cards, and health insurance information, from the company, according to Bleeping Computer . The cyber gang publicly released the stolen information after it reportedly could not reach an agreement with DentaQuest, according to the story. DentaQuest did not confirm the number of accounts affected. It stated that it took immediate action to mitigate the threat after discovering the incident. Furthermore, the company wrote in the statement that it was working with a cybersecurity expert, forensic investigators, and law enforcement. “We are working as quickly and carefully as possible to determine the exact scope of the incident, including the nature and extent of any data that may have been compromised,” DentaQuest stated. DentaQuest, which is part of Sun Life , serves more than 30 million members in U.S. and manages plans and provider networks for employers, individuals, Medicaid recipients, and Medicare Advantage beneficiaries. Data Breach Roundup (May 29 - June 4, 2026) Charter Communications data breach affects 4.9 million accounts An update to a breach from last week, there's not much new here except that we now know how many people were impacted. ShinyHunters claims the data includes consumer and business customer names, email addresses, physical addresses, phone numbers, phone types, plan information, support ticket data, and some CPNI data. Grand Theft Auto V cheat service gets hacked, exposing thousands of gamers Atlas Menu is a popular cheat service for Grand Theft Auto V online, and has now suffered a data breach. Stolen data includes email addresses, usernames, hashed passwords, IP addresses, and support tickets of about 64,000 accounts. There's no information in this article about how Atlas Menu was breached. Ultrahuman says hackers accessed customers’ wellness data via internal tool Ultrahuman sells smart rings and metabolic health-tracking devices that enable users to monitor metrics such as sleep, activity, and recovery. The startup is best known for its Ring Air, which competes with the Oura Ring. The company says the incident was the result of gaining credentials stolen from an employee’s malware-infected laptop. They have declined to say how many people or what data was impacted, citing an ongoing investigation. UN food agency discloses breach affecting 600,000 Gaza households The UN's World Food Programme (WFP) says that the self-registration application (SRA) for Palestine was breached. Affected data included names, ID numbers, phone numbers, and location information (such as neighborhood data recorded during registration). DentaQuest data breach exposed info of 2.6 million accounts DentaQuest, is one of the largest dental benefits administrators in the United States. The breach is the result of the ShinyHunters ransomware gang, and impacts Email addresses full names, phone numbers, government-issued IDs, health insurance information, genders, and dates of birth. California AG sues 23andMe over 2023 breach exposing health data A small update to a story that just won't end. This breach alleges "failure to protect sensitive customer genetic and personal information." We will update you if there's any further information.

Shadow Tier lists Jun 8, 2026 as the signal date.

Dentaquest is the organization connected to this public signal.

This signal is connected to current ransomware incidents based on its reported incident context.

This signal is connected to data exposure and breach intelligence based on its reported consequences.