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Dentaquest cybersecurity incidents and threat signals
dentaquest.com
This company page brings together public reporting currently associated with Dentaquest. It reflects signals published by Shadow Tier and should not be read as a complete incident history.
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July 22, 2026
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Based on all published signals currently linked to Dentaquest. Affected countries come from victim data; the company country above remains a separate profile fact. Counts describe this reporting set, not overall incident prevalence.
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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.
DentaQuest Data Breach: ShinyHunters Threatens to Leak Data, Company Confirms Investigation
Attorneys working with ClassAction.org are looking into whether a class action lawsuit can be filed in light of the DentaQuest data breach. As part of their investigation, they need to hear from individuals who may have had their information exposed in the incident , including current and former DentaQuest members. DentaQuest Security Incident: What Happened? DentaQuest, a nationwide dental and vision insurance provider, has experienced a data breach involving the sensitive information of potentially millions of Americans. According to a notice posted to its website on July 16, 2026 , DentaQuest detected on May 20, 2026 that unauthorized individuals had accessed certain data on its computer network. The company eventually determined following an investigation with independent cybersecurity experts that the breach occurred between May 17, 2026 and May 20, 2026, resulting in the acquisition and publish of sensitive information online. The notice states that the information affected by the DentaQuest data breach included names, addresses, Social Security numbers, member identification numbers, Medicaid and Medicare numbers, as well as dental or vision health information, including provider names, diagnoses, treatments and billing information. Dentaquest began sending affected individuals notice of the data breach, a sample of which can be seen below, on July 17, 2026. Though the total count has not been publicly disclosed, state government offices have preliminarily indicated that the body of affected individuals includes approximately 522,000 Massachusetts residents , 3,973,000 Texas residents and 17,100 South Carolina residents . What You Can Do After the DentaQuest Data Breach If your information may have been exposed in the DentaQuest data breach, attorneys want to hear from you. You may be able to start a class action lawsuit to recover compensation for loss of privacy, time spent dealing with the breach, out-of-pocket costs, and more. A successful case could also force DentaQuest to ensure they take proper steps to protect the information they were entrusted with. Possibly affected by the DentaQuest data breach? Fill out the form on this page today. If you believe your information may have been exposed in the DentaQuest data breach, fill out the form on this page to get in touch with us. An attorney or legal representative may then reach out to you to explain more about this investigation and ask you a few questions. Remember, there is no cost to get in touch, and you are under no obligation to take action after speaking to someone. New cases and investigations, settlement deadlines, and news straight to your inbox. Whitfield Regional Hospital Data Breach 2026 Community Health Center of Buffalo Data Breach 2026 Advantage Home Health Care Data Breach 2026 Unlimited Technology Systems Data Breach 2026 Heart Care Centers of Illinois Data Breach 2026 Clover Health Investments Data Breach 2026 In May 2026, the dental benefits administrator DentaQuest was the target of a ShinyHunters "pay or leak" extortion campaign that resulted in the group publicly publishing hundreds of gigabytes of data allegedly obtained from the company. The data included 2.6M unique email addresses along with names, addresses and phone numbers. Much of the data appeared in healthcare enrollment files ( ASC X12 transaction sets ) with some containing Medicaid IDs, while additional data appeared in member records and related files. DentaQuest acknowledged "a cybersecurity incident involving unauthorized access to a limited portion of our network" , and advised they had contained the attack and mitigated the threat. Use a password manager to generate and store strong, unique passwords for all your accounts. 1Password helps protect your data with industry-leading security. In Nederland adviseert een samenwerking van publieke en private organisaties mensen over hun online veiligheid op veiliginternetten.nl. If you haven’t already changed the password affected by this breach, do so immediately on every account where it was used. Wherever 2FA is supported, add an extra layer of security to your account.
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Questions about Dentaquest cybersecurity reporting
What does the Dentaquest page include?
It combines a reviewed organization profile with all current published Shadow Tier signals explicitly linked to Dentaquest.
Does every mention of Dentaquest appear here?
No. A signal must contain a reliable company connection and meet the publication criteria; incidental or ambiguous mentions are excluded.
Why can the incident count change?
The page follows current published reporting. Counts change as new evidence is added, classifications are reviewed, or older signals leave the reporting window.