high severity June 05, 2026 · 3 min read Unverified claim — what this is

Xsolis Data Breach Exposes PHI for 1.4 Million via Phishing

If you were named in this filing, here’s what is being claimed, and what it would mean for you.

Healthcare technology firm Xsolis disclosed a data breach after a targeted phishing attack in January 2026 allowed unauthorized access to files containing personal and protected health information received from hospital and payer clients. The breach affects 1,396,519 individuals. No ransomware claim was reported and there is no known misuse of the data.
— from the group that posted this listing’s own leak-site posting. This is the group’s claim, quoted verbatim; it is not GalaxyWarden’s reporting and has not been independently verified.

Xsolis Data Breach Exposes PHI for 1.4 Million via Phishing

A healthcare technology company called Xsolis has disclosed that a phishing attack in January 2026 allowed unauthorized access to files containing personal information and protected health information for 1,396,519 individuals.

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Phishing Attack Details

According to public reporting, the breach occurred when attackers used targeted phishing to gain entry into Xsolis systems. The company, which works with hospitals and health payers, had received the sensitive files from its clients. The exposed data includes names, Social Security numbers, medical records, and other protected health information. SecurityWeek and BleepingComputer both reported that no ransomware group claimed responsibility and that Xsolis has found no evidence the information has been misused so far. The company notified affected individuals and regulatory authorities as required by law.

Why Health Data Is Valuable

This incident matters because your medical history, Social Security number, and personal details are among the most valuable pieces of information to identity thieves. Once criminals have your health records and SSN, they can open accounts in your name, file fraudulent tax returns, or sell the data on underground markets. For you and your family, the breach creates years of potential risk because health data does not expire the way a credit card number does. Children’s records are especially concerning since their identities often go unmonitored for long periods, giving thieves a clean slate to build fraudulent histories.

Doxxing and Identity Risks

The doxxing and identity-chain implications are serious. A single leak like this frequently cascades across platforms. Criminals combine the exposed email addresses, phone numbers, and SSNs with usernames found on gaming sites, social media, or older breaches. This creates a detailed map linking your online handles to your real identity, address, and family members. What begins as a healthcare breach can lead to account takeovers on email, banking, or gaming services, followed by harassment, extortion, or further leaks of private information.

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Sample resultyou@email.comIllustrative — not a real person

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value redacted in this sampleage, relatives, address historySpokeo

value redacted in this samplephone, household, property recordsBeenVerified

value redacted in this sample580 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach

unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

Report details & sourcing

Severity High identifiers that cannot be reissued, alongside documents or accounts that can be misused now

Disclosed June 05, 2026

Last reviewed August 8, 2026

Affected 1.4M

Data exposed personal-informationprotected-health-informationssnmedical-records

By GalaxyWarden Threat Research · Editorial & sourcing standards

Unverified claim — what this report is

This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.

Editorial & sourcing policy

GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.

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high January 26, 2026