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high severity October 04, 2023 · 3 min read Unverified claim — what this is

Neurosurgeons Listed by blacklock Ransomware Group

If you are a customer of Neurosurgeons, here’s what is being claimed, and what it would mean for you.

Neurosurgeons was listed on Blacklock's leak site. Blacklock claims to have stolen internal data. This is the group's claim, not a confirmed finding.

Neurosurgeons Listed by blacklock Ransomware Group

Neurosurgeons of New Jersey appeared on the blacklock ransomware leak site on October 04, 2023. The New Jersey medical practice, which employs 65 people and specializes in spine, brain, pediatric, and cerebrovascular care, is claimed to have had internal files exfiltrated during a ransomware attack. The leak-site listing does not specify the number of records affected or the exact data types stolen.

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Primary Disclosure Details

The blacklock leak site lists Neurosurgeons of New Jersey under its active victims and provides a direct link to what it claims are stolen internal files. The disclosure states that the data was taken in a ransomware attack but gives no further breakdown of volume or content. Public trackers such as ransomware.live mirror the original onion-site posting, claiming the October 4, 2023 publication date. The practice itself has not released a public breach notification detailing the incident, so the precise scope remains unknown to outsiders.

Internal files exfiltrated is the only description the attackers have published. No patient record count, no mention of specific systems such as electronic health records, and no ransom demand figure appear in the listing.

Why This Matters for You and Your Family

When a medical practice loses control of internal files, anyone who has ever been a patient, an employee, or a vendor risks exposure. Medical practices routinely store names, dates of birth, Social Security numbers, insurance details, clinical notes, and sometimes family contact information. Even if the exact contents are not yet public, the mere fact that attackers have the data creates immediate identity risk for you and anyone whose records were held by the clinic.

Smaller practices like Neurosurgeons of New Jersey often lack the security budgets of large hospital networks. A breach here can affect thousands of local families in New Jersey without any immediate way for those families to know their information is circulating among criminals.

Doxxing and Identity-Chain Implications

Stolen internal files frequently contain more than clinical data. They can include employee directories, vendor contracts, email correspondence, and spreadsheets that link personal identifiers to home addresses, phone numbers, and even children’s names. Once attackers possess these connections, they can chain them with other breaches to build detailed profiles.

A single leaked email or phone number from this incident can be correlated with gaming accounts, social-media handles, or school records. This is exactly why credential leaks like this one cascade into account takeovers. Criminals target children’s gaming accounts because those often reuse the same passwords or recovery emails as adult accounts tied to the same household. The result is a widening doxxing chain that can expose your entire family’s digital footprint.

Blacklock Group’s Known Track Record

Public reporting attributes the blacklock ransomware operation to a group that emerged in early 2023. The actors typically gain initial access through phishing or exploited remote desktop protocols, exfiltrate data before deploying encryption, and then post samples on their leak site to pressure victims into payment. Notable prior targets have included other small-to-medium healthcare providers and professional service firms. Their playbook relies on quiet data theft followed by public shaming rather than widespread encryption, which keeps their attacks under the radar of some traditional ransomware trackers.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup of exposed data.
  • Rotate any password you ever used at Neurosurgeons of New Jersey and enable 2FA through an authenticator app on every account where that password was reused.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours rather than months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts that often chain back to the same address or recovery details.
  • Let remediation specialists handle takedown requests for any personal information already appearing on data-broker or extortion sites.

The incident shows that even specialized medical practices remain attractive targets and that the data stolen today can fuel identity crimes for years. Start your DoxxScan trial and use its continuous monitoring, AI-powered identity-chain mapping, and hands-on remediation by specialists to protect yourself and your family, including gaming accounts that criminals love to hijack. Doing so turns a passive breach into an active defense.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo
value redacted in this samplephone, household, property recordsBeenVerified
value redacted in this sample582 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.

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Report details & sourcing

Severity High
Disclosed October 04, 2023
Last reviewed August 8, 2026
Affected Unconfirmed
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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