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high severity July 12, 2023 · 3 min read Unverified claim — what this is

USGS Listed by fog Ransomware Group

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

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

USGS Listed by fog Ransomware Group

On July 12, 2023, the United States Geological Survey was listed on the leak site operated by the fog ransomware group. The entry states that internal files were exfiltrated during a ransomware attack on the federal agency responsible for science and mapping that supports everything from earthquake monitoring to water-resource management. Anyone whose personal information has ever passed through USGS systems, including researchers, contractors, permit applicants, or members of the public who submitted data, may now face heightened exposure.

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Details from the Leak-Site Listing

The fog leak site, accessible via the .onion address indexed by ransomware.live, claims that internal files were exfiltrated. The posting does not quantify the number of records affected, nor does it list specific data types such as names, Social Security numbers, or financial details. It simply states that data was taken and that the agency did not meet the group’s demands. The disclosure indicates the incident occurred prior to the July 12 publication date, but provides no exact breach timeline or description of the initial access vector. Public reporting on similar fog postings shows the group typically posts a sample of stolen material and a countdown timer before releasing the full archive.

Why This Matters for You and Your Family

Federal agencies like the USGS routinely collect and store information that ordinary people provide: addresses tied to property surveys, contact details for scientific correspondence, licensing information for researchers, and location data linked to environmental reports. When those records are stolen, the exposure is not abstract. Threat actors can combine them with other leaks to build profiles that reveal where you live, where your family spends time outdoors, or which family members have interacted with government science programs. Even if your name is not on the front page of the leak, the internal files exfiltrated can still contain spreadsheets, emails, or databases that reference private citizens.

The Doxxing and Identity-Chain Implications

Ransomware leaks rarely stay contained to one dataset. A single exposed email or username from a USGS file can be correlated with credentials stolen from unrelated breaches, gaming platforms, or social-media accounts. This creates an identity chain that leads directly back to you and your household. Children’s accounts are especially vulnerable because parents often reuse email addresses or passwords across family gaming logins and government-related registrations. Once an attacker maps those connections, harassment, targeted phishing, or even physical threats become practical. The fog listing adds another high-value government dataset to the pool of material circulating in underground markets.

Fog Ransomware Group Track Record

Public reporting attributes the fog ransomware group’s emergence to late 2022. The gang has targeted healthcare providers, educational institutions, and government entities, following a double-extortion model that combines encryption with data theft and public shaming. Notable prior victims include smaller municipalities and private-sector firms whose data appeared on the same leak site now hosting the USGS entry. Their typical playbook begins with phishing or exploitation of remote-access software, followed by exfiltration of sensitive folders before encryption. The group then posts proof on their onion site and issues a payment deadline, threatening full publication if unpaid. The USGS listing fits this established pattern.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity drawn from the 13.1 billion+ breach records now circulating.
  • Rotate any password you have ever used on USGS-related accounts or research portals and enable 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 100-plus platforms so the next credential leak that touches your household is caught and acted upon in hours instead of months.
  • Cover the entire household with DoxxScan family protection that extends to dependents and children’s gaming accounts, which frequently chain back to the same addresses and emails exposed in government breaches.
  • Let DoxxScan remediation specialists manage takedown requests for any personal data already appearing on broker sites or forums tied to this incident.

The USGS listing on the fog ransomware site is a reminder that government data breaches quickly become personal when the stolen material can be stitched together with everyday account details. Acting quickly on credential hygiene and identity mapping limits how far attackers can travel down the chain that leads to your front door. DoxxScan by GalaxyWarden delivers that continuous monitoring across 13.1B+ breach records and 100+ platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full family and household coverage that includes children’s gaming accounts. Start protecting what matters most before the next leak appears.

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.

Check your exposure
Usgs is one listing. Your email is probably in others.
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Report details & sourcing

Severity High
Disclosed July 12, 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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