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high severity August 09, 2023 · 3 min read Unverified claim — what this is

octoso.de Listed by lockbit3 Ransomware Group

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

Octoso GmbH is a professional Microsoft Dynamics partner and offers ERP and software solutions based on Microsoft Dynamics 365 Business Central.

— from LockBit’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.
octoso.de Listed by lockbit3 Ransomware Group

On August 09, 2023, German Microsoft Dynamics partner Octoso GmbH appeared on the LockBit 3.0 ransomware leak site, claiming that the company suffered a ransomware attack in which internal files were exfiltrated.

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Reported Details from the Listing

The LockBit 3.0 leak page states that Octoso GmbH, a professional services firm focused on ERP and software solutions built on Microsoft Dynamics 365 Business Central, had files stolen during a ransomware incident. The listing does not quantify how many records were taken, name specific data types beyond “internal files,” or disclose the exact date of initial compromise. It simply presents the company name, a sample of allegedly stolen documents, and the standard LockBit countdown timer used to pressure victims into payment. No separate breach notification from Octoso has surfaced publicly, so the precise scope of exposed information remains unknown to outsiders.

Why This Matters for You and Your Family

When a business like Octoso that handles financial, operational, and customer data for other companies is breached, the ripple effects reach ordinary people. If you or your family are customers of any Octoso client, your invoices, contracts, contact details, or payment records may sit inside the stolen files. Even without exact record counts, the disclosure indicates that sensitive business documents left the company’s control. For individuals this often translates into heightened risk of phishing, identity fraud, or unexpected mailings that appear to come from legitimate partners. The incident is another reminder that your personal information is frequently held by vendors you never directly chose.

The Doxxing and Identity-Chain Risks

Ransomware leaks rarely stop at the first company. Stolen internal files frequently contain spreadsheets of customer contacts, email addresses, phone numbers, and partner lists. These details become the starting point for doxxing chains that link corporate identities to personal accounts. A leaked work email can be matched to your personal accounts, gaming profiles, or family addresses, especially when the same password was reused. Public reporting on LockBit shows that actors often publish additional samples over days or weeks, increasing the chance that names tied to Octoso will surface on other forums. Credential leaks like this one cascade into account takeovers, turning a single business breach into long-term exposure for you and your household, including children’s gaming accounts that share the same contact information.

LockBit 3.0 Track Record

Public reporting attributes the LockBit 3.0 operation to a ransomware-as-a-service model that first gained prominence in early 2020 and rebranded to version 3.0 in 2022. The group has hit hospitals, manufacturers, logistics firms, and technology service providers across dozens of countries. Their typical playbook involves initial access through compromised remote desktop credentials or phishing, followed by rapid lateral movement, data exfiltration, and then dual extortion: demanding ransom to decrypt systems and a second payment to prevent publication of stolen files. LockBit 3.0 is known for aggressive leak-site timers and for sometimes releasing data even after payment, making any appearance on their site a high-severity signal regardless of whether the victim ultimately paid.

What to do

  • Run a DoxxScan to map every link between your email addresses, phone numbers, usernames, and real-world identity so you can see exactly where Octoso-related data may expose you.
  • Rotate any password you used at Octoso or any of its clients, then enable 2FA with 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 leak that touches your family is caught in hours rather than months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts, which often chain back to the same addresses or parent emails exposed in business breaches.
  • Let DoxxScan remediation specialists handle takedown requests for any personal records that appear on data-broker or extortion sites linked to this incident.

The Octoso listing is one more data point in the steady drumbeat of ransomware operations that treat stolen corporate files as public bargaining chips. Staying ahead requires visibility into how your information travels between businesses and criminal marketplaces. DoxxScan by GalaxyWarden delivers that visibility through continuous monitoring across 13.1B+ breach records and 100+ platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts. Start your DoxxScan trial today and close the gaps before the next leak surfaces.

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 August 09, 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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