Was t-systems.com hit by ransomware?

t-systems.com was listed by the safepay ransomware operation (Germany), and stolen data was published on the group's leak site. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the safepay ransomware group?

safepay is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

What data was leaked in the t-systems.com breach?

safepay published data attributed to t-systems.com. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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t-systems.com

Claimed by Safepay · listed 12 hours ago

Today

Age

since listed · data leaked

Status timeline

ListedOct 5, 2026
Data leakeddate unknown

At a glance

Group: Safepay
Status: Data leaked
Country: Germany
Sector: Technology
Listed on leak site: Oct 5, 2026

About the victim

AI dossier — public-source company profile

T-Systems is a major German ICT service provider and wholly owned subsidiary of Deutsche Telekom, headquartered in Germany with operations across 26 countries and over 26,000 employees. The company specializes in end-to-end digitalization and IT solutions for large enterprises, multinational corporations, and public-sector organizations, offering services including cloud computing, cybersecurity, AI, data platforms, SAP services, and infrastructure management.

Industry: Information and Communications Technology (ICT) Services
Address: Germany (headquarters); operations in 26 countries
Employees: 26000
Founded: 1995

Attack summary

Severity: high — T-Systems is a critical ICT infrastructure provider serving automotive, healthcare, finance, transportation, public sector and government clients across Europe. A confirmed breach of this vendor poses significant cascading risk to downstream customers and potentially to critical national infrastructure. However, severity is not elevated to 'critical' because the leak post provides no specific confirmation of regulated/sensitive data exfiltration, only a general claim and pending proof.

The SafePay ransomware group claims to have breached T-Systems and exfiltrated data. The leak post does not specify the scope or nature of data obtained, and no ransom demand is explicitly stated in the provided excerpt.

high

Data the group says was taken

AI dossier — extracted from the leak post

IT infrastructure data
Customer information
Business operations data

What the group claims

Headquartered in Germany, the company operates internationally and has locations in 26 countries, employing more than 26,000 people. T-Systems specializes …

The leak post

captured from the group's site

T-Systems is a major German information and communications technology (ICT) service provider and a wholly owned subsidiary of Deutsche Telekom.
Headquartered in Germany, the company operates internationally and has locations in 26 countries, employing more than 26,000 people. T-Systems specializes in providing large enterprises, multinational corporations and public-sector organizations with end-to-end digitalization and IT solutions.The company's services cover cloud computing, digital transformation, cybersecurity, artificial intelligence, data platforms, enterprise IT, telecommunications, SAP services and infrastructure management. T-Systems operates and manages complex IT environments for customers in sectors including automotive, healthcare, transportation, logistics, finance, manufacturing, retail and the public sector. Its services are designed to support organizations that require highly secure, scalable and reliable IT infrastructure.
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Sources

Victim sitet-systems.com
Leak posthttp://safepaypfxntwixwjrlcscft433ggemlhgkkdupi2ynhtcmvdgubmoyd.onion/blog/post/t-systemscom/

Source

Indexed 12 hours ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

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Disclosure context

About safepay

The Safepay ransomware group is a newly emerged threat actor first observed in November 2024, demonstrating rapid operational scale with 444 documented victims in a short timeframe, indicating financially motivated cybercriminal activity. Due to the group's recent emergence, publicly documented information about their country of origin, affiliations, and operational model remains limited among established threat intelligence sources. Given the recency of their appearance and lack of detailed technical analysis from major security firms, their specific attack methodologies, initial access vectors, and encryption techniques have not been comprehensively documented in public threat intelligence reporting. The group has demonstrated a broad targeting approach across multiple sectors including manufacturing, technology, education, and healthcare, with primary focus on victims in the United States, Germany, Canada, the United Kingdom, and Australia, though no specific high-profile campaigns or notable incidents have been publicly attributed to them by major security vendors or law enforcement agencies. As of the latest available intelligence, Safepay appears to remain active, though comprehensive threat profiling is limited due to the group's recent emergence and the current lack of detailed technical analysis from established cybersecurity research organizations. The group has been linked to 872 public disclosures across our corpus. First observed on a leak site on November 19, 2024; most recent post October 6, 2026. The operation is currently active.

Timeline of this disclosure

October 5, 2026t-systems.com listed by safepay on the group's public leak site

Other recent disclosures by safepay

safepay has been linked to 872 public victims on Darkfield. A sample of the most recent:

See the full safepay dossier →

Sector and geography

This disclosure adds to ransomware activity in the Technology sector, which has 3,581 disclosures indexed across all operators we track. Geographically, t-systems.com is reported in Germany, a country with 393 ransomware disclosures in our corpus.

If your organisation is affected

A listing by safepay means t-systems.com appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
Report the incident to your national CERT, CERT-Bund (Germany), as required for your jurisdiction.
Monitor for the data appearing on safepay's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.