SEE MATPROOF ON YOUR STACK — BOOK A 30-MINUTE DEMO
BREACHransomwarelive3 Jul 2026

Ransomware: qilin claims Sitmatic (DE) — Technology

Unverified claim published by a ransomware group, mirrored from ransomwarelive. Not confirmed by Matproof or by the named organisation.

Unverified claim

What was claimed, and what to do.

This is not a confirmed breach. This entry records that a ransomware group posted a claim on its own leak site. Matproof has not verified the claim and does not assert that any incident occurred. Such claims are often exaggerated, false, misattributed, or refer to a third party rather than the named organisation. The named organisation has not confirmed it.

If you represent a named organisation and this entry is inaccurate, email legal@matproof.com and we will correct or remove it.

On 2026-07-03, the ransomware group Qilin posted a claim on its leak site, mirrored by ransomware.live, naming Sitmatic (DE) in connection with a technology-related incident. The posting alleges activity involving the organisation, but no further details are established.

Sitmatic has not confirmed this claim. Leak-site postings are frequently exaggerated, false, or misattributed, and may refer to a third party rather than the named organisation. Compliance teams should treat this as unverified, contact Sitmatic directly for a written statement, and refrain from acting on the claim as a confirmed incident.

This summary is AI-generated for orientation purposes. For regulatory action, always consult the original source linked above.

Live regulatory monitoring

Never miss a compliance update.

Get weekly digests of DORA, NIS2, GDPR, MaRisk, and ISO 27001 changes — straight to your inbox. Free.

No spam. Weekly digest only. Unsubscribe anytime.

DORANIS2GDPRMaRiskISO 27001

Map this to your controls

Connect regulatory changes to your compliance work.

Matproof maps every regulator update directly to your controls and surfaces the ones that affect your organisation — across 21 frameworks.

Ransomware: qilin claims Sitmatic (DE) — Technology — BREACH | Matproof