Ransomware: qilin claims Sisint (PT) — 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 3 July 2026, the ransomware group Qilin published a claim on its leak-site mirror listing "Sisint (PT) — Technology" as an alleged victim. The posting asserts an incident but provides no verified details. This claim has not been confirmed by Sisint.
Compliance teams should treat this as unverified. Leak-site claims are frequently exaggerated, false, or misattributed, and may refer to a third party rather than the named organisation. Contact Sisint directly for a written statement and do not act 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.
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.