FEDERALItem 8.01 · voluntaryHackingFinancial ServicesTechnologyFinanceStolen CredentialsSupply Chain (3P Vendor)LowActive

Sinqia S.A.

bd_03a588e4ae34470e · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 29, 2025

Filed

Sep 2, 2025

To disclose

4 days

Affected

Not disclosed

Confidence

70%

Full breach record for Sinqia S.A. →

Sinqia S.A., a Brazilian subsidiary of Evertec, Inc., reported unauthorized access to its Pix real-time payment system on August 29, 2025. The incident involved the exploitation of legitimate IT vendor credentials to process approximately R$710 million in unauthorized B2B transactions. Evertec halted processing, engaged forensic experts, and notified Brazilian regulators (BCB) and law enforcement. The Company has no indication that any personal data was compromised, and financial impact remains undetermined.

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Incident timeline

discovery → filing · 4 days

Aug 29, 2025

Begins

Aug 29, 2025

Discovered

Sep 2, 2025

Filed

vs. sector median

8 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: Evertec
norm: evertec
SEC CIK: 0001559865
Domain: evertecinc.com

Name: Sinqia S.A.
norm: sinqia
Also named: EVERTEC, Inc.operating subsidiary ofholding company
Industry: Financial ServicesllmTechnologyllm

Discovered: Aug 29, 2025
Breach occurred: Aug 29, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: —
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: communicated promptly with federal and state law enforcement authorities in Brazilprovided BCB and the two impacted customers with third-party forensics analyses
Initial access: valid_credentials

During the incident: Halted transaction processing in its Pix environment
Began working with outside cybersecurity forensics experts
Terminated access to these credentials
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 days(4 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statementThis record

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.sec.gov/Archives/edgar/data/1559865/000155986525000043/evtc-20250829.htm
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Sep 2, 2025
Raw hash: 5ad43657211fc4f8a4e0c47ef3ae27b2d0403b56b85e4336953453a98cfc423c

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Reporting entityEvertec

Victim entitySinqia S.A.

Incidentdiscovered Aug 29, 2025

Stated responseHalted transaction processing in its Pix environment

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.sec.gov

Source filing