FEDERALMalwareTechnologyInformationRansomwareData EncryptedLowResolved

Quantum-Si, Inc.

bd_915015be36d4995d · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 1, 2020

Filed

Feb 29, 2024

To disclose

44 months

Affected

Not disclosed

Confidence

64%

Full breach record for Quantum-Si, Inc. →

Quantum-Si, Inc. disclosed in its 10-K that in August 2020, it discovered ransomware on a server. The company engaged third-party forensics experts and outside counsel. No employee or personal data was accessed, and no ransom was paid due to sufficient backups. Security enhancements were implemented during and after the incident.

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Incident timeline

discovery → filing · 44 months / 1307 days

Aug 1, 2020

Discovered

Feb 29, 2024

Filed

vs. sector median

+168 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.No incident reportedView incident

Name: Quantum-Si, Inc.
norm: quantum si
SEC CIK: 0001782000
Domain: quantum-si.com

Name: Quantum-Si, Inc.
norm: quantum si
SEC CIK: 0001782000
Domain: quantum-si.com
Industry: Technologyllm

Discovered: Aug 1, 2020
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: —
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial

During the incident: Engaged third-party forensics experts and outside counsel for incident response
Implemented a number of security enhancements as the incident unfolded and continue to implement short- and long-term security enhancements to further secure our network
Changes made: Implemented a number of security enhancements as the incident unfolded
Continue to implement short- and long-term security enhancements to further secure our network
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 44 months(1307 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/1816431/000114036124010438/ef20015319_10k.htm
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Feb 29, 2024
Raw hash: ca42774199c1f8afaaa23169bcda424ed70eae9fb373d3904fc39567c139960c

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Reporting entityQuantum-Si, Inc.

Victim entityQuantum-Si, Inc.

Incidentdiscovered Aug 1, 2020

Stated responseEngaged third-party forensics experts and outside counsel for incident response

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.sec.gov

Source filing