HackingHealthcareTechnologyHealthcareVulnerability ExploitSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Health (basic)PIILowContained

Sleep Data Holdings, LLC

bd_ac9f26db9a632fa2 · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 20, 2023

Filed

Apr 29, 2024

To disclose

19 weeks

Affected

Not disclosed

Confidence

64%

Full breach record for Sleep Data Holdings, LLC →

Sleep Data Holdings, LLC notified California residents that their personal information may have been accessed due to a vulnerability in Progress Software’s MOVEit Transfer software, used by Philips Respironics to exchange therapy data. An unauthorized party exploited this vulnerability on May 31, 2023, extracting files containing patient names, addresses, dates of birth, emails, phone numbers, insurance policy numbers, and device serial numbers. Philips Respironics informed Sleep Data Holdings on December 20, 2023. The company suspended MOVEit use and is offering one year of complimentary identity monitoring through Experian.

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Incident timeline

undetected · 203 days

discovery → filing · 19 weeks / 131 days

May 31, 2023

Begins

Dec 20, 2023

Discovered

Apr 29, 2024

Filed

vs. sector median

+8 wks slower

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

Name: Sleep Data Holdings, LLC
norm: sleep data

Name: Sleep Data Holdings, LLC
norm: sleep data
Industry: HealthcarellmTechnologyllm

Discovered: Dec 20, 2023
Breach occurred: May 31, 2023
Undetected for: 203 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Health (basic)PII
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1195 Supply Chain CompromiseT1041 Exfiltration Over C2 Channel
Threat actor: External
Third party: via Progress Software
Initial access: supply_chain

During the incident: Suspended use of the MOVEit Transfer tool
Offering a complimentary one-year membership to Experian’s Identity Works services
Changes made: Working to ensure all appropriate security measures are in place to safeguard personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 weeks(131 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 filingThis record

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

SEC 8-K / victim statement

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

Source URL: https://oag.ca.gov/ecrime/databreach/reports/sb24-584606
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 29, 2024
Raw hash: 175145193b2b4dead751ff4ff67f523099ffd10e910cb1f2f5f31be87dca9dd3

Reporting entitySleep Data Holdings, LLC

Victim entitySleep Data Holdings, LLC

Incidentdiscovered Dec 20, 2023

Stated responseSuspended use of the MOVEit Transfer tool

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov