HackingTechnologyInformationData ExfiltratedCustomer Data InvolvedDelayed DiscoveryIdentity (basic)CredentialsLowContained

ShareThis, Inc. disclosed a data security incident discovered on February 11, 2019, when a third-party report indicated data theft. The incident occurred in July 2018. Affected data includes names, email addresses, hashed passwords, and some birth dates. ShareThis deactivated impacted accounts and engaged forensic experts. No financial information was compromised.

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California clockDiscovered Feb 11, 2019 → Notified Feb 28, 201917d ✓ CA 60-day OK17 days discovery → filing

Incident timeline

undetected · 225 days

discovery → filing · 17 days

Jul 1, 2018

Begins

Feb 11, 2019

Discovered

Feb 28, 2019

Filed

vs. sector median

16 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Delaware State AGbd_b6beeb34247678782019-06-26 · +118dVerified

Name: ShareThis
norm: sharethis
Domain: sharethis.com

Name: ShareThis
norm: sharethis
Domain: sharethis.com
Industry: Technologyllm

Discovered: Feb 11, 2019
Breach occurred: Jul 1, 2018 – Jul 31, 2018
Undetected for: 225 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 28, 2019
Affected individuals: Not disclosed
Data types: Identity (basic)Credentials
Attack vector: Unknown
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel
Threat actor: External

During the incident: Deactivated all potentially impacted accounts so they could not be accessed
Working with forensic and data security experts to review this incident
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Advising individuals to change account passwords
Providing information on how to place a fraud alert and security freeze on one's credit file
Changes made: Reviewing internal systems
Identifying additional measures to further bolster security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 days(17 days from discovery to filing)
Compliance flags: CA 60-day OK · 17d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Feb 11, 2019
→ Notified: Feb 28, 2019
17d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Feb 11, 2019 → Notified: Feb 28, 2019	17d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

California State AGFeb 28 · first · this page

Delaware State AG+118d

Pattern: first filing Feb 28 (CA), last Jun 26 (DE) — a 118-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/sb24-145099
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 28, 2019
Raw hash: 0a84cbe523b561b39f198dbc2def0e8fc5c519221c44cf454be04b2eff6fb20d

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityShareThis

Victim entityShareThis

Incidentdiscovered Feb 11, 2019

Stated responseDeactivated all potentially impacted accounts so they could not be accessed

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov