HackingRetail & ConsumerRetailVulnerability ExploitCapture Stored DataCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Financial accountFinancial credentialsCredentialsLowResolved

BookShark LLC

bd_8c98ed4f58647c28 · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 26, 2019

Filed

Oct 25, 2019

To disclose

9 weeks

Affected

Not disclosed

Linked

4 filings

Confidence

65%

Full breach record for BookShark LLC →

BookShark LLC disclosed a security incident where unauthorized code on its website captured customer login and checkout data, including names, addresses, payment card details, and credentials. The code was present from March 11, 2019, to August 26, 2019, when it was discovered by a third-party developer. BookShark engaged a cybersecurity firm, removed the code, implemented security enhancements, and reset affected passwords.

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California clockDiscovered Aug 26, 2019 → Notified Oct 24, 201959d ✓ CA 60-day OK9 weeks discovery → filing

Incident timeline

undetected · 168 days

discovery → filing · 9 weeks / 60 days

Mar 11, 2019

Begins

Aug 26, 2019

Discovered

Oct 25, 2019

Filed

vs. sector median

on median

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_6731f528899da1422019-10-25Verified
Montana State AGbd_92088e44a5aca6cf2019-10-25Verified
New Hampshire State AGbd_10182fb1b30e4ae12019-10-28 · +3dVerified

Name: BookShark LLC
norm: bookshark
Domain: bookshark.com

Name: BookShark LLC
norm: bookshark
Domain: bookshark.com
Industry: Retail & Consumerllm

Discovered: Aug 26, 2019
Breach occurred: Mar 11, 2019 – Aug 26, 2019
Undetected for: 168 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 24, 2019
Affected individuals: Not disclosed
Data types: Identity (basic)Financial accountFinancial credentialsCredentials
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1056 Input Capture
Threat actor: External
Regulator citations: Filed notification with California Attorney General
Third party: via Third-party developer
Initial access: exploit_public_facing

During the incident: Removed the unauthorized code
Engaged a leading cybersecurity firm to assist with the investigation
Implemented additional security enhancements to our website
Reset passwords for affected customer accounts
Changes made: Implemented additional security enhancements to our website to help prevent this type of incident from happening again
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(60 days from discovery to filing)
Compliance flags: CA 60-day OK · 59d
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: Aug 26, 2019
→ Notified: Oct 24, 2019
59d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Aug 26, 2019 → Notified: Oct 24, 2019	59d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGOct 25 · first

Montana State AGOct 25 · first

California State AGOct 25 · first · this page

New Hampshire State AG+3d

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/sb24-183846
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 25, 2019
Raw hash: 2f5a1eb0afe01c654d1adefc1f87505bc2142df5f950e0d0375961b893f1ffec

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityBookShark LLC

Victim entityBookShark LLC

Incidentdiscovered Aug 26, 2019

Stated responseRemoved the unauthorized code

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov