DisclosureLens
HackingTechnologyInformationStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDMediumContained

TaxSlayer

bd_40ae479f097ab3a4 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 13, 2016

Filed

Jan 29, 2016

To disclose

16 days

Affected

27state residents only

Linked

3 filings

Confidence

65%
All records for TaxSlayer →

Account takeover notice

TaxSlayer notified customers of unauthorized access to their accounts. The filing says: “As a result of ongoing security reviews, TaxSlayer identified on January 13, 2016 that an unauthorized third party, whom we believe obtained your username and password from another online service, may have accessed your TaxSlayer account between 10/10/2015 and 12/21/2015.”

TaxSlayer notified Montana residents of unauthorized access to accounts between Oct 10 and Dec 21, 2015, discovered Jan 13, 2016. Attackers used stolen credentials from other services. Data accessed included names, addresses, and SSNs. TaxSlayer disabled access, required password resets and MFA, and offered credit monitoring.

Incident timeline

undetected · 95 days
discovery → filing · 16 days

Oct 10, 2015

Begins

Jan 13, 2016

Discovered

Jan 29, 2016

Filed

vs. sector median

9 wks faster

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Filing propagation · 3 filings · 3 states

View merged incident ↗
California State AGJan 29 · first
Montana State AGJan 29 · first · this page

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.