DisclosureLens
HackingOtherVulnerability ExploitTargetedIdentity (basic)Financial accountFinancial credentialsLowContained

Society for Industrial and Applied Mathamatics

bd_e2e4a80c3670df80 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jun 4, 2020

Filed

Jul 6, 2020

To disclose

5 weeks

Affected

3state residents only

Linked

4 filings

Confidence

64%
Full breach record for Society for Industrial and Applied Mathamatics →2 incidents on file

Society for Industrial and Applied Mathematics (SIAM) disclosed a data security incident affecting its payment platform (my.siam.org). Unauthorized access occurred between Feb 13 and Apr 24, 2020. SIAM discovered the breach on June 4, 2020, engaging forensic investigators. Compromised data included names, addresses, payment card numbers, expiration dates, and CVVs. SIAM notified credit card brands and offered 12 months of credit monitoring via ID Experts.

Incident timeline

undetected · 112 days
discovery → filing · 5 weeks / 32 days

Feb 13, 2020

Begins

Jun 4, 2020

Discovered

Jul 6, 2020

Filed

vs. sector median

4 wks faster

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

Filing propagation · 4 filings · 4 states

View merged incident ↗
Massachusetts State AGJul 6 · first
New Hampshire State AGJul 6 · first
Indiana State AGJul 6 · first
Montana State AGJul 6 · 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.