Weekly briefing › No. 4
Weekly briefing · No. 4 · 19 Mar 2026
Six major North American data breaches exposed over 11 million records across automotive, insurance, healthcare, legal, financial, and retail sectors.
Common attack vectors include compromised third-party systems, stolen credentials, and social engineering.
This issue’s disclosures
CriticalOct 10
700Credit
Credential Theft · 5.8M records
Attackers accessed customer data through a compromised third-party API between July and October 2025.
What it means: Automotive dealers and lenders using this service face significant identity theft and fraud risk for millions of customers.
Oct 10
CriticalJul 15
Allianz Life
Credential Theft · 1.4M records
Attackers used social engineering to compromise a third-party cloud CRM platform used by the company.
What it means: Customer names, addresses, Social Security numbers, and financial details were exposed, creating direct identity theft risk.
Jul 15
CriticalApr 15
DaVita
Healthcare · 2.7M records
Attackers encrypted systems and extracted patient records from laboratory databases.
What it means: Medical details and identifiers of dialysis patients create lasting privacy and fraud risks.
Apr 15
CriticalJan 15
PowerSchool
Healthcare · 62M records
Attackers used a stolen contractor login to access school records containing student and teacher data nationwide.
What it means: Student names, Social Security numbers, and family contact details put minors at risk of identity fraud.
Jan 15
HighAug 15
CIRO
Financial · 750K records
A sophisticated email attack compromised investor account credentials in August 2025, discovered in January.
What it means: 750,000 investors' Social Security numbers and financial records are now exposed.
Aug 15
HighMar 15
Giant Tiger
Credential Theft · 3M records
Customer data including emails, names, addresses, and phone numbers were stolen in March but not disclosed until 2026.
What it means: Extended exposure window increases risk that stolen data was already used for fraud or sold to other attackers.
Mar 15
This issue by category
Where this issue’s disclosures sit.
The 6 disclosures in issue No. 4, by the category we filed each one under.