The Daily Tech Wireby Nuffield Consulting

Home / Incidents / Data breach

majorData breach5 September 2025

Wealthsimple breach via compromised software package

Under 1% of clients had IDs, SINs and account numbers exposed.

Organisation
Wealthsimple
Disclosed
5 September 2025
Affected
Not stated
Data
Government IDs, SINs, account numbers
Attacker
Unknown
Severity
major
Region
Global
Source
CM Alliance monthly roundup ↗

Cite this

Nuffield Consulting, “Wealthsimple breach via compromised software package”, The Daily Tech Wire outage & breach log, 5 Sep 2025. https://techwire.nuffieldconsulting.com/incidents/2025-09-05-wealthsimple-breach/ (retrieved 15 Nov 2026).

This entry summarises public reporting. Please also cite the original source: CM Alliance monthly roundup, https://www.securityweek.com/fintech-firm-wealthsimple-says-supply-chain-attack-resulted-in-data-breach/.

Related incidents

September 2025 in numbers → · All 468 incidents →