Wealthsimple says some Canadian clients have had their personal data — including Social Insurance Numbers and other sensitive information — compromised in a “data security incident” on Aug. 30.

A statement by the popular personal finance and investing platform posted on Sept. 5 says it detected the incident on Aug. 30 and “all accounts remain secure, and no funds were accessed or stolen.”

“We acted quickly and in a few hours the issue was contained. Our security team, with the help of external experts, immediately began a thorough investigation,” Wealthsimple said in the statement.

“We learned that a specific software package that was written by a trusted third party had been compromised. This resulted in personal data belonging to less than one per cent of our clients being accessed

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