Two Canadian banks put out statements on Monday announcing separate cyber-incidents affecting their customers.
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The two are Simplii Financial, a subsidiary of CIBC, and the Bank of Montreal —two of Canada’s biggest banks.
Hackers hit Simplii Financial
The first one to put out a statement was Simplii Financial. The bank said it discovered over the weekend that “fraudsters may have electronically accessed certain personal and account information for approximately 40,000 of Simplii’s clients.”
The bank is currently investigating if the claim is true, but in the meantime, it says it deployed “enhanced online fraud monitoring and online banking security measures” to prevent abuse of customers’ data.
Simplii Financial promised to “return 100% of the money lost from the affected bank account,” in case users notice and report any fraudulent transactions.
Simplii also said there’s no evidence that customers of CIBC —its parent company— were affected, and the incident seems to be contained in its branch only.
Hackers hit Bank of Montreal
An hour after Simplii put out its statement, Bank of Montreal put out a similar announcement. The bank said it was contacted on Sunday by the hackers themselves, claiming to be in possession of customer data.
Bank of Montreal did not reveal how many customers might have had their data compromised but said it believes to have closed the hackers’ point of entry into its systems.
Bank officials also added that they believe the hack originated from outside the country, albeit they did not elaborate on this claim with any other information.
Statements from both banks were kept to a minimum as both institutions are still investigating the incident. Spokesperson for both banks were not available for comment.
Some users are downplaying the hacks’ importance due to the limited number of exposed accounts, especially when compared to the Equifax mega breach that affected over 145.5 million US users last year.