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Australia's Largest Bank Lost The Personal Financial Histories Of 12 Million Customers

Australia's Largest Bank Lost The Personal Financial Histories Of 12 Million Customers

They might have fallen off the back of a truck... The Commonwealth Bank lost the personal financial histories of 12 million customers, and chose not to reveal the breach to consumers, in one of the largest financial services privacy breaches ever to occur in Australia.

BuzzFeed News can reveal that the nation’s largest bank lost the banking statements for customers from 2004 to 2014 after a subcontractor lost several tape drives containing the financial information in 2016.

While the bank initially notified the Office of the Australian Information Commissioner (OAIC) of the breach shortly after it became aware of it in 2016, a spokesperson for the OAIC told BuzzFeed News it was now making further inquiries into the privacy breach, following a damning report into the bank's culture released on Tuesday.

Angus Sullivan, Commonwealth Bank’s acting group executive of retail banking services told BuzzFeed News in a statement: “We take the protection of customer data very seriously and incidents like this are not acceptable. We want to assure our customers that no action is required and we apologise for any concern the incident may cause."


“We undertook a thorough forensic investigation, providing further updates to our regulators after its completion. We also put in place heightened monitoring of customer accounts to ensure no data compromise had occurred."

Personal banking statements contain potentially sensitive personal information, and can paint a detailed portrait of the financial and personal affairs of a person. They could potentially be misused by organised crime groups if they fell into the wrong hands, or exploited by commercial companies that could use the data for illegitimate or unethical purposes.

Sullivan told BuzzFeed News in his statement the information disclosed in the breach did not contain anything that could directly compromise accounts, such as passwords or PIN numbers.

The revelation of the breach has come at a time when Australia’s financial industry is under unprecedented scrutiny during the financial services royal commission, and a global debate about privacy triggered by Facebook’s handling of user information

BuzzFeed News has learned the breach occurred in 2016 when the bank’s subcontractor Fuji Xerox was decommissioning a data storage centre where some Commonwealth Bank customer data was stored.

Backup magnetic tape drives of financial statements were believed to have been sent to be destroyed. But when a "destruction certificate" for the data wasn't found on 9 May 2016, the Commonwealth Bank initiated an investigation to find out what happened to the data.

The bank notified the OAIC - which regulates privacy in Australia - 0n 20 May 2016 and told the regulator what had occurred.

The bank then undertook significant steps to attempt to retrieve the information. BuzzFeed News understands that after the breach was discovered, the company spent a number of weeks formulating a range of potential responses. It formed a remediation task force from within the bank’s ranks and called the team “Project Chesapeake".

The details of the breach were known to around 150 people in the organisation, including members of the senior executive team, data managers, risk specialists, and in-house and external legal services. The bank hired a forensic team from accounting firm KPMG to conduct an exhaustive search to locate the missing tape drives, but they were never recovered.

One possibility that was canvassed by KPMG is that the drives weren’t secured properly and fell from a truck in transit that was carrying the data for destruction. Forensic investigators hired to assess the breach retraced the route of the truck to determine whether they could locate the drives along this route, but were unable to find any trace of them.

BuzzFeed News understands the forensic team formed the view that the data had most likely been destroyed, but there's no conclusive evidence of what happened to the tapes.

Sullivan told BuzzFeed News that KPMG's forensic investigation "found the most likely scenario was the tapes were disposed of".

The customer data has never been recovered.

BuzzFeed News understands the magnetic tape drives were also not encrypted. But the information on the drives was difficult to access due to the age of the magnetic drives and the file type the information was stored in.

While the bank considered alerting customers, BuzzFeed News understands it ultimately determined that the risk of the data being discovered and misused was low.

The Commonwealth Bank initially notified the OAIC and the Australian Prudential Regulation Authority (APRA) on 20 May 2016. It later met with the OAIC on 7 June 2016, and provided the OAIC with a further follow-up report into the breach on 20 October 2016 once KPMG's report was complete. The OAIC replied several days later informing the bank that no further action would be taken. The bank also briefed APRA about the incident on 7 December 2016.

The bank ultimately made the decision not to notify customers, in a move that may come under scrutiny in a climate where Australians are increasingly demanding more transparency and oversight over the way large corporations handle customers' personal information.

Sullivan told BuzzFeed News in his statement: “We concluded, given the results of the investigation, that we would not alert customers. We advised the OAIC who subsequently advised us that it did not intend to take any further action in relation to the matter."

He added: “We can confirm there was no evidence of customer records being compromised or suspicious activity following an incident in 2016. Ongoing monitoring of accounts by CBA confirms customers do not need to take any action."

The Commonwealth Bank’s former CEO Ian Narev, who was in charge when the breach occurred, resigned in August 2017.

The current CEO Matt Comyn assumed the role in April 2018. In a statement released by Comyn in January 2018 he said that “the last six months in particular have been very challenging and I am committed to working with the board, the executive team and our wonderful people to rebuild trust in the Commonwealth Bank together”.

Under Australia’s privacy laws organisations have an obligation to take reasonable steps to protect personal information they hold from “misuse, interference and loss”.

Had the breach occurred after March this year, it is possible the bank would have been required under law to disclose the breach to customers. New mandatory data breach notification laws came into force in Australia this year that require companies to reveal data breaches to affected individuals and to the OAIC where the breach is “likely to result in serious harm".

A spokesperson for the OAIC told BuzzFeed News in a statement: "The Office of the Australian Information Commissioner was notified of this incident by the CBA in 2016 and based on the information provided by the CBA at the time, decided that no further regulatory action would be taken, in accordance with the OAIC’s Regulatory Action Policy. 

"Having regard to the findings in the report by APRA into the CBA released yesterday, the OAIC today made further inquiries in relation to this matter and has sought information from the CBA to satisfy the OAIC that the CBA has taken on board lessons learned from this incident, to ensure the privacy of customers' personal information is adequately protected."

Fuji Xerox declined to comment on its role in the breach. APRA also declined to comment, citing the strict secrecy provisions that set out how it handles matters that are brought to its attention.

The bank is already facing intense scrutiny in public hearings convened by the royal commission. Earlier in April at a hearing an internal document from the bank revealed that Commonwealth Bank financial advisers had been charging dead clients for financial services for up to a decade.

This week APRA released its report into the culture inside the Commonwealth Bank. It found the bank had '"fallen from grace" and had been reactive in dealing with risks.

The report found the bank had "inadequate oversight and challenge by the Board and its gatekeeper committees of emerging non-financial risk" and "weaknesses in how issues, incidents and risks were identified and escalated through the institution and a lack of urgency in their subsequent management and resolution".

APRA accepted a series of enforceable undertakings from the Commonwealth Bank to improve its internal culture. On Tuesday, the bank's CEO Matt Comyn agreed to implement all APRA's recommendations. He said in a statement: "We will establish a higher level of accountability and consequence for our actions and the impact we have on customers."

Australia’s anti–money laundering watchdog AUSTRAC has also launched legal action against the bank, alleging it has engaged in over 53,800 contraventions of anti–money laundering laws by failing to file reports about potentially suspicious transactions.

The bank and AUSTRAC are currently engaged in mediation over the dispute.

Do you know more? Contact Paul Farrell securely using the Signal messaging app on +61 457 262 172.
Disclosure: The author of this report is a Commonwealth Bank account holder.
Paul Farrell is a senior reporter for BuzzFeed News and is based in Sydney.
Contact Paul Farrell at This email address is being protected from spambots. You need JavaScript enabled to view it..">This email address is being protected from spambots. You need JavaScript enabled to view it..
This article was first published by https://www.buzzfeed.com/
Author: Paul Farrell - BuzzFeed Senior Reporter, Australia
Last modified onWednesday, 02 May 2018 23:15

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