Since 1 July 2023, there have been 11 convictions resulting from Commission investigations.
Operation Hay
This investigation concerned the misuse of sensitive taxpayer information by a former ATO employee to fraudulently obtain government payments.
Between October 2020 and April 2022, the former ATO employee accessed records of 4 taxpayers to create false accounts and claim up to $60,000 in COVID-19 Test Isolation Payments and income tax refunds.
In September 2025, the former ATO employee was convicted and sentenced to a total effective term of 5 months imprisonment after pleading guilty to 10 charges, including obtaining financial advantage by deception and aiding and abetting another person to attempt to commit an offence.
The sentence is currently under appeal, with a hearing listed before the County Court of Victoria on 9 February 2026.
Operation Pelican
The former Executive Procurement Manager at Western Sydney Airport was sentenced for soliciting a bribe of approximately $200,000 during a contract procurement process.
The former official was convicted of soliciting a corrupt commission contrary to section 249B of the Crimes Act 1900 (NSW) and sentenced to a 2-year term of imprisonment, to be served by way of an Intensive Correction Order in the community, which includes the completion of 500 hours of community service.
The investigation obtained evidence that the former official had attempted to solicit the bribe from a company bidding for a $5 million contract to provide automated parking systems at the future airport.
Operation Pelican was a joint investigation, led by the Commission with support from the Australian Federal Police.
This was the first conviction and sentence resulting from a NACC-initiated investigation.
NACC secures conviction of corrupt airport official | National Anti-Corruption Commission (NACC)
Operation Carbunup
A former immigration officer at the Department of Home Affairs was sentenced for abuse of public office, after approving a visa application for her brother-in-law, and for causing unauthorised access to restricted data of 17 individuals held within the Department’s computer systems.
The former immigration officer was sentenced to an aggregate term of 8 months imprisonment, to be released forthwith on the condition she enter into a recognisance in the sum of $10,000 to be of good behaviour for 12 months.
The prosecution arose from an incident in November 2019, when the former officer’s brother-in-law had his visitor visa application refused. On 6 December 2019, he reapplied for a visitor visa, and within approximately 16 minutes of lodgement, the former immigration officer self-allocated the application to herself as the visa decision-maker. She subsequently approved the visitor visa 3 days later.
Operation Harvey
A former Australian Border Force (ABF) officer was sentenced for intentionally making a false statement in a statutory declaration, unauthorised access to restricted data and providing false or misleading information.
The former ABF officer was convicted and released on the condition that they enter into a recognisance of $1,500 and be of good behaviour for a period of 9 months.
Operation Harvey was a joint investigation commenced by the former ACLEI and the Department of Home Affairs and later continued and concluded by the NACC. The Commonwealth Director of Public Prosecutions (CDPP) prosecuted the matter.
Former ABF officer sentenced following guilty plea | National Anti-Corruption Commission (NACC)
Operation Barker
This investigation related to the payment of a bribe to a former Australian Taxation Office (ATO) official in exchange for potentially reducing various personal and business tax debts by millions of dollars and for disclosing restricted information to 2 different individuals on over 1,000 occasions.
In March 2024, the former ATO official was convicted and sentenced to 5 years imprisonment. An appeal against the sentence by the former ATO official was dismissed by the NSW Court of Criminal Appeal on 24 September 2025.
In August 2024, one accomplice was convicted and sentenced to imprisonment for 3 years and 14 days. In December 2024, another accomplice was convicted and sentenced to imprisonment for 2 years and 10 months.
Operation Barker was a joint investigation commenced by the former ACLEI, which transitioned to the NACC. It was supported by the ATO, Australian Federal Police, New South Wales Police, the Department of Home Affairs, the Australian Securities and Investment Commission and the Australian Transaction Reports and Analysis Centre. The CDPP prosecuted the matter.
Jail time for ‘brazen’ ATO bribes | National Anti-Corruption Commission (NACC)
Former ATO employee jailed for accepting bribes | National Anti-Corruption Commission (NACC)
Operation Meda
A former Detention Services Officer at an immigration detention facility was sentenced for their role in assisting a detainee to access drugs in exchange for payments.
The Detention Services Officer was convicted and sentenced to imprisonment for a period of 2 years and 6 months.
Operation Meda was a joint investigation commenced by the former ACLEI, which transitioned to the NACC, and the Department of Home Affairs. The CDPP prosecuted the matter.
Operation Angelo
A former Department of Home Affairs employee was convicted and sentenced for abuse of public office, unauthorised disclosure of official information, and unauthorised access to Home Affairs records of and for their family, friends, associates and tenants, over an extended period.
The former employee was originally sentenced to imprisonment for 14 months, but to be released immediately upon a recognisance in the sum of $500 and to be of good behaviour for 2 years. On appeal in May 2025, the District Court reduced the sentence to 12 months.
In the sentencing remarks, His Honour Judge Sutherland referred to the position of trust held by public servants and their access to private data, emphasising that the former employee had used Home Affairs systems as a personal browser to look up confidential information.
Operation Angelo was a joint investigation commenced by the former ACLEI and Home Affairs. It was continued by the NACC and prosecuted by the Commonwealth Department of Public Prosecutions.
Operation Roe
A former ATO employee was sentenced for unauthorised access of taxpayer records. The investigation identified that the former ATO employee had extensively accessed various taxation records without authority between August 2020 and April 2021.
The ATO employee was convicted and released upon a recognisance in the sum of $2,000 to be of good behaviour for a period of 18 months.
Operation Roe was a joint investigation between ACLEI and the ATO, for which the NACC became responsible from 1 July 2023.
Operation Nambung
A former Superintendent in the AFP was sentenced for charges related to fraudulent use of their Commonwealth credit card involving more than $17,000 in personal expenditure.
The former AFP member was convicted, fined $5,000 and sentenced to a 3-year community corrections order.
Prosecution by the CDPP followed a joint investigation between ACLEI, which transitioned to the NACC on 1 July 2023, and the AFP.