The GNECB is headed by an officer of Detective Chief Superintendent rank, who reports to the Assistant Commissioner of Special Crime Operations.
[6] However, it was subsequently constituted as a separate Bureau within the Special Crime Operations section of the Garda Síochána, with oversight by the Detective Chief Superintendent of the GNECB.
The Bureau is headed by a Detective Superintendent and is responsible for the investigation of cybercrime and cyber-related crime, and for the provision of a computer forensic service to the Garda Síochána.
[2] The Bureau's responsibility includes the gathering of information and financial intelligence (FININT) for the force and Irish government, extending to terrorism financing,[7][8] and proactively detecting and preventing fraud through sting operations.
[10] The GNECB works particularly closely with the Office of the Director of Corporate Enforcement, Revenue Commissioners, Criminal Assets Bureau (CAB) and internally with the Garda National Bureau of Criminal Investigation (NBCI) relating to investigations concerning issues such as monetary fraud, suspicious transaction reports (STR), racketeering, embezzlement, corruption and bribery.