UK Cybercrime Journal: ACRO Breach Report
What Happened On 7 August 2026, the UK Information Commissioner's Office (ICO) disclosed that between July 2021 and June 2023, the ACRO Criminal Records Office suffered three separate compromises involving its customer portal website (acro.police.uk). ACRO is a national police unit providing public services such as issuing Police Certificates, International Child Protection Certificates, and processing Subject Access Requests. In March 2023, ACRO was notified about an SQL injection attack that reportedly exposed 15 sets of credentials, the majority of which belonged to its employees. A subsequent forensic investigation uncovered long-term threat actor activity within the website's environment, spanning from 9 July 2021 to 22 June 2023. The website was built on the Kentico CMS and was running version 12.0.0 between September 2019 and March 2023. This version had multiple known vulnerabilities at the time of the incident, but suffered from ambiguity around who was accountable fo...