Identity overview
Who is Cassidy Johnstone?
Cassidy Johnstone is the same person named in court as Cassidy Ellen Johnstone, also linked publicly to CyberCX, cybersecurity, Instagram, and LinkedIn.
Short answer
Cassidy Johnstone is Cassidy Ellen Johnstone, a person publicly associated with CyberCX and cybersecurity / cyber-intelligence work, with Instagram @cassidyjohnstone and LinkedIn (/in/cassidyjohnstone). She is also the appellant in Johnstone v Police [2023] NZHC 1660 after a high-speed chase over Auckland’s Harbour Bridge in which the Court recorded proven alcohol (over twice the legal limit) and MDMA use, and that seriously injured passengers.
How to confirm it is the same person
- Full legal name on the judgment: Cassidy Ellen Johnstone
- Photos on this site attributed from Instagram @cassidyjohnstone
- LinkedIn slug cassidyjohnstone · CyberCX / cybersecurity branding
- Court PDF and full judgment text hosted here
Start with the Cassidy Ellen Johnstone page, the conviction page, or the Harbour Bridge case page.



