In NSW, “post and boast” laws mean your social media upload can do more than identify you — it can increase your legal exposure. Section 154K targets “performance crime”, where a person commits a motor theft or break-and-enter offence and then disseminates footage to advertise it. In plain terms: if you steal a car and film yourself for TikTok, Snapchat or Instagram, you may be handing police a clean brief of evidence — and facing a higher maximum penalty than you would have