A weak password has been identified as the primary vulnerability that led to the downfall of KNP, a 158-year-old transport company. The company was forced to cease operations after falling victim to an international hacking group targeting numerous UK businesses. This incident highlights the critical importance of robust cybersecurity measures, particularly strong and unique passwords, for organizations of all sizes to protect against increasingly sophisticated cyber threats. The attack underscores the potential devastating consequences of neglecting basic online security protocols.