The intersection of psychological warfare, strategic communication and post-truth can be seen in the use of propaganda and misinformation to manipulate public opinion and achieve strategic goals. The rise of social media and the proliferation of online information has made it easier for governments, organisations and individuals to spread misinformation and propaganda. This has led to concerncs about the potential negative effects of psychological warfare and strategic communication on democratic societies and the challenges of combating the spread of post-truth. Overall, psychological warfare, strategic communication and post-truth are complex and multifaceted phenomena with the potential to significantly influence public opinion and shape societal attitudes and behaviour. Understanding the ways in which these concepts intersect and influence society is crucial in today's information-saturated world.