{"type":"rich","version":"1.0","title":"CHAPTER 1 : INTRODUCTION TO NETWORK SECURITY","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/W0zNHg8lImAheqc2/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/5b4ccd1e0f252260217aa736\" frameborder=\"0\" allowfullscreen></iframe>"}