A good blog to follow is Krebs on Security: https://krebsonsecurity.com/ https://krebsonsecurity.com/ He often has screenshots and other details on the workin

A good blog to follow is Krebs on Security: https://krebsonsecurity.com/ https://krebsonsecurity.com/ He often has screenshots and other details on the working of various markets. Here is a market for ecommerce credentials: https://krebsonsecurity.com/2012/12/exploring-the-market-for-stolen-passwords/ https://krebsonsecurity.com/2012/12/exploring-the-market-for... What use a hacked PC has: http://krebsonsecurity.com/2012/10/the-scrap-value-of-a-hacked-pc-revisited/ http://krebsonsecurity.com/2012/10/the-scrap-value-of-a-hack... And even a thriving software industry for the bad guys http://krebsonsecurity.com/2013/07/one-stop-bot-chop-shops/ http://krebsonsecurity.com/2013/07/one-stop-bot-chop-shops/ Counterpane is a company (now owned by BT) that sells managed network security services as an example of how you sell to the firms.