Hacking the hacker: How a consultant shut down a malicious user

John Verry is the Principal Enterprise Security Consultant for Pivot Point Security, which specializes in internal controls auditing, ethical hacking, and security event management. He has conducted security assessments for numerous Fortune 100 companies, healthcare providers, state and local government agencies, and not-for-profit organizations. In this compilation, you'll read in John's own words how he:

• discovered during one engagement one client's FTP server had already been hacked and was being used for illegal purposes, and what he did to uncover the culprit.
• focused on the prevention of Identity Theft around an ERP rollout
• hacked a bank's critical applications, their Application Service Provider, and another bank's hosted network