Grier Forensics, formerly known as qDefense and also as VESARiA LLC is a network security firm specializing in both consulting and forensic investigation. VESARiA had offered customized network evaluations to its customers in order to highlight security weakpoints and advise customers on best practices for security ensurance. For customers who have already experienced a breach of their network or employee misconduct, the firm conducts forensic investigations to determine both what has occured and how to prevent future occurances.