 Complete the following phrase:  The vulnerability of secure networks such as JWICS to inside threats was revealed with the leak of hundreds of thousands of secret US intelligence documents; the largest in US history at the time. At the epicenter of these leaks was an intelligence analyst in their early twenties named Chelsea Manning. Manning was stationed in Iraq in 2010 where they accessed JWICS, along with its lower-level counterpart SIPRNET, to leak documents to WikiLeaks, a non-profit platform for whistleblowers headed by Julian Assange. Manning was directly involved in the leaks known as 