With IT technologies changing more rapidly than ever before, the landscape of network security has also transformed in an immense way. With developments such as Internet of Things (IoT) and Bring Your Own Device (BYOD), security concerns are on the rise and a hardened network perimeter is no longer enough to deal with them. In case the firewall is breached by a threat, the linear nature of traditional data centers would mean that viruses are free to roam all over the compromised section of the network. As per Symantec estimates, more than 348 million identities were exposed through data breaches in 2014 alone and close to 500,000 web attacks are blocked every single day. With hackers coming up with new and improved ways to breach security protocols, there is an ever increasing demand for secure networks. Listed below are six ways in which Software-Defined Networking (SDN) can address these concerns to fortify data center security.