Even though IoT heralds exciting business opportunities as it brings people closer, making the world smaller, companies must be mindful about ensuring access that is limited and secure. With the wave of mobile devices and wearables streaming into the workplace, each offering poses a new potential inroad for a cybercriminals. What with connectivity spreading into every corner of our lives and businesses, it has become increasingly challenging to maintain a clear view of entry points and data flow. Thus, it is necessary to encrypt sensitive data while restricting access and ensuring oversight. Not limiting to IoT, cyber threats have found their way into the Cloud domain too. Since most of the services that organizations uses reside in the Cloud, IT departments often lose oversight and control. Thus it is imperative that not only employees who bypass IT should be scrutinized on an ongoing basis but Cloud vendors too should be put under the microscope in order to protect mission critical information. Similarly, even as many infrastructures are counting on Big Data to defend against cyber-attacks, by the time specific information shows up in the databases, it might be too late and the cyber-attack may have already impacted the system. Such a dire situation calls for specialists who are adept at fighting and preventing cyber-attacks. Realizing this, we at CIOReview bring to you a list of ‘20 Most Promising Cyber Security Solution Providers 2016.’ Having being closely scrutinized by a distinct panel of judges including CEOs, CIOs, CXO, analysts and CIOReview editorial board, these vendors can be rest assured to furnish solutions that will help the IT department to be on top of their Cyber Security game.