The world of safety management has very dynamic positions across all career fields. All types of security professionals and many different roles are needed to accomplish the security mission. Security professionals care about the homeland and are more present in a global perspective. The need to fill different roles on a global scale will continue as long as security is needed. Leading and managing in the 21st century has an enormous responsibility and needs a serious critical review. Furthermore, this critical review is important to the national security of America and the rest of the world. The influence a leader and manager has on the security industry is vital. The positions are so crucial because security professionals at all levels need influential leaders. All types of security professionals are needed to perform the challenging profession of security without fail. The 21st century presents a challenge for any career choice, but when it comes to security it is an ever-changing environment. Furthermore, the reason it changes is due to technology, threats, resources, and many other areas under the security umbrella that need protection. Not to mention that terrorism continues to expand ideas and find different ways to attack without fail. Not just in America, but around the world. This is why leading applications of the 21st century are also used and recently quick chat applications are also used. Microsoft Lync is used and is similar to text messaging. This helps streamline communication and be even faster because contacts can be displayed as available or unavailable. Getting questions answered without waiting for an email response saves a leader time. Decisions can be made and agreed upon without even speaking face-to-face with employees. Many times this type of communication can have less meaning depending on the task or question needed