Software as a service (SAAS) services featuring software, configurations and controls for cybersecurity and computer security; software as a service (SAAS) services, featuring software, configurations and controls for use in preventing unauthorized access to and misuse of computer systems, identifying and detecting viruses, worms, Trojans, spyware, adware, malware, and ransomware, authenticating domain-based email messages, and identifying malicious websites; consulting services in the fields of cybersecurity and computer security; consulting services in the field of managing and optimizing computer security software to prevent unauthorized access to and misuse of computer systems, identify and detect viruses, worms, Trojans, spyware, adware, malware, and ransomware, authenticate domain-based email messages, and identify malicious websites.