Downloadable computer software for internet security vulnerability assessment, managed security solutions, analyzing online security threats to exposure of personally identifiable information, sending alerts regarding exposure of personally identifiable information online, and assessing information vulnerability to access by hackers and stalkers; Downloadable software for analytics for cyber security for the detection of evidence of threats from sources such as the darkweb, deepweb, social media, open Internet, government websites and related sources that are used to steal personally identifiable information and for sending alerts regarding exposure of personally identifiable information online; Downloadable computer software that analyzes security threat data and identifies security threats from malicious hacker communities; Downloadable software for providing risk assessment of exposure of personal information online based on information on malicious threat actors