isaca is a global association that provides it professionals with knowledge, credentials, training and community in audit, governance, risk, privacy and cybersecurity.

sans institute is the most trusted resource for cybersecurity training, certifications and research. offering more than 60 courses across all practice areas, sans trains over 40,000 cybersecurity professionals annually.

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giac certifications develops and administers premier, professional information security certifications. more than 30 certifications align with sans training and ensure mastery in critical, specialized infosec domains. giac certifications provide the highest and most rigorous assurance of cyber security knowledge and skill available to industry, government, and military clients across the world.

a computer science portal for geeks. it contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview questions.

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collaborate for free with online versions of microsoft word, powerpoint, excel, and onenote. save documents, workbooks, and presentations online, in onedrive. share them with others and work together at the same time.

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