Free online courses from beginner to expert: clear lessons, real-world examples, exercises with solutions and a certificate when you finish.
Learn to clean, analyze and present data with Excel, Google Sheets, SQL, Power BI, Looker Studio and Python, using one realistic sales dataset from your first formula to a portfolio project.
Learn to spot phishing, lock down passwords and Wi-Fi, build a small-business security plan, apply NIST CSF 2.0 and the OWASP Top 10, respond to incidents and prepare for ISC2 CC or Security+.
Learn to code in Python step by step, from your first program to pandas, SQL, web scraping and machine learning, with real projects and tested code.