So far, the Google Cybersecurity Certificate has given me a solid foundation in how cybersecurity actually works. I’ve learned about core concepts like the CIA triad different types of threats like phishing and malware,and why protecting sensitive data like personal and financial information is so important.I’ve also started to understand what a security analyst actually does day to day. This includes monitoring systems, reviewing logs, using tools like SIEM, and responding to potential threats. One thing that stood out to me is how much of the job is about being proactive, like keeping systems updated and controlling access before something goes wrong.
This week I focused a lot on understanding time complexity and recursive analysis. It was challenging at first to figure out how to break down recursive functions and write the correct recurrence relations. Applying the Master Theorem was especially tough because I had to carefully identify each part of the formula and decide which case applied. I also spent time reviewing the difference between Big O, Big Omega, and Big Theta, which helped me better understand how to describe the efficiency of an algorithm. These concepts took time to click but working through examples really helped.
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