Welcome to the fourth part of our comprehensive course on cybersecurity for beginners. The course begins by exploring browser security and introduces you to two popular browsers, Mozilla Firefox, and Brave Browser. You will delve into the concepts of HTTP and HTTPS protocols, understand the role of cookies in tracking your online activities, and learn how to mitigate their impact on your privacy. Next, you will learn about the significance of Virtual Private Networks (VPNs) in encrypting your internet connection and ensuring anonymity while browsing. Discover the importance of creating strong passwords and explore password managers as a secure solution to manage and protect your credentials. You will also dive into the realm of two-factor authentication (2FA) and understand its role in adding an extra layer of security to your online accounts. Additionally, the course addresses social media ethics, providing insights on responsible online behavior and practical steps to secure your accounts on platforms such as Facebook, LinkedIn, and Twitter. You will gain knowledge on identifying phishing attacks, managing email data securely, and implementing security measures for your Google account. The course also covers mobile app permissions, helping you understand their implications and offering guidance on checking default app permissions on both Android and iOS devices. By the end of the course, you will be able to defeat hackers and malware and also ensure your privacy online.