Exercises

1. Where supported, set up two-factor authentication for all your internet-accessible accounts containing data that you care about. This includes bank accounts, email accounts, social media, code repositories (if you are a software developer), medical services, and anything else you value. Ensure at all stages that you are using only information and software applications from trusted sources.
2. Create strong passwords for all your internet-accessible accounts containing information of value that cannot be protected by two-factor authentication. A strong password is long (15 characters or more) and includes uppercase, lowercase, numerical, and special characters (for example: ! " # $ % & ' ( ) * +). To keep track of these complicated passwords, install and use a reputable password safe application. Use care when selecting a password safe and consider its source.
3. Update the operating system and other applications and services (such as Java) on all...