Update Operating Systems Operating Systems of all varieties - Windows, Mac, Linux, and others, are constantly being updated. These updates often fix bugs, but they also protect the system from newly discovered vulnerabilities. It can seem difficult to keep updating constantly, but this is very important to protect even non-sensitive systems. Update Vulnerable Software Many critical software components, such as Java or Adobe Flash, have many vulnerabilities and need to be aggressively updated. Install Anti-Virus Move to Licensed Anti-Virus Update Anti-Virus Most AV tools automatically update, but this can sometimes get out of sync, or if the AV was a pre-installed trial system, it will stop updating after its trial period. An out of date anti-virus is worthless. Install Anti-Malware scanner Encrypt Hard Drives Activate a personal firewall A DAY IN THE LIFE Summary Page 73 of 240