Check regularly for updates from manufacturers and ensure proper installation. If you leave them ignored, you computer is available for hacks, especially as it is connected online. Set a monthly or weekly schedule to ascertain operating systems are up-to-date.
Run reports of network system to identify any data abnormal activity. Automate the system reports so that the backing up process also sends a report daily, telling you a recent file updates. Update IT policies and office as the technologies keep changing and remind the coworkers to follow. Replacing or update of software is best done as a timely manner. Failure to update leaves the PC open to hackers and virus-writers to take advantage. Update the firewall and virus definitions to work with intrusions. Use the online backup tools for recovery and data preservation regularly.