Misusing work computer
All personal data and behavior done on any work device is collected by your employer. Don’t whine about your needy boss, overshare, gossip or make off-color jokes on the company’s messaging software. Stay away from social media and chatrooms other than of the company (post positive comments only). Never use your work computer to look for another job. Forget shopping and banking unless you want IT and your boss have all your credit card and bank account information. Store your family pictures anywhere else. Don’t assume that clearing the history log in your computer is enough to get rid of evidences. Understand that everything outside of work on work devices jeopardize your job.