The Internet makes it easy for people to misrepresent their identities and motives. Consider limiting the people who are allowed to contact you on these sites. If you interact with people you do not know, be cautious about the amount of information you reveal or agreeing to meet them in person.

In many instances, deleting a file doesn’t mean it’s gone forever. It might still be recoverable by someone with the right tools. When recycling a device or giving it to someone else, use an overwrite program to ensure full deletion of personal information from the drive.

A firewall helps protect your computer from hackers who might try to gain access to crash it, delete information, or even steal passwords or other sensitive information. Software firewalls are widely recommended for single computers. The software is prepackaged on some operating systems or can be purchased for individual computers. For multiple networked computers, hardware […]

Don’t over share on social networking websites. Keep Social Security numbers, account numbers, and passwords private, as well as specific information about yourself, such as your full name, address, birthday, and even vacation plans.

Sharing updates about vacations and other trips is one of the most common social media activities, but it’s a risky one. Making this information publicly viewable can be dangerous to your physical security: Someone might plan a robbery based on knowledge of when you won’t be at home.

In order to prevent theft, unauthorized access and loss of sensitive information, never leave your mobile devices—including any USB or external storage devices—unattended in a public place. While on travel, if you plan on leaving any devices in your hotel room, be sure those items are appropriately secured.