You may think your password is unique because it's a jumble of characters, but it may not be very strong simply because it's not long enough. The longer that uniqueness, the more uncrackable the password will be.
Once a home is burgled, people lose their sense of security and try to gain it back through the installation of an alarm system. A home alarm system can certainly provide security, but people who are victimized in this way often face years of emotional aftershocks.
Security and flushing out the bad guys begins with understanding the web of associations between related devices, which helps businesses identify and shut down entire fraud rings. Lastly, online businesses run their highly-customized business rules as the transaction or activity is attempted.