So now my other laptop doesn't have Internet access.
All wireless devices (even phones that access wi-fi, gaming devices, streaming media devices) will need the router's password entered into the wireless network settings.
Am I safe now?
This is a good start. You should also be running an antivirus program like Norton or AVG to make sure you don't download malicious code (viruses) that broadcast your data out onto the Internet; much further than onto the street or into a neighbor's house. I welcome comments below of better practices and more rigorous security measures. But this is the baseline set of practices to secure your home wireless network.
Here are some additional online resources you can use to keep your digital identity safe.
Your Digital Privacy Questions Answered
Privacy and Internet safety lawyer Parry Aftab answered "GMA" viewers' questions about digital privacy and why your personal correspondence may not remain private.
Cyber Threats in 2010
A computer security firm releases threat predictions for 2010.
Protect Your Business From Cybercrime
Tips from USA Today on how to protect your business and use a employ a "triple threat" security package.
Myth vs. Fact About Digital Privacy
Myths and facts about your online security including email, GPS and social media.
Tips to Stay Safe on Social Networking Sites
Posting information on social networking sites has lead to real-life security breaches.
Stay Vigilant to Steer Clear of Cybercrooks
Tips from USA Today on how to avoid the dangers of social media.
Teens and Social Media
Tips to help you control your teenager's use of social networking sites.
How Wired Gadgets Encroach on Privacy
Losing digital privacy in the era of high tech devices.
Perils in the Privacy Cloud
A column that argues privacy law is not developing as quickly as technology.
Tips from the federal government and the technology industry for guarding against fraud and protecting your computer and your identity.
PC World Magazine
A comprehensive resource from PC World magazine for how you can to avoid e-mail viruses, preventing spying and stop attempts to access your personal information.
United States Computer Emergency Readiness Team
Comprehensive cyber security tips written for the average computer users. The site covers privacy, threats, software, browsing and e-mail.
Provides comprehensive information and education about computer safety, cyberbullying and cyberabuse, online shopping, e-mail scams and fraud and building safer websites.