Official website of the Department of Homeland Security
Cybersecurity
Cybersecurity Overview
Our daily life, economic vitality, and national security depend on a stable, safe, and resilient cyberspace.
Combat Cyber Crime
As Americans become more reliant on modern technology, we also become more vulnerable to cyber attacks such as Corporate Security Breaches, Spear Phishing, and Social Media Fraud.
Secure Cyber Networks
DHS is responsible for overseeing the protection of the.gov domain and for providing assistance and expertise to private sector owners and operators of cyber networks.
What You Can Do
DHS works to safeguard and secure cyberspace through programs such as the Stop.Think.Connect.™ Campaign which helps the public recognizes cybersecurity challenges and is empowered to address them.
Cybersecurity Results
The Department continues to improve cybersecurity across all critical information sectors as well as its cyber infrastructure and networks.
How to Secure Your Web Browser
Learn to configure your web browser for safer Internet surfing.
Cybersecurity
Privacy's role in cybersecurity operations
Cyber Research & Development
DHS continues to research and develop new innovative solutions to complex cybersecurity problems.