Cybersecurity

Our daily life, economic vitality, and national security depend on a stable, safe, and resilient cyberspace.

Cyberspace and its underlying infrastructure are vulnerable to a wide range of risk stemming from both physical and cyber threats and hazards. Sophisticated cyber actors and nation-states exploit vulnerabilities to steal information and money and are developing capabilities to disrupt, destroy, or threaten the delivery of essential services.

Cybersecurity Overview

Strengthening the security and resilience of cyberspace has become an important homeland security mission.
Combating Cyber Crime

Today’s world is more interconnected than ever before. Yet, for all its advantages, increased connectivity brings increased risk of theft, fraud, and abuse.
Securing Federal Networks

DHS works with each federal civilian department and agency to effectively respond to ever-changing threats against their networks.
Protecting Critical Infrastructure

DHS draws on the Nation’s full range of expertise and resources to secure critical infrastructure from cyber threats.
Cyber Incident Response

DHS provides assistance to potentially impacted entities, analyzes the potential impact across critical infrastructure, investigates those responsible in conjunction with law enforcement partners, and coordinates the national response to significant cyber incidents.
Cybersecurity Insurance

Protects businesses and individuals from Internet-based risks and from risks relating to information technology infrastructure and activities.
Information Sharing

Information sharing is essential to the protection of critical infrastructure and to furthering cybersecurity for the nation.
Cyber Safety

Every time we connect to the Internet, we make decisions that affect our cybersecurity.
Cybersecurity Education & Career Development

DHS is committed to strengthening the nation’s cybersecurity workforce through standardizing roles and helping to ensure we have well-trained cybersecurity workers today as well as a strong pipeline of future cybersecurity leaders of tomorrow.
Cybersecurity Jobs at DHS

The demand for an experienced and qualified workforce to protect our Nation’s networks and information systems has never been higher.
Cybersecurity and Privacy

DHS empowers its cybersecurity programs to succeed by integrating privacy protections from the outset.
Cyber Research & Development

DHS continues to research and develop new innovative solutions to complex cybersecurity problems.
Cybersecurity Information Sharing Act of 2015 Implementation

Information on implementation of the Cybersecurity Information Sharing Act of 2015 and DHS’s Automated Indicator Sharing (AIS) initiative.