Feb 1, 2021 · What is cybersecurity? Cybersecurity is the art of protecting networks, devices, and data from unauthorized access or criminal use and the practice of ensuring confidentiality, integrity, and …

Nov 12, 2025 · Sophisticated cyber actors and nation-states exploit vulnerabilities to steal information and money and work to develop capabilities to disrupt, destroy, or threaten the delivery of essential …

Jan 12, 2026 · Cybersecurity and Infrastructure Security Agency (CISA) The Cybersecurity and Infrastructure Security Agency (CISA) leads the national effort to understand, manage, and reduce …

JCDC unifies cyber defenders from organizations worldwide. This team proactively gathers, analyzes, and shares actionable cyber risk information to enable synchronized, holistic cybersecurity planning, …

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Jun 22, 2025 · Low-level cyber attacks against US networks by pro-Iranian hacktivists are likely, and cyber actors affiliated with the Iranian government may conduct attacks against US networks. Iran …

CISA has curated a database of no-cost cybersecurity services and tools as part of our continuing mission to reduce cybersecurity risk across U.S. critical infrastructure partners and state, local, tribal, …

In December 2025, a malicious cyber actor (s) targeted and compromised operational technology (OT) and industrial control systems (ICS) in Poland’s Energy Sector—specifically renewable energy …

Cybersecurity and Infrastructure Security Agency (CISA) CISA is America's cyber defense agency and one of the largest cybersecurity employers in DHS. There are many paths to join CISA and help …

Feb 5, 2026 · Persistent cyber threat actors are increasingly exploiting unsupported edge devices - hardware and software that no longer receive vendor updates to firmware or other security patches. …