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 services. Defending against these attacks is essential to maintaining the nation’s security. Any cyber-attack, no matter how small, is a threat to our national security and must be identified, managed ...
See Table 2 to Table 4 for all referenced threat actor tactics and techniques in this advisory. The authoring agencies recommend organizations review historical TTPs for similar Iranian-affiliated cyber actor activity in IRGC-Affiliated Cyber Actors Exploit PLCs in Multiple Sectors, Including US Water and Wastewater Systems Facilities.
JCDC unifies cyber defenders from organizations worldwide. This team proactively gathers, analyzes, and shares actionable cyber risk information to enable synchronized, holistic cybersecurity planning, cyber defense, and response.
CISA provides information on cybersecurity best practices to help individuals and organizations implement preventative measures and manage cyber risks.
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 availability of information. It seems that everything relies on computers and the internet now—communication (e.g., email, smartphones, tablets), entertainment (e.g., interactive video games, social ...
Cybersecurity Advisory: Provides detailed information on cyber threats, including threat actor tactics, techniques, and procedures and indicators of compromise, along with recommended actions for detection, mitigation, and response.
The Department of Homeland Security and its components play a lead role in strengthening cybersecurity resilience across the nation and sectors, investigating malicious cyber activity, and advancing cybersecurity alongside our democratic values and principles.
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 plants, a combined heat and power plant, and a manufacturing sector company—in a cyber incident. The malicious cyber activity highlights the need for critical infrastructure entities with vulnerable ...
Poland Energy Sector Cyber Incident Highlights OT and ICS ... - CISA
Overview Cyber incidents can harm U.S. national security interests, foreign relations, and the economy and can impact public confidence, civil liberties, and health and safety. Because of this risk, all organizations should have clear, executable cyber incident response plans and strategies to protect their own interests and prevent an incident from growing and causing greater harm. As ...
The Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), Environmental Protection Agency (EPA), and Department of Energy (DOE) are aware of cyber incidents affecting the operational technology (OT) and industrial control systems (ICS).
SHIELDS UP! As the nation’s cyber defense agency, CISA stands ready to help organizations prepare for, respond to, and mitigate the impact of cyberattacks. Report a Cyber Issue
Cybersecurity Scenarios These CTEPs include cybersecurity-based scenarios that incorporate various cyber threat vectors including ransomware, insider threats, phishing, and Industrial Control System (ICS) compromise. There are also sector-specific cybersecurity scenarios for elec
Those who make business plans should be experts. Therefore, the experts who planned production were drawn from industry itself. Additional references were identified through searching bibliographies of related publications and through contact with relevant topic experts and industry.
An expert is a person who is very skilled at doing something or who knows a lot about a particular subject. Our team of experts will be on hand to offer help and advice between 12 noon and 7pm daily.
An expert, more generally, is a person with extensive knowledge or ability based on research, experience, or occupation and in a particular area of study. Experts are called in for advice on their respective subject, but they do not always agree on the particulars of a field of study.
expert (plural experts) A person with extensive knowledge or ability in a given subject. quotations
The team of experts includes psychiatrists, psychologists and social workers. What one expert sees as the organisational goals are different from the views of another expert.
"why" can be compared to an old Latin form qui, an ablative form, meaning how. Today "why" is used as a question word to ask the reason or purpose of something. This use might be explained from a formula such as "How does it come that ...". If you meet an old friend of yours, whom you never expected to meet in town, you can express your surprise by saying: Why, it's Jim! This why in the ...
11 Why is it that everybody wants to help me whenever I need someone's help? Why does everybody want to help me whenever I need someone's help? Can you please explain to me the difference in meaning between these two questions? I don't see it.
"What we find is you actually look at the world slightly differently, because you're looking for things you want to capture, that you may want to hang onto," Dehl explains.
explain, expound, explicate, elucidate, interpret mean to make something clear or understandable. explain implies a making plain or intelligible what is not immediately obvious or entirely known.
EXPLAIN meaning: 1. to make something clear or easy to understand by describing or giving information about it: 2…. Learn more.
To explain is to make plain, clear, or intelligible something that is not known or understood: to explain a theory or a problem. To elucidate is to throw light on what before was dark and obscure, usually by illustration and commentary and sometimes by elaborate explanation: They asked him to elucidate his statement.
Explain, elucidate, expound, interpret imply making the meaning of something clear or understandable. To explain is to make plain, clear, or intelligible something that is not known or understood: to explain a theory or a problem.
Synonyms: explain, elucidate, explicate, interpret, construe These verbs mean to make the nature or meaning of something understandable. Explain is the most widely applicable: The professor used a diagram to explain the theory of continental drift. The manual explained how the new software worked.
Explain is the most general of these words, and means to make plain, clear, and intelligible. Expound is used of elaborate, formal, or methodical explanation: as, to expound a text, the law, the philosophy of Aristotle.