science

Information operations condition

Information operations condition is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Information operations condition rather than just read about it. In short: INFOCON (short for information operations condition) is a threat level system in the United States similar to that of FPCON. It is a defense system based primarily on the status of information systems and is a method used by the military to defend against a computer network attack.

Key takeaways

Information operations condition belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Information operations condition to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Information operations condition from memory before moving on to harder problems.

Reference excerpt

INFOCON (short for information operations condition) is a threat level system in the United States similar to that of FPCON. It is a defense system based primarily on the status of information systems and is a method used by the military to defend against a computer network attack.

Description There are five levels of INFOCON, which recently changed to more closely correlate to DEFCON levels. They are:

INFOCON 5 describes a situation where there is no apparent hostile activity against computer networks. Operational performance of all information systems is monitored, and password systems are used as a layer of protection. INFOCON 4 describes an increased risk of attack. Increased monitoring of all network activities is mandated, and all Department of Defense end users must make sure their systems are secure. Internet usage may be restricted to government sites only, and backing up files to removable media is ideal. INFOCON 3 describes when a risk has been identified. Security review on important systems is a priority, and the Computer Network Defense system's alertness is increased. All unclassified dial-up connections are disconnected. INFOCON 2 describes when an attack has taken place but the Computer Network Defense system is not at its highest alertness. Non-essential networks may be taken offline, and alternate methods of communication may be implemented. INFOCON 1 describes when attacks are taking place and the Computer Network Defense system is at maximum alertness. Any compromised systems are isolated from the rest of the network.

Similar concepts in private-sector computing

ThreatCon (Symantec) Symantec's ThreatCon service no longer exists. Broadcom has acquired Symantec.

In popular culture In the TV Series, Crisis, the US government goes to INFOCON 2 when Francis Gibson has a massive cyber attack initiated upon the United States, nearly bringing it to war with China.

See also Alert state Attack (computing) LERTCON DEFCON EMERGCON FPCON (THREATCON) Threat (computer) WATCHCON

References

Strategic Command Directive (SD) 527-1 (2006-01-27). "Department of Defense (DOD) Information Operations Condition (INFOCON) System Procedures" (PDF). DISA Policy and Guidance. Retrieved 2009-09-27. {{cite journal}}: Cite journal requires |journal= (help)CS1 maint: numeric names: authors list (link)

Worked examples

Example 1 — a first encounter with Information operations condition

Start with the simplest possible case. Write down what Information operations condition claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Information operations condition before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Information operations condition ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Information operations condition

In research: Information operations condition appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Information operations condition in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Information operations condition is common in secondary-school and first-year university syllabi. It links to neighbouring topics Alert measurement systems, so understanding it makes those chapters shorter.
In everyday life: Look for Information operations condition outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Information operations condition in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Information operations condition means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Information operations condition out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Information operations condition in simple terms?

Why does Information operations condition matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Information operations condition?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Information operations condition.