Crossword clues for countermeasure
Longman Dictionary of Contemporary English
Douglas Harper's Etymology Dictionary
Wiktionary
n. Any action taken to counteract or correct another
WordNet
n. an action taken to offset another action
Wikipedia
A countermeasure is a measure or action taken to counter or offset another one. As a general concept it implies precision, and is any technological or tactical solution or system (often for a military application) designed to prevent an undesirable outcome in the process. The first known use of the term is in 1923.
Countermeasures can refer to the following disciplinary spectrum:
- Defense
- Medicine
- Materials engineering
- Electro-magnetic engineering
- Policing
- Information technology
- Law
- Diplomatic security
- Pollution prevention
Defense countermeasures are often subdivided into "active" and "passive" countermeasures.
Countermeasure in public international law refers to reprisals not involving the use of force. In other words, it refers to non-violent acts which are illegal in themselves, but become legal when executed by one state in response to the commission of an earlier illegal act by another state towards the former.
In computer security a countermeasure is an action, device, procedure, or technique that reduces a threat, a vulnerability, or an attack by eliminating or preventing it, by minimizing the harm it can cause, or by discovering and reporting it so that corrective action can be taken.
The definition is as IETF RFC 2828 that is the same as CNSS Instruction No. 4009 dated 26 April 2010 by Committee on National Security Systems of United States of America.
According to the Glossary by InfosecToday, the meaning of countermeasure is:
The deployment of a set of security services to protect against a security threat.A synonym is security control. In telecommunications, communication countermeasures are defined as security services as part of OSI Reference model by ITU-T X.800 Recommendation. X.800 and ISO ISO 7498-2 (Information processing systems – Open systems interconnection – Basic Reference Model – Part 2: Security architecture are technically aligned.
The following picture explain the relationships between these concepts and terms:
+ - - - - - - - - - - - - + + - - - - + + - - - - - - - - - - -+ | An Attack: | |Counter- | | A System Resource: | | i.e., A Threat Action | | measure | | Target of the Attack | | +----------+ | | | | +-----------------+ | | | Attacker |<==================||<========= | | | | i.e., | Passive | | | | | Vulnerability | | | | A Threat |<=================>||<========> | | | | Agent | or Active | | | | +-------|||-------+ | | +----------+ Attack | | | | VVV | | | | | | Threat Consequences | + - - - - - - - - - - - - + + - - - - + + - - - - - - - - - - -+A resource (both physical or logical) can have one or more vulnerabilities that can be exploited by a threat agent in a threat action. The result can potentially compromises the confidentiality, integrity or availability properties of resources (potentially different that the vulnerable one) of the organization and others involved parties (customers, suppliers).
The so-called CIA triad is the basis of information security.
The attack can be active when it attempts to alter system resources or affect their operation: so it compromises integrity or availability. A "passive attack" attempts to learn or make use of information from the system but does not affect system resources: so it compromises confidentiality.
A threat is a potential for violation of security, which exists when there is a circumstance, capability, action, or event that could breach security and cause harm. That is, a threat is a possible danger that might exploit a vulnerability. A threat can be either "intentional" (i.e., intelligent; e.g., an individual cracker or a criminal organization) or "accidental" (e.g., the possibility of a computer malfunctioning, or the possibility of an "act of God" such as an earthquake, a fire, or a tornado).
A set of policies concerned with information security management, the information security management systems (ISMS), has been developed to manage, according to risk management principles, the countermeasures in order to accomplish to a security strategy set up following rules and regulations applicable in a country.
Usage examples of "countermeasure".
He pickeled off his own long-range antiair missile, then turned his attention to the countermeasures and maneuvers he would need to evade the American missiles.
The Organization of Antisubmarine Warfare Having described the havoc wrought by the U-boats during the first six months of the war, we may now relate some of the principle countermeasures adopted, which bore fruit in the latter half of the year and in 1943.
Their one advantage, other than fierce riders and fine ponies, would be Agradeleous, and the Behrenese had learned effective countermeasures to the dragon.
Protecting the investment was a wide array of intrusion countermeasures, ranging from simple data barriers to the brain-frying 1C known in the trade as black ice.
Every day brought new tales of horrid devices being cooked up in the labs of terrorist-friendly governments and clever countermeasures developed in our own.
I doubt that the Air Force would be spending millions of dollars trying to build electronic countermeasures to hide the large number of expensive and very non-stealthy aircraft they continue to build, such as the F-15E.
While there were some dangers following them down into the house, most notably lasers guided by sensors whose sole purpose was to zap any wildlife that might find similar openings inside, they tended to be of a standard sort for which electronic countermeasures were already in the ferrets along with routines to deploy them.
Chekov took up his position at the defense subsystems monitor to bring the Enterprise’s antidetection countermeasures on line.
The rim armaments were still lancing away at the crustal countermeasures, but now the spore discharges were coming from tens of kilometres away, and it was clear that no immediate threat was posed, unless the crust was capable of improbably rapid regeneration.
For a few decades, it appeared that laser designators would provide an easy answer to the problem of accuracy, but as usual with technological solutions countermeasures limited their usefulness to specialist applications.
Specifically, they need to get their hands on some countermeasures the Kalindans developed against Imperial cloaking devices.
She barely noticed her embedded systems blocking its plaintive dying call, her built-in countermeasures jamming its upload signal with raw noise on the same packet-stream.
The schizophrenic is like a man permanently under the influence of mescalin, and therefore unable to shut off the experience of a reality which he is not holy enough to live with, which he cannot explain away because it is the most stubborn of primary facts, and which, because it never permits him to look at the world with merely human eyes, scares him into interpreting its unremitting strangeness, its burning intensity of significance, as the manifestations of human or even cosmic malevolence, calling for the most desperate countermeasures, from murderous violence at one end of the scale to catatonia, or psychological suicide, at the other.
All hands, this is Lightfoot, hostile fighter aircraft inbound from the east, report to your damage control stations, Stinger and countermeasures crews responding.
There was state-of-the-art security on the doors, but for every measure, a good home invader could devise a countermeasure.