A countermeasure is a measure or action taken to counter or offset another one.
From the en.wikipedia.org
As a countermeasure, Taoism promoted itself as a religion with Chinese roots.
From the blogs.psychcentral.com
An obvious countermeasure is to keep critical defence equipment off the net.
From the economist.com
An American air strike against the sites would seem the most logical countermeasure.
From the time.com
Simply put, we have the countermeasure available, and proven technology to deliver it.
From the economist.com
Obesity My Discovery complete with the countermeasure to correct the multiple damage.
From the economist.com
As a countermeasure, she played talk radio into her receiver and used pay phones instead.
From the time.com
An easy countermeasure would be evacuating to a cordoned off part of the tarmac instead.
From the theatlantic.com
As a countermeasure, the Navy might set its mines to go off at extremely faint signals.
From the time.com
More examples
An action taken to offset another action
A countermeasure is a system (usually for a military application) designed to prevent sensor-based weapons from acquiring and/or destroying a target.
(countermeasures) Action, device, procedure, technique, or other measure that reduces the vulnerability of an automated information system. ...
(Countermeasures) Employment of devices and/or techniques designed to impair the operational effectiveness of enemy activity.
(countermeasures) (Army) - Actions taken to counter danger, threat, or hazards. (See also risk management.)
(COUNTERMEASURES) Steps taken by ships in order to avoid being spotted, including sensor jamming, chaff and other distractions.
(Countermeasures) In some cases the development of countermeasures is desired or recommendations have to be issued to prevent further accidents of the same kind.
Anything which effectively negates or mitigates an adversary's ability to exploit vulnerabilities.
Reactive methods used to prevent an exploit from successfully occurring once a threat has been detected. Intrusion Prevention Systems (IPS) commonly employ countermeasures to prevent intruders form gaining further access to a computer network. ...