A countermeasure is an action, process, device, or system that can prevent, or mitigate the effects of, threats to a computer, server or network. In this context, a threat is a potential or actual adverse event that may be malicious or incidental, and that can compromise the assets of an enterprise or the integrity of a computer or network.
By submitting your email address, you agree to receive emails regarding relevant topic offers from TechTarget and its partners. You can withdraw your consent at any time. Contact TechTarget at 275 Grove Street, Newton, MA.
Countermeasures can take the form of software, hardware and modes of behavior. Software countermeasures include:
- personal firewalls
- application firewalls
- anti-virus software
- pop-up blockers
- spyware detection/removal programs.
- biometric authentication systems
- physical restriction of access to computers and peripherals
- intrusion detectors
- frequent deletion of stored cookies and temporary files from Web browsers
- regular scanning for viruses and other malware
- regular installation of updates and patches for operating systems
- refusing to click on links that appear within e-mail messages
- refraining from opening e-mail messages and attachments from unknown senders
- staying away from questionable Web sites
- regularly backing up data on external media.
In military applications, a countermeasure is a system or strategy intended to prevent an enemy from compromising a target. This can be done by shielding, concealing or moving the target, creating decoys or otherwise confusing the enemy.