Definition
A "countermeasure" is an action taken to counteract a threat or undesirable effect ๐ก๏ธ. It's a defensive strategy to mitigate risks or neutralize an opponent's actions. Think of it as a vaccine against a disease or antivirus software for your computer. Countermeasures are often proactive. Like, preparing for a test by studying. This response can prevent or limit the impact. Military and cybersecurity use them often.