Final answer:
Security through obscurity is a measure that prevents attackers from easily discerning patterns and routines that are vulnerable to attack.
Step-by-step explanation:
The measure referred to in the question is called 'security through obscurity.' It refers to the practice of protecting information or systems by keeping them hidden or unknown to potential attackers. By making patterns and routines difficult to discern, the aim is to minimize the chances of an attacker finding vulnerabilities and conducting successful attacks.
However, it is important to note that security through obscurity should not be the sole measure of security. It should be combined with other robust security practices such as strong encryption, access control, regular security updates, and patching. These measures help to ensure the overall security of the system or information being protected.
An example of security through obscurity would be hiding the login page of a website by using a non-standard URL or not providing any hints about its existence. This can make it harder for potential attackers to discover and target the login page, adding an additional layer of protection.