Rolling code

A rolling code is a security measure used in remote keyless systems to prevent replay attacks, where an attacker records a valid code from the transmitter and replays it at a later time to gain unauthorized access. Each time the transmitter sends a code, it uses a different code, which is generated by a pseudorandom … Read more

Capacitive scanner

A capacitive scanner is a device used to detect and measure the capacitance of an object. Capacitance is the ability of a material to store an electric charge. The capacitance of an object is affected by its size, shape, and composition. Capacitive scanners are used in a variety of applications, including fingerprinting, security, and industrial … Read more

Credential stuffing

Credential stuffing is a type of cyber attack in which stolen usernames and passwords are used to gain unauthorized access to a variety of online accounts. This type of attack is often automated, making it easy for attackers to gain access to a large number of accounts with little effort. Credential stuffing is a serious … Read more

Enhanced driver’s license (EDL)

Enhanced driver’s licenses (EDLs) are a type of driver’s license that allows the holder to cross the border into the United States from Canada, Mexico, or Bermuda without the need for a passport or other travel document. EDLs are issued by states that have been approved by the Department of Homeland Security to participate in … Read more

Website security question

A website security question is a question that is asked by a website in order to verify the identity of a user. The question is typically used to recover a lost password or to gain access to a restricted area of the website. Website security questions are often personal in nature, such as “What is … Read more

Selfie pay authentication

Selfie pay authentication is a method of authenticating a user’s identity using a selfie. This can be done by taking a picture of oneself using a camera or smartphone, or by using a pre-existing image. The selfie is then compared to a database of images, and if there is a match, the user is authenticated. … Read more

Physiognomy

Physiognomy is the practice of judging a person’s character or personality from their appearance, especially their face. It can also be used to refer to the general appearance of a person, object, or place. What is physiognomy in psychology? Physiognomy is the study of facial features and their supposed relationship to personality and psychological traits. … Read more

Remote keyless entry (RKE)

Remote keyless entry (RKE) systems allow a user to unlock a vehicle door without physically touching the vehicle. They typically use a key fob transmitter which sends a signal to a receiver unit mounted on the vehicle. The receiver unit then unlocks the door. RKE systems are convenient for users as they allow them to … Read more

Cryptogram

A cryptogram is a type of puzzle that uses letter substitution to encode a message. The recipient of the message must decode the message in order to read it. Cryptograms are often used as a security measure to protect information. What is a cryptogram example? A cryptogram is a type of puzzle that uses letter … Read more