The future of security rests on the reliability of biometric data. Popular culture has cultivated the idea that forensic information is infallible, and that a fingerprint or voiceprint will never be forged. But biometric systems aren't without their vulnerabilities. Researchers from the University of North Carolina at Chapel Hill downloaded 20 volunteers' social media pictures and built 3-D models of their faces to breach four of five security systems. The study is just one example of the many challenges facing biometrics today. The privacy implications of biometric data are complicated. Similar to that of a password database, the risk of misuse of biometric data is similar but different. While passwords can be changed, biometric data is permanent. Hence, biometric systems require multiple authentication methods. Moreover, some biometric systems incorporate additional features for better security. As the world continues to become increasingly connected, it is imperative to secure personal data. But before making the switch, consider what privacy concerns arise from biometrics. The Biometrics Technology uses unique physical and behavioral features of an individual to identify that person. These biometric features are called biometric signatures. Virtually all biometric techniques use a sensor to gather raw biometric data. The next step in biometric data processing is feature extraction. This step processes the raw biometric data and compares it against stored templates. Finally, decision-making steps authenticate the claimed identity. In practice, biometric systems have the potential to verify identity without the need for human verification. The post-September 11 climate has spurred a host of initiatives and funding to improve security. The US State Department is launching an initiative to develop a biometric passport. This passport will authenticate US citizens traveling abroad and could have a contactless chip inside. In addition, a new law will require all countries participating in the US Visa Waiver Program to issue passports that incorporate biometric identifiers and meet international standards. Face biometrics are becoming increasingly common in a wide variety of applications, including immigration and travel. Heathrow Airport in the United Kingdom has recently installed biometric systems, and the Netherlands is considering it for its airport. The technology can also be used to verify voter registration. The market for face biometrics is expected to reach $1.9 Billion in 2026, with a compound annual growth rate of 11.6%. It is not a surprise that security is a major factor in biometrics adoption. The FBI uses biometric systems and fingerprint capture tools to identify suspects. The FBI's Flyaway Program (MBAP) is one such example of a biometric system that is currently in use. This system uses a mobile device - an FBI-issued smart phone or tablet - to capture fingerprint data. Using this data, law enforcement officials are able to positively identify a suspect, even if they're far away from the country. Behavioral biometrics, on the other hand, are based on unique patterns in a person's behavior and physical traits. The former is an innate trait that cannot be changed, while the latter is learned behavior. These techniques are becoming more accurate. Eventually, they may even replace passwords.
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