Easter EggHidden functionality within an application program, which becomes activated when an undocumented, and often convoluted, set of commands and keystrokes are…
EavesdroppingSurreptitiously obtaining data from an unknowing end user who is performing a legitimate function.
Education (Information Security)Education integrates all of the security skills and competencies of the various functional specialties into a common body of knowledge . . .
Egress FilteringThe process of blocking outgoing packets that use obviously false Internet Protocol (IP) addresses, such as source addresses from internal networks.
Electronic CredentialsDigital documents used in authentication that bind an identity or an attribute to a subscriber's token.
Electronic EvidenceAccording to Black's law dictionary, evidence is 'any species of proof, or probative matter, legally presented at the trial of an issue, by the act of…
Electronic Key EntryThe entry of cryptographic keys into a cryptographic module using electronic methods such as a smart card or a key-loading device.
Encrypted KeyA cryptographic key that has been encrypted using an Approved security function with a key encrypting key, a PIN, or a password in order to disguise the…
Encrypted NetworkA network on which messages are encrypted (e.g. using DES, AES, or other appropriate algorithms) to prevent reading by unauthorized parties.
EncryptionA procedure that renders the contents of a message or file unintelligible to anyone not authorized to read it.
Encryption CertificateA certificate containing a public key that is used to encrypt electronic messages, files, documents, or data transmissions, or to establish or exchange a…
End to End EncryptionCommunications encryption in which data is encrypted when being passed through a network, but routing information remains visible.
End UserA person who uses SmarterMail to send and receive mail, or to manage a domain consisting of other end user email accounts.
EnrollmentThe process of collecting a biometric sample from an end user, converting it into a biometric reference, and storing it in the biometric system's database…
EntropyA measure of the unavailable or unusable energy in a system; energy that cannot be converted to another form.
EnvironmentAll the natural and living things around us. The earth, air, weather, plants, and animals all make up our environment.
Ephemeral KeysShort-lived cryptographic keys that are statistically unique to each execution of a key establishment process and meets other requirements of the key type…
Equal Error Rate (EER)A statistic used to show biometric performance, typically when operating in the verification task.
Error Detection CodeA code computed from data and comprised of redundant bits of information designed to detect, but not correct, unintentional changes in the data.
EscrowA financial instrument held by a third party on behalf of the other two parties in a transaction.
eventIn LotusScript, an action or occurrence to which an application responds. That action can be a user-generated one, such as a mouse click; a…
ExaminationReview of a patent application to determine if a claimed invention is patentable. MPEP Introduction.