- A digital certificate is an electronic "credit card" that establishes your credentials when doing business or other transactions on the Web. It is issued by a certification authority (CA). It contains your name, a serial number, expiration dates, a copy of the certificate holder's public key (used for encrypting messages and digital signatures), and the digital signature of the certificate-issuing authority so that a recipient can verify that the certificate is real. Some digital certificates conform to a standard, X.509. Digital certificates can be kept in registries so that authenticating users can look up other users' public keys.
Screencast: How to configure a UTM device: In this exclusive screencast, expert David Strom demonstrates the configuration options available in SonicWall's unified threat management product.
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denial of service(SearchSoftwareQuality.com) A denial of service (DoS) attack is an incident in which a user or organization is deprived of the services of a resource they would normally expect...
distributed denial-of-service attack(SearchSecurity.com) On the Internet, a distributed denial-of-service (DDoS) attack is one in which a multitude of compromised systems attack a single target, thereby...
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- A digital certificate is an electronic "credit card" that establishes your credentials when doing business or other transactions on the Web. It is issued by a certification authority (
