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electronic counter measure (settop) (ECM)

Electronic Counter Measures (ECM) are strategic countermeasures. The term originates from warfare and is used in communications technology and telecommunications to render counterfeit, expired or defective smart cards unusable for pay TV.

There are various technical approaches in which, for example, the validity of the pay TV card is regularly updated by renewing the ID number or by changing the encryption algorithm of the registered pay TV cards.

Informations:
Englisch: electronic counter measure (settop) - ECM
Updated at: 21.11.2008
#Words: 67
Links: entity coordination management (ECM), smart, television (TV), identification number (ID), encryption (ENC)
Translations: DE
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