Keta Haƙƙin Mallaka (a wasu lokuta ana kiransu satan aiki wato copyright infringement a turance) shi ne amfani da ayyukan da aka kiyaye ta dokar haƙƙin mallaka ba tare da izinin yin amfani da su ba inda ake buƙatar irin wannan izini, don haka keta wasu haƙƙoƙin keɓaɓɓu da aka ba wa mai haƙƙin mallaka, kamar haƙƙin sake wallafawa, ko sayar wa da yadawa, ko kuma amfani da wani sashin mawallafin. Sharuɗɗan fashin aiki da sata galibi suna da alaƙa da keta haƙƙin mallaka.   Asalin ma'anar fashin teku shine "fashi ko tashin hankali ba bisa ka'ida ba a teku",  amma ana amfani da kalmar tsawon ƙarnika a matsayin daidai ga ayyukan keta haƙƙin mallaka.   Sata, a halin yanzu, yana jaddada illar cin zarafi ga masu mallakar haƙƙin mallaka. Koyaya, haƙƙin mallaka nau'ikan mallakar ilimi ne, yanki ne na doka wanda ya sha bamban da wanda ya shafi fashi ko sata, laifukan da suka shafi dukiya kawai . Ba duk hakkin mallaka ƙeta sakamakon a kasuwanci asarar, da kuma US Kotun Koli mulki a shekarar 1985, da cewa ƙeta ba saukin danganta da sata.