Where does “simjacking” come from?

simjacking (English) comes from English hijacking, from English hijack, from English jacker, from English jacklight, from English Jack, from Middle English jakke, from Anglo-Norman jacke, from Middle French jaque — heel of the foot; heel.

simjacking (English): A social engineering technique in which a person poses as the owner of a mobile phone number and convinces the provider to transfer it to a new SIM Subscriber Identity Module owned by the fraudster

Definitions

  1. A social engineering technique in which a person poses as the owner of a mobile phone number and convinces the provider to transfer it to a new SIM Subscriber Identity Module owned by the fraudster

Ancestry of “simjacking”, step by step

simjacking traces back through two separate lines of ancestry.

via English hijacking

StepLanguageWordMeaning
1Englishhijackingpresent participle of hijack; The act of one who...
2EnglishhijackTo forcibly seize control of some vehicle in order to rob it or to reach a destination (especially an airplane, truck or a boat)
3EnglishjackerOne who hunts at night using a jacklight
4EnglishjacklightA spotlight or lamp mounted on a car; To shine a...
5EnglishJackA placeholder or conventional name for any man,...
6Middle EnglishjakkeA padded coat, especially as light armour
7Anglo-Normanjacke
8Middle Frenchjaque
9Middle Frenchjacques
10Frenchjacquesplural of jacque; a stupid person; a jemmy or...
11LatinIacobusJacob; James; Saint James
12Ancient GreekἸάκωβος
13Ancient GreekἸακώβJacob
14HebrewיַעֲקֹבJacob
15Hebrewעָקֵבheel of the foot; heel

via English SIM

StepLanguageWordMeaning
1EnglishSIMacronym of simulation; acronym of social...
2EnglishsimulationSomething that simulates a system or environment...
3Middle Englishsymulacioundissembling, dishonesty, falsification
4Middle Frenchsimulation
5Old Frenchsimulation
6Latinsimulatiofeigning, shamming, pretence, feint; insincerity,...
7Latin-tiōtion, -ation, -ing
8Latindissertātiō(spoken) dissertation, discourse, disquisition
9Latindissertusarranged, disposed; explained
10Latindissereresecond-person singular future passive indicative...
11Latindis-asunder, apart, in two; reversal, removal;...
12Latincalceusshoe
13Latincalxlimestone; chalk; the finish line
14Ancient Greekχάλιξsmall stone, pebble; gravel, rubble
Every word from Hebrew עָקֵב