Chii chinonzi PIN?
A pachake kuzivikanwa nhamba (PIN), kana dzimwe nguva redundantly ane PIN nhamba kana PIN yekubvuma, ndiyo nhamba (dzimwe nguva arufabheti-nhamba) pasiwedhi rinoshandiswa pakuita authenticating munhu achishandisa kuwana hurongwa.  PIN yave iri chinhu chinokosha pakuita kuti pave nokuchinjana kwokusazivikanwa kwedata pakati penzvimbo dzakasiyana-siyana dzokushandisa mashoko mumakombiyuta ezvokutengeserana, hurumende, uye mabhizimisi. PIN dzingagona kushandiswa kuzivisa masisitimu emabhangi nevanobata makadhi, hurumende nevagari, mabhizimisi nevashandi, uye makombiyuta nevashandisi, pakati pezvimwe zvinoshandiswa.  Kazhinji, PINs anoshandiswa ATM kana POS kwema, yakachengeteka kuwana kuzvidzora (semuenzaniso kombiyuta kuwana, musuo kuwana, motokari kuwana), Indaneti kwema, kana kuti danda kupinda kunorambidzwa Website.