Hacking software, which is easily accessible on the internet, can be downloaded and run on a standard desktop computer to guess or ‘crack’ passwords (you don’t need a super computer!).
Gellir lawrlwytho meddalwedd hacio, sy'n hawdd ei gael ar y Rhyngrwyd, a'i osod ar gyfrifiadur safonol er mwyn dyfalu neu 'gracio' cyfrineiriau (nid oes arnoch angen cyfrifiadur arbennig!).