Ulya, Nurul Kholisatul; Nugroho, Lukito Edi; Adhipta, Dani (Universitas Muhammadiyah Surakarta, 2015-12-07)
Password is important information to access or enter a system. Alphanumeric is a text-based password system that is commonly used. Unfortunately, many users make a weak password that is easy to guess and vulnerable to ...