These are 20 most common passwords leaked out to the dark web, per CNBC and Lockout: 123456 123456789 Qwerty Password 12345 12345678 111111 1234567 123123 Qwerty123 1q2w3e 1234567890 DEFAULT 0 Abc123 654321 123321 Qwertyuiop Iloveyou 666666