Because your date of birth is easy to find in public records,  it’s best to avoid using it in passwords and PINs. People who  know your birthday could also very easily guess your PIN.
Seg wakken azemz n tlalit-ik, yeshel ad yettwaf deg yikalasen izuyaz,  axir ur t-txeddmeḍ ara deg wawalen-inek uffiren d tengalt PINs. Imdanen yeẓran  azemz n tlalit-ik , ishel-asen ad d-afen tangalt-inek n PIN.