untuk mencegah hacker orang lain dari jarak jauh bisa masuk lihat pakai whatsapp anda maka whatsapp anda harus aktifkan sistim keamanan " verifikasi dua langkah "
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to prevent hacker other people from long distance can access see use your whatsapp then your whatsapp must enable system security " two step verification "
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http://star777diary.blogspot.com/2018/07/prevent-hacker-whatsapp.html
http://rocketmanajemen.com/verifikasi-2-langkah-whatsapp
http://www.techadvisor.co.uk/how-to/social-networks/secure-whatsapp-3654859