Remove phone number as a password reset method. Use an authenticator app (Google Authenticator, Authy) instead of SMS for 2FA. Add a PIN to your mobile carrier account. Malware / Keyloggers Attacker infects your device via a Trojan disguised as a "free hack tool" (ironically), a game cheat, or an email attachment.
Use HTTPS, avoid public Wi-Fi without VPN, log out of Facebook on shared devices, and use "Login Notifications" in Facebook settings. SIM Swapping Attacker tricks your mobile carrier into transferring your phone number to their SIM card, then uses "password reset via SMS" to take over your account. Descargar Xploit Para Hackear Facebook Gratis
Use antivirus, don't download "cracks" or "hacks," keep your OS updated. Brute Force (Rare, Ineffective) Trying millions of passwords. Facebook blocks this after a few attempts. Remove phone number as a password reset method