IT-Sicherheit - WhatsApp Account ganz leicht geknackt

von Christian Volkmer

Beware! Hijacking your WhatsApp is easy if... (read description)

Without knowing the passcode. Five minutes of physical access to "Victim's device" or by accessing victim's voicemail (WhatsApp leaves activation code in voicemail if not answer) and know his phone number (or ask Siri the owner's contact) Each new login increases the timeout to the next login, therefore, for you to get back your WhatsApp, so depending on how many consecutive logins made before you recover your phone number, your WhatsApp could get hijacked for one or several days. WhatsApp should use a more secure login? ...a two-step verification, or configuring a security question in the first login, or a PIN code, or that, besides the phone number, ask for an email or something else... If someone steals your phone and knows your phone number, can hijack your WhatsApp installing it in another device and asking for the verification call. What do you think? How would you feel if someone hijacks your WhatsApp for a few minutes ...or days? If your iPhone is misplaced, I think better not having Siri enabled on lock screen; the bad side is that you are discarding (among many other great things that Siri can do for you) the possibility that whoever finds your iPhone can give it back to you asking your information to Siri, but someone asking Siri could get much more than the owner’s identity. Siri reads all notifications aloud, even those that you had blocked in the lock screen, allowing for example the person who steals your iPhone can check a SMS/Mail verification code to login in your WhatsApp / Line / Telegram… or any other online service, from another device. ( I think mostly instant messaging apps need a two-steps verification process, and perhaps a longer waiting time to proceed with the verification call… ) Even, maybe you have apps that could show private or sensible notifications on lock screen, so maybe you would like to disable “Show on Lock Screen” for a particular app in Settings - Notifications, and even turn off the “Notifications View” in Settings - (Touch ID &) Passcode, for Not allow access when locked, but if ask Siri, will read all notifications aloud, including which are not allowed on the lock screen. Idea: A handful of toggles on Settings - (Touch ID &) Passcode - Siri ; We could choose what Siri does and what not when our iDevice is Passcode Locked, gaining privacy without giving up Siri. Gracias a Eladio de iPaderos por ayudarme a destapar este asunto. "Cómo hackear una cuenta de WhatsApp de forma remota. Y qué hacer para protegerte" Escrito por @eladdio: Sigue a @iPaderos en Twitter: Y gracias también a Jose de iPhoneros 👍

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