سوالات با برچسب call


25

سوال


24

جواب

ابر برچسب های مرتبط
آخرین جواب ها با این برچسب

In May 2019 we stopped a highly sophisticated cyber attack that exploited our video calling system in order to send malware to the mobile devices of a number of WhatsApp users. The nature of the attack did not require targeted users to answer the calls they received. We quickly added new protections to our systems and issued an update to WhatsApp to help keep people safe. We are now taking additional action, based on what we have learned to date.

We sent a special WhatsApp message to approximately 1,400 users that we have reason to believe were impacted by this attack to directly inform them about what happened. Cyber security experts at the Citizen Lab, an academic research group based at the University of Toronto’s Munk School, volunteered to help us to learn more about the impact of this attack on civil society, including journalists and human rights defenders. The Citizen Lab has published information related to this specific attack here and remains available to provide support to this community.

WhatsApp cares deeply about the privacy and security of our users. Some of your most personal moments are shared on WhatsApp, which is why we provide end-to-end encryption for all messages and calls by default. This attack was developed to access messages after they were decrypted on an infected device, abusing in-app vulnerabilities and the operating systems that power our mobile phones.

We agree with UN Special Rapporteur for Freedom of Expression David Kaye’s call for a moratorium on these attacks. There must be strong legal oversight of cyber weapons like the one used in this attack to ensure they are not used to violate individual rights and freedoms people deserve wherever they are in the world. Human rights groups have documented a disturbing trend that such tools have been used to attack journalists and human rights defenders. Working with research experts at the Citizen Lab, we believe this attack targeted at least 100 members of civil society, which is an unmistakable pattern of abuse. This number may grow higher as more victims come forward. We are committed to doing all we can, working with industry partners, to protect our users and guard against these kinds of threats.

WhatsApp has also filed a complaint in U.S. court that attributes the attack to a spyware company called NSO Group and its parent company Q Cyber Technologies. The complaint alleges they violated both U.S. and California laws as well as the WhatsApp Terms of Service, which prohibits this type of abuse. This is the first time that an encrypted messaging provider is taking legal action against a private entity that has carried out this type of attack against its users. In our complaint we explain how NSO carried out this attack, including acknowledgement from an NSO employee that our steps to remediate the attack were effective. We are seeking a permanent injunction banning NSO from using our service.

You can read more about our views published here.

If you received a message from us and have additional questions about this incident, you can message the WhatsApp team directly and securely by opening WhatsApp Settings > Help > Contact Us.



منبع پاسخ: مرکز راهنمایی وب سایت واتساپ

Switch from a voice call to a video call

  1. While on a voice call, tap or select . ( لینک ) >
  2. The contact you’re voice calling will see a request to switch to a video call and can accept or decline the switch.

Switch from a video call to a voice call

  1. While on a video call, tap or select , which will notify the contact you’re video calling that you’ve turned off your camera.
  2. Once the contact turns their camera off, the call will be switched to a voice call.

Related resources



منبع پاسخ: مرکز راهنمایی وب سایت واتساپ

To call a WhatsApp contact on Portal, you must have WhatsApp open or running in the background on your mobile phone.

Make a call

  1. On your Portal, tap or select All Contacts or Contacts > WhatsApp.
    • You need to make at least one call for All Contacts to appear. Furthermore, All Contacts is unavailable on Portal TV.
  2. Find, then tap or select the contact you want to call.
  3. Tap or select:
    • Audio if you want to make a voice call
    • Video if you want to make a video call

Answer a call

  • Tap or select Answer to accept the call.
  • Tap or select Not Now to decline the call.
Note:
  • If you want to make a group call, tap or select during the call. Find, then tap or select another contact you want to add. Tap or select Call. A total of four participants can be on a group call.
  • If you want to hide a contact, tap or select All Contacts or Contacts > WhatsApp > the contact you want to hide > > Hide Contact > Hide.
    • If you want to unhide a contact you’ve hidden, tap or select Settings > Privacy > Hidden WhatsApp Contacts. Open WhatsApp on your phone or WhatsApp Web or WhatsApp Desktop on your computer. Then open the individual chat with "Portal from Facebook" to view the confirmation code that was sent. On your Portal, enter the confirmation code, then tap or select Done > Unhide next to the contact you want to unhide.
    • If you want to hide a suggested or recent contact from Home on your Portal, you can press and hold the contact you want to hide, then tap or select . Currently, there’s no option to unhide a suggested or recent contact.
    • Hiding a contact only hides the contact on your Portal and isn’t the same as blocking a contact on WhatsApp. Hidden contacts won’t be able to call your Portal and you won’t be able to call them.

Related resources



منبع پاسخ: مرکز راهنمایی وب سایت واتساپ

سوال و جواب ها با برچسب call







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