点按 新增标签，建立新的标签名称与新增成员，或于新增成员中，将朋友加入已设定的标签内。
[one zero five] The specter of this assault is usually mitigated by enabling Signal's Registration Lock characteristic, a sort of two-variable authentication that requires the user to enter a PIN to sign-up the cell phone number on a completely new device.[146]
A number of the organizers have moved to encrypted messaging apps like Telegram and Signal, which cannot be as easily monitored as social media marketing platforms. ^
TextSecure authorized the person to set a passphrase that encrypted the community concept database and also the user's encryption keys.[127] This didn't encrypt the consumer's Speak to database or message timestamps.[127] The Sign apps on Android and iOS could be locked With all the telephone's pin, passphrase, or biometric authentication.
Signal's application icon could be improved with various colour themes for customization and to cover the app. The appliance name can be customized.[132] Messages may have consequences like spoilers and italics, and consumers can increase each other by means of QR code.[133]
On 9 August 2022, Ismail Sabri Yaakob, the Primary Minister of Malaysia, reported that his Signal account was "hacked" and infiltrated by a 3rd party, sending out messages and impersonating the politician. No particulars ended up disclosed concerning the approach utilized to gain entry to the account.[215]
On 4 Oct 2016, the American Civil Liberties Union (ACLU) and Open up Whisper Units posted a number of files revealing that OWS experienced acquired a subpoena necessitating them to supply details connected with two telephone numbers for a federal grand jury investigation in the first 50 % of 2016.[eighty two][83][84] Only among the two phone quantities was registered on Sign, and because of how the services is designed, OWS was only equipped to offer "time the user's account were designed and the last time it had linked to the support".
I eventually received the prospect to go through all this a lot more carefully, and plainly all Cellebrite is performing is studying the texts off of the phone they can by now accessibility. To [sic] this has absolutely nothing to carry out with Signal at all. So: under no circumstances thoughts.
Until 2023, Android people could opt into generating Signal the default SMS/MMS application, allowing for them to deliver and acquire unencrypted SMS messages Along with the typical end-to-conclude encrypted Sign messages.
创建安全群组，与朋友、家人和同事保持联系，同时享有所有隐私功能�?高级隐私功能
On the list of things which I was briefed on very early, senator, was from the CIA documents management people about using Sign being a permissible get the job done use," Ratcliffe reported. ^
The group messaging system is intended so the servers don't have access to the membership record, group title, or group icon.
On 27 September 2019, Natalie Silvanovich, a security engineer Doing the job in Google's vulnerability exploration crew at Venture Zero, disclosed how a Signal下载 bug in the Android Sign consumer could Enable an attacker spy over a user without the need of their know-how.[203] The bug allowed an attacker to phone a focus on gadget, mute the decision, and the call would complete �?preserving the audio open but with no owner remaining mindful of that (nevertheless they might nevertheless be familiar with a ring and / or a vibration through the initial simply call).
Sign utilizes cellular phone numbers to sign-up and take care of user accounts, even though configurable usernames were being added in March 2024 to allow people to cover their telephone figures from other people.