Signalはメッセージ専用のアプリではなく、エンドツーエンドで暗号化された音声通話やビデオ通話も利用できる。通話を始めるには、チャットを開始するときと同様にアプリ内の鉛筆アイコンをタップし、連絡先を選択。その後、ビデオ通話をしたい場合はビデオのアイ ...

Learn more about Signal, including whether the news about its use in a military intelligence breach impacts its effectiveness ...

Democratic leaders of key House committees are reigniting calling for National Security Advisor Mike Waltz to step down.

Signal's encryption protocol is open source ... should check for a classified message sent through other means. Beyond concerns about security, Signal and other similar apps may allow users ...

The app has robust privacy features and minimal data collection, as well as default end-to-end encryption of all messages and ...

Signal has estimated 40-70 million monthly users - making it pretty tiny compared to the biggest messaging services, WhatsApp ...

Signal is an end-to-end encrypted messaging app that is considered one of ... What differentiates it from other messaging ...

The Signal messaging app, known for its strong encryption, is at the centre of controversy after a journalist was mistakenly ...

A magazine journalist inadvertently added to a Signal group chat of US national security officials has highlighted concerns ...

The Signal app became a trending topic after US national security experienced one of its most embarrassing moments ...

US President Donald Trump has downplayed concerns over the recent leak of a private Signal group chat involving senior ...