What is the Signal Instant Messenger?
Signal is a popular instant messaging application known for its strong focus on privacy and security. Here are some key points about Signal:
- Encryption: Signal uses end-to-end encryption for all communications, including text messages, voice calls, and video calls. This means that only the sender and recipient can read the messages or participate in the calls.
Open source: The application's code is open source, allowing independent security experts to verify its security claims and implementation.
Non-profit organization: Signal is developed by the Signal Foundation, a non-profit organization dedicated to developing open source privacy technology.
Features: Besides basic messaging, Signal offers features like disappearing messages, voice and video calls, group chats, and the ability to send files and media.
Cross-platform: Signal is available on iOS, Android, and desktop operating systems (Windows, macOS, and Linux).
Metadata minimization: Signal is designed to collect and store as little user data as possible, enhancing user privacy.
Recommended by privacy advocates: Due to its strong security features, Signal is often recommended by privacy experts and organizations.
User verification: Signal allows users to verify the identity of their contacts through security numbers or QR codes, adding an extra layer of security.
What pushback has there been from regulators or government agencies?
There has been some pushback against Signal from regulators and government agencies, primarily due to its strong encryption and privacy features. Here's an overview of some key issues:
Despite these challenges, Signal has generally maintained its stance on strong encryption and minimal data collection. The company continues to advocate for user privacy, often engaging in public debates and legal battles to defend its position.