The company places a strong emphasis on data security and privacy. SpiderOak offers a range of online backup and file hosting services that allow users to access, synchronize and share data using a cloud-based server. Read our full Signal review (opens in new tab).
The app also includes several other useful features on top of the tight security, such as video calling, and disappearing messages that vanish after a certain time period (perfect for those conversations you don't want to stay on the record). Signal can replace the default SMS app if you want it to, but basic SMS texts aren't encrypted – you and the person you're chatting with both need to have Signal installed for the encryption feature to function properly, otherwise Signal doesn't have enough control over both ends of the conversation. It does support group chats though, as well as the sending of files and photos in addition to text, so you're going to be pretty well covered no matter what your needs. That doesn't make it any easier to hack, but it does mean there are a lot more pairs of eyes looking at the robustness of the encryption methods.īesides the industry-leading encryption on offer here, the app itself is fairly plain and basic in terms of visuals and appearance. Signal is widely regarded as the gold standard of encrypted messaging apps, not least because its encryption engine is open source and available for anyone to inspect.
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