## Improving first impressions on Signal

- 種別: news
- 関連技術: signal
- 公開日時: 2021-11-01T00:00:00.000Z
- 情報源: Signal Blog (https://signal.org/blog/keeping-spam-off-signal/)
- パーマリンク: https://vulnpulse.app/items/signal-blog-f444e2b8750e

The phenomenon of unsolicited and unwanted messaging dates back to the earliest communication platforms: from prehistoric cave graffiti and postal chain letters to popup ads and robocalls. To prevent spam, most online services rely on large-scale inspection of plaintext conversation content or detailed social-graph analysis to determine who is saying what to whom and whether or not that should be allowed. At Signal, we build on a foundation of privacy and do not have access to that type of data or metadata. We build Signal in the open, with publicly available source code for our applications…