It's probably best to follow the HN guidelines (https://news.ycombinator.com/newsguidelines.html) and use the original title. I've done that now. (The submitted title, for those who like to keep track, was "Deutsche Telekom issued invalid certificates, hasn't revoked them since 6 months".)
It's certainly fine to share what you think is important about an article, but the best way to do that is by adding a comment to the thread.
It's certainly fine to share what you think is important about an article, but the best way to do that is by adding a comment to the thread.