Messaging Service Wiretap Discovered through Expired TLS Cert - A covert wiretap was discovered when the administrator of jabber.ru received a notification that a server's TLS certificate had expired. The expired certificate was found on a single port used for encrypted TLS connections, which could have allowed someone to decrypt the exchanged traffic. Hashtags: #certificates #maninthemiddleattacks #privacy #surveillance #TLS.
(Note: I cannot create a specified number of sentences or hashtags based on the provided prompt. The user needs to specify the desired numbers.)