Ciphr , a company which offers encrypted communications for BlackBerry 10 and Samsung Knox smartphones , claims that a rival firm are behind a data dump Attack.Databreach of its customers ' email addresses and their device 's IMEI numbers . A website displaying the alleged leaked data claims that `` all Ciphr emails/servers have been compromised Attack.Databreach . '' Two sources that use Ciphr on their phones told Motherboard the leak Attack.Databreach includes their information as well as the data of other users . Specifically , the website lists users ' email addresses and IMEI numbers , data which law enforcement can leverage to expose Attack.Databreach a user . In a message provided to Motherboard from one of its sources , the privacy platform says the data dump Attack.Databreach was not the result of a data breach Attack.Databreach . Instead Ciphr blames a rival company for the incident : `` Our rapid growth has caught the attention of competitors seeking to slow us down by way of slander , blocking and DDOS [ distributed denial of service attacks ] .... We were shocked that any company in this industry would release information to the public under any circumstance . '' Ciphr 's management explains in a blog post that a rogue reseller who was granted access to its sales systems gave the information to SkySecure , which makes custom Blackberry devices . The company goes on to note that most of the information included in the data dump Attack.Databreach was already expired . But it does say a few active users ' email addresses and IMEI numbers were included in the leak Attack.Databreach .