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ByLock

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For the author, see Maj Bylock.
ByLock
Developer(s)Atalay Candelen
Initial releaseMarch and April 2014
Written inEnglish
Operating systemAndroid, iOS, Ipad
Available inTurkish
TypeInstant messaging

ByLock was a smartphone application that allowed users to communicate via a private, encrypted connection. It was launched in March 2014 on Google Play, Apple App Store[1] The app was downloaded over 600,000 times from its launch in April 2014 until March 2016, when it was permanently shut down.[2] The Turkish National Intelligence Organization (Turkish: Millî İstihbarat Teşkilatı, MİT) stated that the app was downloaded mainly in Turkey and ByLock users were as “Fetullahist Terror Organisation (Feto) which was formerly known as “Gülen movement” members.[3]

According to the security certificate inside the software, the author of the application is David Keynes.[1] In an interview with Hürriyet Daily News, Keynes stated that the developer of ByLock was a former roommate (Keynes,Atalay Candelen[4] and Ass. Prof. Dr. Mehmet Karabayir[5] lived in Beaverton) of his, who had used Keynes' credit card to publish the app on the Apple App Store. Keynes also said that ByLock had not been available since January 2016.[6]

ByLock was written by Atalay Candelen a.k.a. "Fox", Portland State University Computer Science graduate, and his business partner 4th grade police chief Veli Ozdemir. After July 15th Gulen movement coup attempt, Atalay Candelen first escaped to the United States then Europe. Atalay Candelen owns a business company in Poland and thus received residence permit from Polish government.[7] Nowadays he lives in Germany, close to Polish border.Atalay Candelen's company designs and updates web pages of some of Germany's biggest brothels which Turks owned. Atalay Candelen is wanted  on the yellow list of terrorists by Turkish Ministry of Interior.[8] The other ByLock software developer ex-cop Veli Ozdemir, interestingly, there is no arrest warrant against him, only an Istanbul prosecutor's office investigation that was opened in 2014. He lives in Totowa New Jersey, United States of America.[9] Veli Ozdemir's company( Zenith Trade) sells water which brings from Turkey to the USA.[10]

Before the December 17/25 events, the police wing of the FETO organization decided to establish its own communication channel, as they believed that all other communication channels would be monitored by the state government afterward. In the first week of December 2013, high-level FETO members, who were police officers working in the Intelligence Department in Ankara's Yıldız district, organized a meeting with Atalay Candelen, who owns an IT company, and his partner, Veli Ozdemir, a former police chief. The first version of the program, known as SHU, was developed by Atalay Candelen and his team in their office at the Technopark (Istanbul University) and was implemented by members of an organization on December 29, 2013. The first version of the Bylock program was not placed on Google Play or the Apple App Store. It was downloaded by members of the organization using Bluetooth and computers, etc. Because the Apple Store did not allow the backdoor (spyware) in the first version of Bylock (SHU), the program was rewritten and renamed as ByLock, and it was added to Google Play and the Apple Store in March and April 2014, respectively. In July 2014, in a parallel state operation, police officers who were members of the Feto terrorist organization were detained[11]. Turkish law enforcement became aware of the program when the Bylock program was found on the phones and iPads of the Feto police officers. FETO's police wing decided to spread ByLock to all its members to confuse the Turkish law enforcement forces and make them devote all their energy to it, and then stopped using the program. Since there was a lot of time for the organization leader Fethullah Gülen's quarterly meeting with the organization's executive board, Atalay Candelen obtained permission from Fethullah Gulen through Cevdet TURKYOLU, his future brother-in-law, for all members of the organization to use the program. On August 8th, 2014, ByLock was transferred from a server in Germany to a server in Lithuania by the order of Cevdet TURKYOLU.

Gülen Movement controversy

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In Turkey, possession of the app is deemed evidence of membership in the Gülen Movement, which was allegedly connected to the failed Turkish coup d'état attempt in July 2016.[12] Users of ByLock were deemed terrorists in Turkish courts.[13] According to Deutsche Welle, of the 215,000 former ByLock users, an estimated 23,000 have been detained by Turkish authorities. Some believe that the MİT and other Turkish authorities manipulated the ByLock database in order to arrest suspected members of the Gülen Movement.[13] Tuncay Besikci, a computer forensic expert in Turkey, emphasized that "the demands to investigate and analyze ByLock data from independent institutions are refused by the Turkish courts. But it is not normal".[citation needed] Tuncay Beşikçi believes that this application is precisely one of the channels for Gülen molecules to communicate and can also monitor the activities of other members of the organization.[14] He also stated that the developers behind the Mor Beyin app, deliberately set a plan in motion that would put thousands of innocent people in prison as a cover for the Gülen movement.[15]

In December 2017, Turkish authorities revealed that almost half the people who had been prosecuted for having ByLock on their smartphones would have their legal cases reviewed, as they could have been redirected to the app without their knowledge.[16]

References

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  1. ^ a b "Turkey coup plotters' use of 'amateur' app helped unveil their network". The Guardian. Reuters. 2016-08-03. ISSN 0261-3077. Retrieved 2019-02-16.
  2. ^ "Opinion on the Legality of the Actions of the Turkish State in the aftermath of the failed coup attempt in 2016 and the Reliance on Use of the Bylock App as evidence of membership of a terrorist organisation - 2 Bedford Row - Criminal Barristers Chambers". 2 Bedford Row. 2017-09-04. Retrieved 2019-02-10.
  3. ^ Celikkan, Ali (2017-08-13). "Nachrichten-App "ByLock" in der Türkei: Verdachtsmoment Messenger". Die Tageszeitung: taz (in German). ISSN 0931-9085. Retrieved 2019-02-16.
  4. ^ https://www.hurriyet.com.tr/gundem/bylockcu-tilki-dAe-kasette-40278908. {{cite news}}: Missing or empty |title= (help)
  5. ^ "Doç. Dr. Mehmet Emin KARABAYIR - UNIS | Kafkas Üniversitesi Akademik Veri Yönetim Sistemi". unis.kafkas.edu.tr (in Turkish). Retrieved 2024-12-14.
  6. ^ "ByLock use is an evidence of Gülen network links: Owner - Turkey News". Hürriyet Daily News. 25 October 2016. Retrieved 2019-02-16.
  7. ^ Odatv (2018-01-15). "Türkiye FETÖ'nün en önemli adamını elinden böyle kaçırdı". Odatv (in Turkish). Retrieved 2024-12-05.
  8. ^ "Arananlar". www.terorarananlar.pol.tr. Retrieved 2024-12-01.
  9. ^ "Free Reverse Phone Lookup & Search". usphonebook. Retrieved 2024-12-05.
  10. ^ "title". Boon Water. Retrieved 2024-12-05.
  11. ^ "Emniyet mensuplarına 22 Temmuz operasyonu". T24 (in Turkish). Retrieved 2025-06-10.
  12. ^ "Diese App macht zum mutmaßlichen Terroristen – in den Augen der türkischen Regierung". stern.de (in German). 2018-01-03. Retrieved 2019-02-16.
  13. ^ a b Gokce, Yasir (2018). "The Bylock fallacy: An In-depth Analysis of the Bylock Investigations in Turkey". Digital Investigation. 26: 81–91. doi:10.1016/j.diin.2018.06.002. S2CID 64978465.
  14. ^ "'Terrifying': How a single line of computer code put thousands of innocent Turks in jail | CBC News". CBC. Retrieved 2020-11-15.
  15. ^ Farooq, Umar (2018-04-17). "The App that Makes You a Terrorist". Boston Review. Retrieved 2020-11-15.
  16. ^ "Turkey to review over 10,000 arrested coup suspects linked to ByLock mobile app | DW | 28.12.2017". DW.COM. Retrieved 2019-02-16.
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