Dropbox, Google Drive and Microsoft OneDrive cloud services blocked in Turkey following leaks

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Turkey has blocked access to Dropbox, Microsoft OneDrive and partially restricted Google Drive cloud file sharing services popular on mobile phones as well as in education, business, legal and press industries, following the leak by hacktivist group Redhack of a set of private emails allegedly belonging to Minister of Energy and Natural Resources Berat Albayrak, son-in-law of President Recep Tayyip Erdogan.

At the time of writing, Saturday 8 October, both Google Drive and Dropbox services were issuing SSL errors, indicating intercepted traffic at the national or ISP level.

Microsoft OneDrive was also subsequently blocked off throughout Turkey:

The BTK authority subsequently released an official block notice for Google Drive, although no such notice was posted for Dropbox:

After technical analysis and legal consideration based on the Law Nr. 5651, ADMINISTRATION MEASURE has been taken for this website (drive.google.com) according to Decision Nr.490.05.01.2016.-156393 dated 08/10/2016 implemented by Information and Communication Technologies Authority.BTK / ICTA

Affected ISPs include TTNet, UyduNet and Turkcell. Foreign visitors in Turkey using roaming mobile data are still able to access the services because their data is tunnelled to the country of origin.

Knock-on effects expected

Dropbox Inc, a privately held company whose board of directors includes former United States Secretary of State Condoleezza Rice, has not yet commented on the block. Google Drive is a Google service that also integrates with other platforms – the loss of access may therefore have a knock-on impact on third-party products.

Another site, the GitHub Open Source developer portal, relied on by many technology systems and startups, was blocked the following morning:

The blocks are expected to heavily impact Google users and Dropbox Inc. customers who use the respective mobile applications, which runs on Android, iPhone as well as desktop computers, to archive their photos, share business documents and sign contracts.

The move to block the world’s most popular cloud services comes amidst growing calls in Turkey to build local versions of popular social media services – in July, far-right Turks called for the creation of a nationalised Turkish Twitter alternative to replace the US-based company’s services.

Limited transparency

Turkey had not issued a formal restriction order on the site as of evening Saturday 8 October 2016:

Dropbox BTK: 2016-10-08-at-17-58-04

While Dropbox is entirely blocked, Google Drive is still accessible to existing users – possibly because Google shares its business cloud hosting infrastructure and servers between Drive and it’s primary services including search.

Onedrive block notice 2016-10-09-at-01-25-08
Official government blocking measure for Microsoft OneDrive

TurkeyBlocks is working to collect forensic data captures of the incident. Most, but not all service providers were affected at the time of writing – the services appear to still accessible to a small number of users in the country not using the main providers.