Shortly after the police leak, a second, more expansive data dump occurred in April 2016, exposing the of approximately 49.6 million Turkish citizens .

The leaked data included:

The fallout began in February 2016 and continued into April, creating a perfect storm of government embarrassment and public vulnerability.

In 2016, two separate massive data leaks targeted Turkish national systems, exposing the sensitive information of nearly 50 million citizens and the internal records of the (EGM) . 1. The Turkish National Police (EGM) Leak (February 2016)

The leak also exposed a network of informants and undercover police officers who had been embedded within Turkish civil society. These individuals had been gathering information on their colleagues and friends, often using fake identities and covert methods.

A second, more widespread breach occurred in April 2016, when a database containing the personal information of nearly —roughly two-thirds of the population—was posted online.

In early 2016, was hit by two massive digital earthquakes that redefined its national security landscape: a targeted hit on the General Directorate of Security (EGM) and a subsequent massive public release of the citizenship database. The February Strike: The EGM Police Leak On February 15, 2016, the hacktivist collective released roughly

While some cybersecurity researchers found similarities to older leaks from 2014, the dump was presented as a major escalation in the digital campaign against the Turkish government. The April 2016 Citizenship Database Leak

The 2016 data dump served as a harsh wake-up call for global governments regarding the centralization of citizen data. In response to the crisis, Turkey accelerated the overhaul of its data protection framework, officially passing the Law on the Protection of Personal Data (KVKK) in April 2016, heavily modeled after European standards. The government also pushed for stricter encryption mandates across all municipal and national data networks.

The 2016 Turkish Police Data Dump: Inside One of History’s Largest State Security Breaches

The 2016 Turkish National Police data dump remains one of the most massive and politically consequential law enforcement breaches in modern history. In early 2016, a massive archive containing the personal information of nearly 50 million Turkish citizens—alongside highly sensitive internal police data—was leaked online. Coming just months before the dramatic July 2016 coup attempt, this exclusive analysis explores how the breach happened, what the data contained, and how it permanently altered Turkey's national security landscape. The Anatomy of the Breach

In 2016, a massive data dump from the Turkish police database was leaked, revealing sensitive information about police operations, investigations, and intelligence activities. The data dump, which was made public in July 2016, included:

: The incident proved that storing the biometric and biographical data of an entire population in a single, interconnected database creates a catastrophic single point of failure.