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Protei breach: Deep packet inspection systems exposed

18 Nov 2025

Protei breach: Deep packet inspection systems exposed
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Summary is AI-generated, newsdesk-reviewed
  • Protei hacked: 182GB data breached, emails stolen, site defaced, spotlight on surveillance tech.
  • Protei deep packet inspection systems enable surveillance, censorship; linked to Russian SORM system.
  • Leaked data shared with DDoSecrets; questions of oversight and cybersecurity practices arise.
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An incident involving the Russian telecommunications company - Protei has led to breaches of data security, resulting in stolen sensitive information and a defaced company website. Protei, known for providing technology enabling phone and internet surveillance and censorship across various global markets, was informed by TechCrunch about these breaches.

Established in Russia, Protei specialises in systems for telecommunications providers across numerous nations, including Bahrain, Italy, Kazakhstan, Mexico, Pakistan, and many parts of central Africa.

The company, now operating from Jordan, supplies video conferencing tools, internet connectivity solutions, and various surveillance technologies, such as deep packet inspection systems, which are instrumental in web-filtering processes.

Website defacement and data breach

The hackers accessed about 182 gigabytes of files from Protei's web servers, which included emails

The exact timeline and method of the cyberattack remain ambiguous, but records from the Internet Archive’s Wayback Machine show that the defacement of Protei’s website occurred on November 8. 

The website has since been restored. The hackers accessed approximately 182 gigabytes of files from Protei's web servers, which included emails spanning several years.

Data provided to DDoSecrets

The breached data was delivered to DDoSecrets, a nonprofit transparency organisation known for cataloguing leaked data sets that serve the public interest.

These data sets often involve content from law enforcement, governmental entities, and companies active within the surveillance sector.

Mohammad Jalal, Managing Director of Protei’s Jordan office, has not provided any comments regarding this breach.

Motivations behind the hack

SORM stands as the primary lawful intercept system employed across Russia and several other nations

The hacker's identity and motivations remain undetermined. However, the defaced website displayed a message: 'another DPI/SORM provider bites the dust', likely pointing to Protei's involvement with deep packet inspection systems and its association with the Russian-developed SORM lawful intercept system.

SORM stands as the primary lawful intercept system employed across Russia and several other nations using Russian technology. Telecom providers implement SORM within their networks, permitting governmental access to monitor the communications and web activity of customers.

Implications for telecom providers

Deep packet inspection devices empower telecommunications companies to analyse and manage web traffic based on its origin, for example, a social media platform or a specific messaging app, thereby enabling selective blocking or monitoring. These technologies are prominently used in regions with restricted freedom of speech and expression.

The Citizen Lab's 2023 report highlighted that Iranian telecoms company - Ariantel consulted with Protei concerning technology for internet traffic logging and curtailing access to selected websites. Documents released by The Citizen Lab reveal Protei's promotion of its technology's capabilities to limit or completely block internet access for specific individuals or large population groups.

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A Russian telecom company that develops technology to allow phone and internet companies to conduct web surveillance and censorship was hacked, had its website defaced, and had data stolen from its servers, TechCrunch has learned.

Founded in Russia, Protei makes telecommunications systems for phone and internet providers across dozens of countries, including Bahrain, Italy, Kazakhstan, Mexico, Pakistan and much of central Africa. The company, now headquartered in Jordan, sells video conferencing technology and internet connectivity solutions, as well as surveillance equipment and web-filtering products, such as deep packet inspection systems.

Contents of Protei’s web server

It’s not clear exactly when or how Protei was hacked, but a copy of the company’s website saved on the Internet Archive’s Wayback Machine shows it was defaced on November 8. The website was restored soon after.

During the breach, the hacker obtained the contents of Protei’s web server — around 182 gigabytes of files — including emails dating back years.

Datasets in the public interest

A copy of Protei’s data was provided to DDoSecrets, a nonprofit transparency collective that indexes leaked datasets in the public interest, including data from law enforcement, government agencies, and companies involved in the surveillance industry.

Mohammad Jalal, the Managing Director of Protei’s branch in Jordan, did not respond to a request for comment about the breach. 

The identity of the hacker is not known, nor their motivations, but the defaced website read: 'another DPI/SORM provider bites the dust.' The message likely references the company’s sales of deep packet inspection systems and other internet filtering technology for the Russian-developed lawful intercept system known as SORM.

Install SORM equipment on networks

SORM is the main lawful intercept system used across Russia as well as several other countries that use Russian technology. Phone and internet providers install SORM equipment on their networks, which allows their country’s governments to obtain the contents of calls, text messages, and web browsing data of the networks’ customers. 

Deep-packet inspection devices allow telecom companies to identify and filter web traffic depending on its source, such as a social media website or a specific messaging app, and selectively block access. These systems are used for surveillance and censorship in regions where freedom of speech and expression are limited.

logging internet traffic and blocking access

The Citizen Lab reported in 2023 that Iranian telecoms giant - Ariantel had consulted with Protei about technology for logging internet traffic and blocking access to certain websites.

Documents seen and published by The Citizen Lab show that Protei touted its technology’s ability to restrict or block access to websites for specific people or entire swathes of the population.

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Protei hack exposes deep packet inspection systems, raising concerns about surveillance and web censorship in telecoms. Discover the implications for global telecommunications security.

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