START 2021 Data Breach

START Russian Video Streaming Service Breach (2021, Disclosed 2022): 7.5 Million User Accounts Including Passwords Exposed

Platform · Subscription video streaming and digital entertainment · Streaming service · Russia

START Russian Video Streaming Service Breach (2021, Disclosed 2022): 7.5 Million User Accounts Including Passwords Exposed

Russian subscription video streaming service.

Confirmed · ObscureIQ Intelligence
Breach Risk Index i
8/100
Lower riskHigher risk
Lower: limited current risk based on data value and recency.
Data Sensitivity i
Standard
Exposed data is largely lower-sensitivity. Standard identity-protection precautions are advised.
7.5MRecords
2021Year

The Breach Risk Index (BRI) is a proprietary 0–100 score rating how dangerous a breach is right now, based on how recently the data has been circulating on the dark web and how valuable it is to attackers.

Classification Tags
StreamingUsers2021

Breach Summary

In August 2022, an attack on the Russian streaming service START exposed roughly 44 million records covering about 7.4 million unique email addresses, with the data dating to 2021. Exposed information included usernames, unsalted MD5 password hashes, IP addresses, country of registration, subscription start and end dates, and last-login details. The company stated payment information was not compromised.

Full threat analysis, exploitation vectors, and principal guidance below.

10 additional sections · verified field analysis · defensive doctrine

Querying breach corpus…
Cross-referencing exposed field types…
Resolving threat-actor attribution…
Compiling principal risk advisory…

7.5M records analyzed

About START

START is a Russian subscription video-on-demand streaming platform offering original series and films to a primarily Russian-speaking audience.

Why They Hold Your Data

Streaming platforms collect user identity, subscription records, payment-adjacent data, device identifiers, viewing history, and household-linked activity tied to entertainment consumption.

Recent Developments

START publicly confirmed the incident and attributed it to an attack on its systems, stating that payment data was not affected.

Data Points Exposed

4 verified field types
Email Address
Full Name
Geographic location
Password High

Breach Impact

Unsalted MD5 hashes are readily cracked, exposing reused credentials to stuffing attacks, while subscription and login metadata support account profiling and targeted phishing.

Exploitation & Downstream Threats

• Credential stuffing against reused passwords across other platforms | • Targeted phishing campaigns using exposed email addresses | • Doxxing risk from physical address exposure

Principal Risk Advisory

What this means for a principal

A consumer-service breach: contact and account data supports phishing, account takeover and profile enrichment. For a high-profile principal the main risk is credible impersonation and enrichment of existing exposure.

What You Should Do

  1. Reset any reused passwords and enable MFA on email first, then financial accounts.
  2. Do not use unofficial 'am I affected' lookups; several are themselves harvesting operations.

How ObscureIQ Can Help

  1. Corpus confirmation: determine whether and where the principal (plus household and staff) appear in this dataset and which specific fields are exposed for them.
  2. Exposure mapping: cross-reference the exposed identifiers against broker-available data to size and prioritize the principal's wider footprint.
  3. ThreatWatch tuned to this incident's identifiers and misuse pattern (impersonation and targeting patterns, not generic credential monitoring).

Protect Yourself

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