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Karim Baratov pleaded guilty on November 28, 2017, for his role in a webmail-hacking conspiracy tied to the Yahoo intrusion. He later received a five-year prison sentence, according to a 2025 U.S. Department of Justice Journal retrospective. Baratov’s assigned work was stealing credentials from individual webmail accounts; it was distinct from the broader intrusion into Yahoo’s network.
Who was Karim Baratov?
U.S. prosecutors identified Baratov as one of four defendants in matters involving hacks of Yahoo’s network and webmail accounts at Yahoo and other providers on behalf of Russia’s Federal Security Service (FSB). The other named defendants were Dmitry Dokuchaev, Igor Sushchin and Alexsey Belan. Baratov pleaded guilty on November 28, 2017, according to the U.S. Department of Justice case page.
The case page says FSB officer Dmitry Dokuchaev asked Baratov to hack at least 80 webmail accounts, including at least 50 Google accounts, in exchange for money. That request describes Baratov’s role as an account hacker within the conspiracy; it does not mean he carried out every part of the Yahoo network intrusion.
What exactly did Baratov admit?
Baratov also admitted hacking more than 11,000 webmail accounts for other clients between 2010 and March 2017, the DOJ says. This is a separate, broader account-hacking figure. It should not be added to the at-least-80 accounts in Dokuchaev’s request, nor treated as a count of Yahoo-network victims.
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| Conduct or figure | What it covers | Source |
|---|---|---|
| At least 80 accounts, including at least 50 Google accounts | Accounts Dokuchaev asked Baratov to target for payment in the conspiracy | DOJ case page |
| More than 11,000 accounts | Baratov’s admitted hacking for other clients from 2010 through March 2017 | DOJ case page |
| Five years in prison | Sentence imposed in May 2018, as later recounted by the DOJ Journal | DOJ Journal |
How did the Yahoo credential theft work?
The DOJ describes Baratov’s method as spearphishing. He impersonated a webmail provider in an email and directed the recipient to a spoofed website that appeared to belong to that provider. The page asked the victim to enter a webmail password, allowing the attacker to capture the credentials.
The official description establishes phishing-based password theft. It does not establish that Baratov used malware, a particular software vulnerability or any specific tool to compromise the accounts.
How was this different from the Yahoo network intrusion?
The prosecution grouped Baratov’s activity with a wider operation involving Yahoo subscriber information and compromised webmail accounts. In that larger case, prosecutors also alleged an intrusion into Yahoo’s network. Baratov’s documented function was the targeted acquisition of credentials from webmail users, including accounts outside Yahoo. Keeping those scopes separate matters: the conspiracy request, Baratov’s wider client work and the Yahoo network breach are not interchangeable account totals.
Key dates in the case
- 2010–March 2017: Baratov admitted hacking more than 11,000 accounts for other clients.
- November 28, 2017: He pleaded guilty to his role in the conspiracy, according to the DOJ case page.
- May 29, 2018: The DOJ case page listed the sentencing hearing before Judge Vince Chhabria in San Francisco.
- May 2018: The DOJ Journal later recounted that Baratov was sentenced to five years in prison.
What the five-year sentence means in context
The sentence resolved Baratov’s criminal case after his guilty plea. It reflects his participation as a paid webmail credential thief in the broader Russia-linked operation, while the public descriptions distinguish that role from the separate technical and operational aspects of the Yahoo network intrusion.
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