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high severity August 29, 2023 · 3 min read

Qakbot Data Breach (2023)

If you are a customer of Qakbot, here’s what’s now in circulation.

In August 2023, the US Justice Department announced a multinational operation involving actions in the United States, France, Germany, the Netherlands, and the United Kingdom to disrupt the botnet and malware known as Qakbot and take down its infrastructure. After the takedown, 6.43M email addresses were provided to HIBP to help notify victims of the malware.

Qakbot Data Breach (2023)

On August 29, 2023, the US Justice Department’s multinational takedown of the Qakbot botnet resulted in 6.43 million email addresses and associated passwords being disclosed to Have I Been Pwned so that victims could be notified. If your email appears in that set, your credentials were stolen by malware that had been running silently on computers for months or years before law enforcement intervened.

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What's Publicly Reported from the Disclosure

The primary disclosure on Have I Been Pwned states that the dataset originated from the Qakbot malware campaign and contains 6.43 million email addresses together with passwords. The US Justice Department, working with authorities in France, Germany, the Netherlands, and the United Kingdom, seized Qakbot infrastructure in August 2023. After the disruption, the collected victim data was turned over to Have I Been Pwned rather than posted for public download. The listing does not specify how many unique passwords were obtained or whether the credentials were encrypted at the time of theft.

Why This Matters for You and Your Family

Email addresses and passwords stolen by Qakbot remain valuable long after the botnet is dismantled. Criminals continue to test these combinations against banks, email providers, shopping sites, and government portals. Because many households reuse the same password across personal and children’s accounts, one compromised credential can open multiple doors. The breach notification does not quantify how many of the 6.43 million records belong to families, yet the scale alone means ordinary users—not just businesses—are directly exposed.

The Doxxing and Identity-Chain Implications

Credential leaks like this one rarely stop at a single login. Attackers chain the exposed email and password with data from other breaches to link your online handles, phone numbers, and real-world identity. Once they control an email account, they can reset passwords elsewhere, request account recovery on social media, or impersonate you to family members. Children’s gaming accounts tied to the same household email are especially vulnerable; a stolen credential can lead to doxxing, swatting, or extortion attempts that begin in a game lobby and end with your home address published online.

Qakbot’s Publicly Known Track Record

Public reporting attributes Qakbot’s initial emergence to roughly 2007. Over more than fifteen years the malware evolved from a banking trojan into a modular loader used by ransomware groups to gain initial access. It typically arrived through malicious email attachments or drive-by downloads, then harvested credentials, keystrokes, and address books while maintaining persistence on infected Windows machines. After exfiltration, operators sold or used the data for follow-on attacks including BEC fraud and ransomware deployment. The 2023 law-enforcement operation was the largest coordinated action against the botnet to date, yet residual data from earlier infections continues to surface.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by the service.
  • Rotate the password used on any account that matches the Qakbot dataset and enable 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure is caught within hours instead of months.
  • Cover the household—DoxxScan family coverage extends to dependents and children’s gaming accounts that often chain back to the same address or parent email.
  • Let remediation specialists manage takedown requests for any personal information that has already reached data-broker or extortion sites.

The Qakbot disruption shows that even when law enforcement dismantles a major malware operation, the stolen data keeps circulating for years. A single breach can quietly feed an identity chain that reaches your family, your finances, and your children’s online lives. DoxxScan’s continuous monitoring across 13.1 billion+ breach records, AI-powered identity-chain mapping, and hands-on remediation by specialists gives households the practical defense needed to break those chains before damage spreads. Start your DoxxScan trial today and treat credential leaks as active threats rather than yesterday’s news.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo
value redacted in this samplephone, household, property recordsBeenVerified
value redacted in this sample582 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach
unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

Were you a Qakbot customer?
Qakbot is one listing. Your email is probably in others.
6.4M accounts were exposed here. Check whether yours is one — and find every other leak tied to the same address, in about 15 seconds. No account, no card.

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Report details & sourcing

Severity High contact details only, none of them permanent
Disclosed August 29, 2023
Last reviewed July 22, 2026
Affected 6.4M
Data exposed Email addressesPasswords
Editorial & sourcing policy
GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.
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