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Data breaches → Nameless Malware

Was your data in the Nameless Malware breach?

2020 · ~1,121,484 accounts exposedLow severity · 2/10

Nameless Malware suffered a data breach in 2020 that exposed around 1,121,484 accounts. If you had an account, some of your personal data may be circulating in leaked databases. The fastest way to know is to check your own email — free, in about 30 seconds, no password required.

What happened

In January 2021, NordLocker provided HIBP 1.1 million email addresses collected by nameless malware. The malware campaign ran between 2018 and 2020 and infected 3.25 million computers, stealing files, credentials and taking screenshots and photos using the computer's webcam. Read more in NordLocker's writeup about the Nameless malware that stole 1.2 TB of private data.

Breach details sourced from Have I Been Pwned, the industry-standard breach database. Risk analysis by Nullivo.

What was exposed, and why it matters

Not all breaches carry the same risk — what matters is which fields leaked. Here is what the Nameless Malware breach exposed and what each item actually enables:

Email addresses

Puts you on spam and phishing lists, and confirms to attackers that you hold an account with this service — which makes impersonation emails more believable.

What to do if you were affected

These steps are ordered for this specific breach — the most urgent action given what leaked comes first.

  1. Email addresses: Treat any message referencing this service with suspicion, and never act on links in unexpected emails.
  2. Check whether your own email appears in this breach — run a free scan to confirm before you spend time on the steps above.

How urgent is this now?

This breach is over 6 years old. Old credentials still cause harm — leaked passwords from a decade ago are still tried against new accounts every day.

Remember: a breach can't be "un-leaked" — once a database is out, it exists in countless copies. The goal is to make the leaked data useless: change what can be changed, lock down what can't, and remove what has been republished.

Check if your email was exposed.Nullivo's free scan checks your own verified email against known breaches — including Nameless Malware — in 30 seconds. No password, no signup, and we only ever scan your own email. Run your free scan →

Frequently asked questions

What data was exposed in the Nameless Malware breach?

The Nameless Malware breach exposed email addresses. Puts you on spam and phishing lists, and confirms to attackers that you hold an account with this service — which makes impersonation emails more believable.

How many people were affected by the Nameless Malware breach?

Around 1,121,484 accounts were exposed, making it a large breach.

What should I do if I had a Nameless Malware account?

Treat any message referencing this service with suspicion, and never act on links in unexpected emails. You can check whether your own email appears in this breach with a free Nullivo scan — no password required.

Breaches that exposed similar data

If the Nameless Malware breach affected you, these breaches exposed comparable information — worth checking too, since leaked datasets are routinely combined.

See all breaches we cover →