ELEVATED RISK BREACH

Facebook Marketplace Data Breach


Status: Confirmed

77K+Records
Oct, 2023Breach
2/22/24Data Posted
6/10Severity
ModerateThreat Level

Breach Intelligence Summary


Entity: Facebook Marketplace · Actor: Unknown · Source: Have I Been Pwned / ObscureIQ intelligence

Attack: Data Exfiltration via Under investigation

Timeline: Breach (Oct, 2023) · Reported (Feb, 2024) · Leak (2/22/24)

Exposure: 77K+ records · Email, Geographic locations, Names, Passwords, Phone numbers, Social media profiles

Status: Confirmed · Risk: Moderate (Account takeover + Phishing / SIM swap)

Summary

In February 2024 200k Facebook Marketplace records allegedly obtained from a Meta contractor in October 2023 were posted to a popular hacking forum. The data contained 77k unique email addresses alongside names phone numbers Facebook profile IDs and geographic locations. The data also contained bcrypt password hashes although there is no indication these belong to the corresponding Facebook accounts.

About Facebook Marketplace

Facebook Marketplace is the organization affected by this breach. User data may have been generated through account creation, service usage, or business operations.

If you have interacted with Facebook Marketplace in any capacity, your data may be included in this breach.

Threat Actor: Unknown

The threat actor responsible for this breach has not been publicly identified or confirmed at this time.

Reported or suspected access method:
  • Under investigation

Breach Exploitation Status

Threat Activity:
Moderate
Signal
Status
Dark web marketplace listings
Detected
Credential stuffing list overlap
Detected
Phishing campaign relevance
Possible
Ransomware affiliate crossover
Unknown
Law enforcement investigation visibility
Unknown

Data Longevity:
1–3 years

Email addresses and usernames persist but credentials may rotate. Phishing risk remains elevated during this window.

Data Points Exposed

Data observed in the leaked dataset:
Email
Geographic locations
Names
Passwords
Phone numbers
Social media profiles
Not confirmed in dataset:
Social Security Numbers
Payment card data
Passport numbers

Dark Web Verification

Status: Confirmed

  • Dataset containing approximately 77K+ records has been identified in breach intelligence sources.
  • The data is indexed and searchable across breach notification platforms.

Impact

This breach carries moderate risk due to the nature of exposed data fields and the scale of affected records.

Primary downstream threats include:
  • Targeted phishing referencing Facebook Marketplace accounts or services
  • Credential stuffing against accounts sharing the same password
  • SIM-swap attempts where phone numbers are present
  • Data broker enrichment and resale

Recommendations for Impacted Individuals

If you believe your information may be included:

Check Your Exposure
If you are an ObscureIQ client, this breach has been indexed into your exposure profile.
Non-clients may request a breach impact review.
Expect Targeted Phishing
Watch for messages referencing:
Facebook Marketplace account updates
Password reset requests
Verify directly through official channels.
Secure Your Email and MFA
Enable MFA immediately on email first, then financial platforms.
Email compromise is often the first pivot point.
Rotate Reused Passwords
Change any credentials shared with your Facebook Marketplace account across other services.
Monitor Financial Accounts
Monitor accounts associated with your exposed email for unauthorized activity.
Suppress Personal Data
Remove exposed addresses, phone numbers, and enrichment data from broker networks and search engines.

Frequently Asked Questions

What happened in the Facebook Marketplace data breach?

In Oct, 2023, Facebook Marketplace experienced a data breach that resulted in the exposure of approximately 77K+ records containing personal information.

What data was exposed in the Facebook Marketplace breach?

The exposed data includes Email, Geographic locations, Names, Passwords, Phone numbers, Social media profiles.

How many records were affected in the Facebook Marketplace breach?

Approximately 77K+ records were affected based on current breach intelligence.

Is the Facebook Marketplace breach confirmed?

Yes. This breach is treated as confirmed based on data observed in breach intelligence platforms.

Is the Facebook Marketplace breach data being used by criminals?

Data circulation has been detected across breach-sharing channels. Downstream exploitation risk exists based on the nature of the exposed fields.

What should I do if I was affected by the Facebook Marketplace breach?

Rotate passwords associated with Facebook Marketplace, enable multi-factor authentication on email and financial accounts, and monitor for suspicious activity.

Protect Yourself

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High-Risk? Get an Exposure Audit

Executives, public figures, and high-net-worth individuals face elevated risk. Our team provides full-spectrum exposure audits and threat monitoring.

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Corporate Accountability

Organizations that collect personal data have a duty to implement reasonable safeguards and to notify affected individuals when breaches occur.

Scope assessments may evolve as investigations continue. Users should not rely solely on early estimates when making risk decisions.

ObscureIQ Advisory

We combine proprietary dark web access with commercial and restricted breach intelligence to verify exposure and assess real-world risk.

If you are:
  • A public-facing individual
  • A high-profile executive
  • A customer of Facebook Marketplace
  • Or simply concerned about credential reuse

We can confirm whether your information is circulating and evaluate downstream threat vectors.

Services
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Classification Tags

Data Exfiltration
Passwords
Email
Phone