CyberServe Data Breach
Status: Confirmed
Breach Intelligence Summary
Entity: CyberServe · Actor: Unknown · Source: Have I Been Pwned / ObscureIQ intelligence
Attack: Data Exfiltration via Under investigation
Timeline: Breach (Oct, 2021) · Reported (Nov, 2021) · Leak (11/4/21)
Exposure: 1.1M+ records · Dates of birth, Drinking habits, Email, Family structure, Genders, Geographic locations, HIV statuses, IP addresses, Names, Passwords, Personal health data, Phone numbers, Physical attributes, Private messages, Profile photos, Religions, Sexual orientations, Smoking habits, Usernames
Status: Confirmed · Risk: High (Medical identity fraud + Account takeover)
Summary
In October 2021, the Israeli hosting provider CyberServe was breached and ransomed before having a substantial amount of their customer data leaked publicly by a group known as “Black Shadow”. Amongst the data was the LGBTQ dating site Atraf and the Machon Mor medical institute. Due to multiple different sites being compromised the impacted data is broad and ranges from relationship information to medical data to email addresses and passwords stored in plain text. The data was made available to HIBP with support from May Brooks-Kempler founder of the Think Safe Cyber community in Israel. As this breach has been flagged as sensitive it is not publicly searchable. To see the exposure of email addresses in this breach sign in to your dashboard and review results for your email address in the “Breaches” section under “Personal”, or search any domains you control in the “Domains” section under “Business”.
About CyberServe
CyberServe 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 CyberServe 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.
- Under investigation
Breach Exploitation Status
High
Status
Detected
Detected
Detected
Unknown
Unknown
5+ years (high persistence)
Dates of birth are permanent and addresses change slowly. Combined with other fields, this data sustains long-tail targeting risk.
Data Points Exposed
Dark Web Verification
Status: Confirmed
- Dataset containing approximately 1.1M+ records has been identified in breach intelligence sources.
- The data is indexed and searchable across breach notification platforms.
Impact
This breach carries high risk due to the nature of exposed data fields and the scale of affected records.
- Targeted phishing referencing CyberServe accounts or services
- Medical identity fraud and insurance scams
- Credential stuffing against accounts sharing the same password
- SIM-swap attempts where phone numbers are present
- Physical mail scams and address-based identity verification fraud
- Age/DOB used to bypass identity verification questions
- Data broker enrichment and resale
Recommendations for Impacted Individuals
If you believe your information may be included:
Non-clients may request a breach impact review.
CyberServe account updates
Medical billing or insurance notices
Password reset requests
Verify directly through official channels.
Email compromise is often the first pivot point.
Frequently Asked Questions
In Oct, 2021, CyberServe experienced a data breach that resulted in the exposure of approximately 1.1M+ records containing personal information.
The exposed data includes Dates of birth, Drinking habits, Email, Family structure, Genders, Geographic locations, HIV statuses, IP addresses, Names, Passwords, Personal health data, Phone numbers, Physical attributes, Private messages, Profile photos, Religions, Sexual orientations, Smoking habits, Usernames.
Approximately 1.1M+ records were affected based on current breach intelligence.
Yes. This breach is treated as confirmed based on data observed in breach intelligence platforms.
Data circulation has been detected across breach-sharing channels. Downstream exploitation risk exists based on the nature of the exposed fields.
Rotate passwords associated with CyberServe, enable multi-factor authentication on email and financial accounts, and monitor for suspicious activity.
Protect Yourself
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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.
- A public-facing individual
- A high-profile executive
- A customer of CyberServe
- Or simply concerned about credential reuse
We can confirm whether your information is circulating and evaluate downstream threat vectors.